0000950170-24-094732 | 10-Q | XBRL Viewer

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Investments - Schedule of Investments Fair Values and Gross Unrealized Losses (Details) $ in Thousands	Jun. 30, 2024 USD ($)
Less than 12 months, fair value	$ 90,674
Less than 12 months, unrealized loss	(137)
12 months or greater, fair value	0
12 months or greater, unrealized loss	0
Total, fair value	90,674
Total, unrealized loss	(137)
Time Deposits [Member]
Less than 12 months, fair value	3,990
Less than 12 months, unrealized loss	(2)
12 months or greater, fair value	0
12 months or greater, unrealized loss	0
Total, fair value	3,990
Total, unrealized loss	(2)
Commercial Paper [Member]
Less than 12 months, fair value	9,526
Less than 12 months, unrealized loss	(5)
12 months or greater, fair value	0
12 months or greater, unrealized loss	0
Total, fair value	9,526
Total, unrealized loss	(5)
Asset Backed Securities [Member]
Less than 12 months, fair value	1,704
Less than 12 months, unrealized loss	(1)
12 months or greater, fair value	0
12 months or greater, unrealized loss	0
Total, fair value	1,704
Total, unrealized loss	(1)
Government Bonds [Member]
Less than 12 months, fair value	26,868
Less than 12 months, unrealized loss	(41)
12 months or greater, fair value	0
12 months or greater, unrealized loss	0
Total, fair value	26,868
Total, unrealized loss	(41)
Corporate Debt Securities [Member]
Less than 12 months, fair value	48,586
Less than 12 months, unrealized loss	(88)
12 months or greater, fair value	0
12 months or greater, unrealized loss	0
Total, fair value	48,586
Total, unrealized loss	$ (88)

Net Loss per Share

6 Months Ended

Jun. 30, 2024

Earnings Per Share [Abstract]

Net Loss per Share

Note 9: Net Loss per Share

Basic net loss per share is calculated by dividing net loss attributable to Class A ordinary shareholders by the weighted-average shares of Class A ordinary shares outstanding without the consideration for potential dilutive securities. Diluted net loss per share

represents basic net loss per share adjusted to include the effects of all potentially dilutive shares. Diluted net loss per share is the same as basic loss per share for all periods as the inclusion of potentially issuable shares would be antidilutive.

The following table sets forth the computation of basic and diluted net loss per share for the three months ended June 30, 2024 and 2023 (in thousands, except share and per share amounts):


	Three Months Ended June 30,						For the Six Months Ended June 30,
	2024			2023			2024			2023
Numerator
Net loss	$	(38,466	)	$	(34,823	)	$	(73,799	)	$	(71,732	)
Less: Net loss attributable to noncontrolling interests		(25,960	)		(25,705	)		(51,801	)		(52,949	)
Net loss available to Class A ordinary shareholders of ProKidney Corp., basic and diluted	$	(12,506	)	$	(9,118	)	$	(21,998	)	$	(18,783	)

Denominator
Weighted average Class A ordinary shares or ProKidney Corp. outstanding, basic and diluted		75,908,017			64,562,209			68,429,869			64,551,281

Net loss per Class A ordinary share
Net loss per Class A ordinary share of ProKidney Corp., basic and diluted	$	(0.16	)	$	(0.14	)	$	(0.32	)	$	(0.29	)

Outstanding anti-dilutive securities not included in the diluted net loss per share calculation include the following:


	As of June 30,
	2024		2023
Antidilutive securities
ProKidney Corp. Class B ordinary shares		163,817,953		173,663,427
Unvested Restricted Stock Rights		2,188,728		5,952,288
Earnout Rights		17,500,000		17,500,000
Stock options granted under the 2022 Equity Incentive Plan		21,916,121		15,718,932

Equity Based Compensation - Summary of Stock Option Awards Granted, Activity (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2023 shares	Jun. 30, 2024 $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares, Options Outstanding, Ending Balance	15,718,932	21,916,121
Time-Vested Awards [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares, Options Outstanding, Beginning Balance		14,680,109
Number of Shares, Granted		7,832,922
Number of Shares, Exercised		(281)
Number of Shares, Forfeited		(2,102,879)
Number of Shares, Options Outstanding, Ending Balance		20,409,871
Number of Shares, Options Exercisable		3,150,017
Weighted Average Remaining Contractual Life		9 years
Number of Shares, Options Vested and Expected to Vest		20,409,871
Weighted Average Remaining Contractual Life		8 years 2 months 12 days
Weighted Average Exercise Price, Options Outstanding, Beginnig Balance \| $ / shares		$ 7.83
Weighted Average Exercise Price, Granted \| $ / shares		1.84
Weighted Average Exercise Price, Exercised \| $ / shares		1.61
Weighted Average Exercise Price, Forfeited \| $ / shares		5.22
Weighted Average Exercise Price, Options Outstanding, Ending Balance \| $ / shares		5.53
Weighted Average Exercise Price, Options Exercisable \| $ / shares		9.12
Weighted Average Exercise Price, Options Vested and Expected to Vest \| $ / shares		$ 5.53

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Pay vs Performance Disclosure
Net Income (Loss)	$ (12,506)	$ (9,118)	$ (21,998)	$ (18,783)

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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+ Details

Investments - Schedule of Maturity for Marketable Securities (Details) $ in Thousands	Jun. 30, 2024 USD ($)
Investments [Abstract]
Due in 1 year or less	$ 215,231
Due in 1 year through 5 years	21,036
Total	$ 236,267

Equity Based Compensation - Summary of Compensation Expense Related to Share-Based Awards (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total equity-based compensation expense	$ 7,808	$ 11,202	$ 15,489	$ 24,222
Time-Vested Stock Options [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total equity-based compensation expense	5,575	4,665	10,755	11,595
Performance-Based Awards [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total equity-based compensation expense	310	0	569	0
Market-Vested Stock Options [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total equity-based compensation expense	0	2,794	0	5,558
Legacy Profits Interests [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total equity-based compensation expense	1,923	3,743	4,165	7,069
Research and Development [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total equity-based compensation expense	3,402	3,284	6,633	8,443
General and Administrative [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total equity-based compensation expense	$ 4,406	$ 7,918	$ 8,856	$ 15,779

Leases (Tables)

6 Months Ended

Jun. 30, 2024

Leases [Abstract]

Schedule of Classification of Operating and Finance Lease Assets and Obligations

The following table summarizes the classification of operating and finance lease assets and obligations in the Company's Condensed Consolidated Balance Sheets as of June 30, 2024 and December 31, 2023 (in thousands):


	June 30, 2024		December 31, 2023
Operating leases:
Right of use assets	$	6,212	$	4,116

Operating lease liabilities, current	$	988	$	751
Operating lease liabilities, noncurrent		5,554		3,506
Total operating lease liabilities	$	6,542	$	4,257

Finance leases:
Right of use assets	$	122	$	147

Finance lease liabilities, current	$	44	$	52
Finance lease liabilities, noncurrent		86		104
Total finance lease liabilities	$	130	$	156

Schedule of Maturities of Lease Liabilities

Maturities of lease liabilities for the Company’s operating and finance leases are as follows as of June 30, 2024 (in thousands):


	Operating Leases			Finance Leases			Total
2024 (remaining six months)	$	800		$	31		$	831
2025		1,681			32			1,713
2026		1,841			22			1,863
2027		1,725			22			1,747
2028		1,361			22			1,383
Thereafter		1,279			22			1,301
Total lease payments		8,687			151			8,838
Less: imputed interest		(2,145	)		(21	)		(2,166	)
Present value of lease liabilities	$	6,542		$	130		$	6,672

Net Loss per Share (Tables)

6 Months Ended

Jun. 30, 2024

Earnings Per Share [Abstract]

Schedule of computation of basic and diluted net loss per share

The following table sets forth the computation of basic and diluted net loss per share for the three months ended June 30, 2024 and 2023 (in thousands, except share and per share amounts):


	Three Months Ended June 30,						For the Six Months Ended June 30,
	2024			2023			2024			2023
Numerator
Net loss	$	(38,466	)	$	(34,823	)	$	(73,799	)	$	(71,732	)
Less: Net loss attributable to noncontrolling interests		(25,960	)		(25,705	)		(51,801	)		(52,949	)
Net loss available to Class A ordinary shareholders of ProKidney Corp., basic and diluted	$	(12,506	)	$	(9,118	)	$	(21,998	)	$	(18,783	)

Denominator
Weighted average Class A ordinary shares or ProKidney Corp. outstanding, basic and diluted		75,908,017			64,562,209			68,429,869			64,551,281

Net loss per Class A ordinary share
Net loss per Class A ordinary share of ProKidney Corp., basic and diluted	$	(0.16	)	$	(0.14	)	$	(0.32	)	$	(0.29	)

Outstanding anti-dilutive securities not included in the diluted net loss per share calculation include the following:


	As of June 30,
	2024		2023
Antidilutive securities
ProKidney Corp. Class B ordinary shares		163,817,953		173,663,427
Unvested Restricted Stock Rights		2,188,728		5,952,288
Earnout Rights		17,500,000		17,500,000
Stock options granted under the 2022 Equity Incentive Plan		21,916,121		15,718,932

Leases - Schedule of Classification of Operating and Finance Lease Assets and Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Operating leases:
Right of use assets	$ 6,212	$ 4,116
Operating lease liabilities, current	988	751
Operating lease liabilities, noncurrent	5,554	3,506
Total operating lease liabilities	6,542	4,257
Finance leases:
Right of use assets	122	147
Finance lease liabilities, current	44	52
Finance lease liabilities, noncurrent	86	104
Total finance lease liabilities	$ 130	$ 156

Shareholders' Equity (Additional Information) (Details) - USD ($)	1 Months Ended		3 Months Ended	6 Months Ended
	Jun. 30, 2024	Jan. 31, 2024	Jun. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Net proceeds from sale of stock	$ 136,618,000
Common Class A [Member]
Class of Stock [Line Items]
Common stock, par value	$ 0.0001		$ 0.0001	$ 0.0001	$ 0.0001
Class A Ordinary Shares [Member]
Class of Stock [Line Items]
Number of Shares Sold	46,886,452
Sale of stock price per share	$ 2.42		$ 2.42	$ 2.42
Class A Ordinary Shares [Member] \| Sales Agreement with Jefferies LLC [Member]
Class of Stock [Line Items]
Number of Shares Sold			2,301,900	2,301,900
Aggregate Offering Price		$ 100,000,000
Net proceeds from sale of stock			$ 3,238,000	$ 3,238,000
Class A Ordinary Shares [Member] \| Purchase Agreement [Member]
Class of Stock [Line Items]
Number of Shares Sold	11,030,574
Sale of stock price per share	$ 2.42		$ 2.42	$ 2.42

Condensed Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities
Net loss before noncontrolling interest	$ (73,799)	$ (71,732)
Adjustments to reconcile net loss before noncontrolling interest to net cash flows used in operating activities:
Depreciation and amortization	2,372	1,702
Equity-based compensation	15,489	24,222
Gain on marketable securities, net	(3,802)	(1,981)
Loss on disposal of equipment	131	3
Changes in operating assets and liabilities:
Interest receivable	(1,373)	(8,090)
Prepaid and other assets	(6,162)	2,256
Accounts payable and accrued expenses	(5,838)	12,430
Income taxes payable	43	282
Net cash flows used in operating activities	(72,939)	(40,908)
Cash flows from investing activities
Purchases of marketable securities	(82,880)	(261,847)
Sales and maturities of marketable securities	171,445	60,768
Purchase of equipment and facility expansion	(1,596)	(4,686)
Net cash flows provided by (used in) investing activities	86,969	(205,765)
Cash flows from financing activities
Proceeds from sales of Class A ordinary shares, net of offering costs	139,855	0
Payments on finance leases	(26)	(26)
Net cash flows provided by (used in) financing activities	139,829	(26)
Net change in cash and cash equivalents	153,859	(246,699)
Cash, beginning of period	60,649	490,252
Cash, end of period	214,508	243,553
Supplemental disclosure of non-cash investing and financing activities:
Right of use assets obtained in exchange for lease obligations	2,621	714
Exchange of Class B ordinary shares	14,902	0
Impact of equity transactions and compensation on redeemable noncontrolling interest	16,708	380
Change in redemption value of noncontrolling interest	0	230,209
Equipment and facility expansion included in accounts payable and accrued expenses	$ 780	$ 689

Significant Accounting Policies - Summary of Fixed Assets (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Less: accumulated depreciation	$ (9,399)	$ (7,642)
Total fixed assets, net	42,567	42,143
Land
Property, Plant and Equipment [Line Items]
Fixed Assets Gross	3,067	3,067
Buildings
Property, Plant and Equipment [Line Items]
Fixed Assets Gross	$ 22,490	22,490
Buildings \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	30 years
Buildings \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	25 years
Computer equipment and software
Property, Plant and Equipment [Line Items]
Fixed Assets Gross	$ 904	847
Computer equipment and software \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Computer equipment and software \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Furniture and equipment
Property, Plant and Equipment [Line Items]
Fixed Assets Gross	$ 5,344	3,690
Furniture and equipment \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	7 years
Furniture and equipment \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Estimated Useful Lives	remainder of lease term
Fixed Assets Gross	$ 18,967	10,950
Construction in progress
Property, Plant and Equipment [Line Items]
Construction in progress	$ 1,194	$ 8,741

Equity Based Compensation - Summary of Performance-Based Stock Option Activity (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2023 shares	Jun. 30, 2024 $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares, Options Outstanding, Ending Balance	15,718,932	21,916,121
Performance-Based Awards [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares, Options Outstanding, Beginning Balance		1,000,000
Number of Shares, Granted		506,250
Number of Shares, Options Outstanding, Ending Balance		1,506,250
Number of Shares, Options Exercisable		0
Number of Shares, Options Vested and Expected to Vest		1,506,250
Weighted Average Remaining Contractual Life		9 years 6 months
Weighted Average Exercise Price, Options Outstanding, Beginnig Balance \| $ / shares		$ 1.69
Weighted Average Exercise Price, Granted \| $ / shares		1.27
Weighted Average Exercise Price, Options Outstanding, Ending Balance \| $ / shares		1.55
Weighted Average Exercise Price, Options Exercisable \| $ / shares		0
Weighted Average Exercise Price, Options Vested and Expected to Vest \| $ / shares		$ 1.55

Related Party Transactions - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Jan. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Related Party Transaction [Line Items]
Shares Unlocked Percentage	50.00%
Vesting Period of Earnout Rights				5 years
Lock Up Agreement [Member]
Related Party Transaction [Line Items]
Description Of Terms Earnout Shares				A ordinary share of the Company equals or exceeds $12.50 per share for any 20 trading days within any 30-trading day period commencing at least 30 days after the Closing and (b) for an additional 50% of the Lock-Up Shares (other than the Earnout Shares and the Private Placement Shares (as each such term is defined in the Lock-Up Agreement)), the date on which the last reported sale price of a Class A ordinary share of the Company equals or exceeds $15.00 per share for any 20 trading days within any 30-trading day period commencing at least 30 days after the Closing. Notwithstanding the above, (i) the lock-up period for any Earnout Shares will expire not earlier than 180 days after such Earnout Shares are issued
Tax Receivable Agreement [Member]
Related Party Transaction [Line Items]
Percentage of tax saving recognized				85.00%
ProKidney KY and Nefro Health [Member]
Related Party Transaction [Line Items]
Quarterly Related Party Fee				$ 25,000
Costs And Expenses Related Party		$ 25,000	$ 25,000	50,000	$ 50,000
ProKidney US and Nefro Health [Member]
Related Party Transaction [Line Items]
Quarterly Related Party Fee				25,000
Nefro consulting service		$ 25,000	$ 25,000	$ 50,000	$ 50,000
Vesting [Member] \| Tranche one [Member]
Related Party Transaction [Line Items]
Earnout Rights Stock Price Trigger		$ 15		$ 15
Vesting [Member] \| Tranche two [Member]
Related Party Transaction [Line Items]
Earnout Rights Stock Price Trigger		20		20
Vesting [Member] \| Tranche three [Member]
Related Party Transaction [Line Items]
Earnout Rights Stock Price Trigger		$ 25		$ 25
RCU [Member]
Related Party Transaction [Line Items]
Earnout Restricted Common Units Issued				17,500,000
RSR [Member]
Related Party Transaction [Line Items]
Earnout restricted stock right shares				17,500,000

Cover Page - shares	6 Months Ended
Cover Page - shares	Jun. 30, 2024	Aug. 09, 2024
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q2
Entity Registrant Name	ProKidney Corp.
Entity Central Index Key	0001850270
Securities Act File Number	001-40560
Entity Tax Identification Number	98-1586514
Entity Incorporation, State or Country Code	E9
Entity Address, Address Line One	2000 Frontis Plaza Blvd.
Entity Address, Address Line Two	Suite 250
Entity Address, City or Town	Winston-Salem
Entity Address, State or Province	NC
Entity Address, Postal Zip Code	27103
City Area Code	336
Local Phone Number	999-7019
Document Quarterly Report	true
Document Transition Report	false
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Shell Company	false
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Title of 12(b) Security	Class A ordinary shares, $0.0001 par value per share
Trading Symbol	PROK
Security Exchange Name	NASDAQ
Common Class A [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		126,051,383
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		163,623,834

Condensed Consolidated Statements of Operations - Unaudited - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating expenses
Research and development	$ 29,404	$ 26,364	$ 56,637	$ 51,981
General and administrative	13,652	13,455	26,495	28,714
Total operating expenses	43,056	39,819	83,132	80,695
Operating loss	(43,056)	(39,819)	(83,132)	(80,695)
Interest income	4,537	5,965	9,380	11,262
Interest expense	(3)	(4)	(5)	(7)
Net loss before income taxes	(38,522)	(33,858)	(73,757)	(69,440)
Income tax (benefit) expense	(56)	965	42	2,292
Net loss before noncontrolling interest	(38,466)	(34,823)	(73,799)	(71,732)
Net loss attributable to noncontrolling interest	(25,960)	(25,705)	(51,801)	(52,949)
Net loss available to Class A ordinary shareholders	(12,506)	(9,118)	(21,998)	(18,783)
Common Class A [Member]
Operating expenses
Net loss available to Class A ordinary shareholders	$ (12,506)	$ (9,118)	$ (21,998)	$ (18,783)
Weighted Average Number of Shares Outstanding, Basic	75,908,017	64,562,209	68,429,869	64,551,281
Weighted Average Number Of Shares Outstanding, Diluted	75,908,017	64,562,209	68,429,869	64,551,281
Net loss per share attributable to Class A ordinary shares, Basic	$ (0.16)	$ (0.14)	$ (0.32)	$ (0.29)
Net loss per share attributable to Class A ordinary shares, Diluted	$ (0.16)	$ (0.14)	$ (0.32)	$ (0.29)

Description of Business and Basis of Presentation

6 Months Ended

Jun. 30, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of Business and Basis of Presentation

Note 1: Description of Business and Basis of Presentation

Description of Business

ProKidney Corp. (the “Company” or “ProKidney”) was originally incorporated as Social Capital Suvretta Holdings Corp. III (“SCS”). SCS was a blank check company incorporated as a Cayman Islands exempted company on February 25, 2021. SCS was incorporated for the purpose of effecting a merger, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses.

On January 18, 2022, SCS executed a definitive business combination agreement (the “Business Combination Agreement”), with ProKidney LP (“PKLP”), a limited partnership under the laws and regulations of Ireland. Pursuant to the terms of the Business Combination Agreement, PKLP became a subsidiary of SCS and was organized in an umbrella partnership corporation (“Up-C”) structure, which would provide potential future tax benefits for SCS when the equity holders ultimately exchanged their pass-through interests for Class A ordinary shares. The business combination between SCS and PKLP (the “Business Combination”) closed (the “Closing”) on July 11, 2022 (the “Closing Date”). Upon consummation of the transaction, SCS changed its name to ProKidney Corp.

The Business Combination was accounted for as a reverse recapitalization transaction between entities under common control, through which PKLP was considered the accounting acquiror and predecessor entity. The Business Combination was reflected as the equivalent of PKLP issuing stock for the net assets of SCS accompanied by a recapitalization with no goodwill or intangible assets recognized.

ProKidney Corp., through its operating subsidiaries, ProKidney, which is incorporated under the Cayman Islands Companies Act (as amended) as an exempted company (“ProKidney-KY”) and ProKidney LLC, a limited liability company under the laws of Delaware (“ProKidney-US”) is focused on the development of rilparencel, which has the potential to preserve kidney function in patients with chronic kidney disease or delay or eliminate the need for dialysis and organ transplantation.

Principles of Consolidation

ProKidney is a holding company, and its principal asset is a controlling equity interest in PKLP and its wholly-owned operating subsidiaries ProKidney-KY and ProKidney-US. The Company has determined that PKLP is a variable-interest entity for accounting purposes and that ProKidney is the primary beneficiary of PKLP because (through its managing member interest in PKLP and the fact that the senior management of ProKidney is also the senior management of PKLP) it has the power and benefits to direct all of the activities of PKLP, which include those that most significantly impact PKLP’s economic performance. The Company has therefore consolidated PKLP’s results pursuant to Accounting Standards Codification Topic 810, “Consolidation” in its Condensed Consolidated Financial Statements. As of June 30, 2024, various holders own non-voting interests in PKLP, representing a 56.6% economic interest in PKLP, effectively restricting ProKidney’s interest to 43.4% of PKLP’s economic results, subject to increase in the future, should ProKidney purchase additional non-voting common units (“PKLP Units”) of PKLP, or should the holders of PKLP Units decide to exchange such units (together with shares of Class B ordinary shares) for Class A ordinary shares (or cash) pursuant to the Exchange Agreement (as defined in Note 6). The Company will not be required to provide financial or other support for PKLP. However, ProKidney will control its business and other activities through its managing member interest in PKLP, and its management is the management of PKLP. Nevertheless, because ProKidney will have no material assets other than its interests in PKLP and its subsidiaries, any financial difficulties at PKLP could result in ProKidney recognizing a loss.

All intercompany transactions and balances have been eliminated.

Investments (Tables)

6 Months Ended

Jun. 30, 2024

Investments [Abstract]

Schedule of Cash, Cash Equivalents and Marketable Securities

The following tables summarize our cash equivalents and marketable securities measured at fair value on a recurring basis as of June 30, 2024 (in thousands):


	Fair Value Hierarchy	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash Equivalents		Marketable Securities
Money market funds	Level 2	$	2,321	$	–	$	–		$	2,321	$	2,321	$	–
Time deposits	Level 2		29,609		15		(2	)		29,622		–		29,622
Commercial paper	Level 2		40,866		21		(5	)		40,882		–		40,882
Asset backed securities	Level 2		2,635		1		(1	)		2,635		–		2,635
Government bonds	Level 2		37,835		–		(41	)		37,794		16,923		20,871
Corporate debt securities	Level 2		123,017		84		(88	)		123,013		–		123,013
Total		$	236,283	$	121	$	(137	)	$	236,267	$	19,244	$	217,023

Summary of Scheduled Maturity for Marketable Securities

The following table shows the fair value of the Company’s cash equivalents and marketable securities, by contractual maturity, as of June 30, 2024 (in thousands):


	June 30, 2024
Due in 1 year or less	$	215,231
Due in 1 year through 5 years		21,036
Total	$	236,267

Schedule of Investments Fair Values and Gross Unrealized Losses

The following table shows fair values and gross unrealized losses recorded to accumulated other comprehensive income, aggregated by category and the length of time that individual securities have been in a continuous loss position as of June 30, 2024 (in thousands):


	Less than 12 months					12 Months or Greater				Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Time deposits	$	3,990	$	(2	)	$	–	$	–	$	3,990	$	(2	)
Commercial paper		9,526		(5	)		–		–		9,526		(5	)
Asset backed securities		1,704		(1	)		–		–		1,704		(1	)
Government bonds		26,868		(41	)		–		–		26,868		(41	)
Corporate debt securities		48,586		(88	)		–		–		48,586		(88	)
Total	$	90,674	$	(137	)	$	–	$	–	$	90,674	$	(137	)

Significant Accounting Policies - Summary of Accrued expense (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Accounting Policies [Abstract]
Compensation	$ 5,981	$ 5,237
Severance	1,146	2,283
Clinical study related costs	1,914	1,658
Facility related costs	1,492	693
Accrued legal costs	1,503	1,015
Manufacturing improvement costs	72	4,365
Accrued consulting and professional fees	842	878
Other accrued expenses	2,159	1,536
Total accrued expenses and other	$ 15,109	$ 17,665

Equity Based Compensation - Summary of Assumptions of the Valuation in Stock Option Activity (Details)	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected volatility, minimum	82.90%	81.50%
Expected volatility, maximum	84.90%	83.50%
Risk-free interest rate, minimum	3.80%	3.50%
Risk-free interest rate, maximum	4.60%	4.20%
Expected dividend yield	0.00%	0.00%
Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected life of options, in years	5 years 6 months	5 years 6 months
Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected life of options, in years	6 years 1 month 6 days	6 years 1 month 6 days

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Investments (Additional Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Marketable Debt Securities [Member]
Allowance for credit losses for investments	$ 0	$ 0	$ 0	$ 0

Leases - Schedule of Maturities of Lease Liabilities for the Company's Operating and Finance Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Operating Leases
2024 (remaining six months)	$ 800
2025	1,681
2026	1,841
2027	1,725
2028	1,361
Thereafter	1,279
Total lease payments	8,687
Less: imputed interest	(2,145)
Present value of lease liabilities	6,542	$ 4,257
Finance Leases
2024 (remaining six months)	31
2025	32
2026	22
2027	22
2028	22
Thereafter	22
Total lease payments	151
Less: imputed interest	(21)
Present value of lease liabilities	130	$ 156
Total
2024 (remaining six months)	831
2025	1,713
2026	1,863
2027	1,747
2028	1,383
Thereafter	1,301
Total lease payments	8,838
Less: imputed interest	(2,166)
Present value of lease liabilities	$ 6,672

Equity Based Compensation (Additional Information) (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Equity-based compensation	$ 6,436,000		$ 8,440,000		$ 12,475,000	$ 19,003,000
Number of shares, options outstanding	21,916,121		15,718,932		21,916,121	15,718,932
Unrecognized compensation expense remaining period					1 year 4 months 24 days
Additional compensation expense					$ 3,011,000
Limited Partnership Agreement [Member]
Profits interest vesting description					Profits Interests awarded would vest at a rate of 25% on the latter of the first anniversary of employment and the first anniversary of the Acquisition Date with the remaining 75% to vest in increments of 25% on each anniversary following the first anniversary date, ratably over a three or four-year period from the date of grant, in annual installments of 33.3% over the three-year period from the date of grant, in increments of 6.25% each calendar quarter following the first anniversary date, or were fully vested upon issuance.
Time Vested Awards [Member]
Unrecognized stock-based compensation expense	$ 52,675,000				$ 52,675,000
Weighted average period	2 years 10 months 24 days				2 years 10 months 24 days
Weighted average grant date fair value					$ 1.33	$ 6.7
Aggregate intrinsic value, outstanding	$ 8,883,000				$ 8,883,000
Aggergate intrinsic value, exercisable	$ 304,000				$ 304,000
Number of shares granted					7,832,922
Number of shares, options outstanding	20,409,871				20,409,871		14,680,109
Performance-Based Awards [Member]
Unrecognized stock-based compensation expense	$ 1,069,000				$ 1,069,000
Weighted average period	1 year 2 months 12 days				1 year 2 months 12 days
Number of shares granted					506,250
Number of shares, options outstanding	1,506,250				1,506,250		1,000,000
Market-Vested Awards [Member]
Number of shares granted	0		0		0	0
Number of shares, options outstanding	0				0
Profits Interest awards [Member]
Number of shares granted		0		0
Unrecognized compensation expense	$ 11,526,000				$ 11,526,000

Income Taxes

6 Months Ended

Jun. 30, 2024

Income Tax Disclosure [Abstract]

Income Taxes

Note 4: Income Taxes

ProKidney is considered to be an exempted Cayman Islands company and is presently not subject to income taxes or income tax filing requirements in the Cayman Islands or the United States.

The Company’s subsidiary, PKLP, is organized as a limited partnership and is classified as a partnership for U.S. income tax purposes, and as such, only records a provision for federal and state income taxes on its subsidiaries organized as C corporations or which have elected to be treated as corporations for U.S. federal income tax purposes.

The Company’s subsidiary, ProKidney-US, is treated as a C corporation, and therefore a provision for federal and state taxes has been recorded. The difference between the Company’s effective tax rates and the U.S. statutory rate of 21% is primarily attributable to PKLP and ProKidney-KY being treated as partnerships for income tax purposes.

The Company’s subsidiary, ProKidney-KY, has been granted, by the Government in Council of the Cayman Islands, tax concessions under an undertaking certificate exempting it from any tax levied on profits, income, gains or appreciations in relation to its operations or in the nature of estate duty or inheritance tax for a period of twenty years from January 20, 2016. ProKidney-KY elected to be treated as an entity disregarded from its owner for U.S. tax purposes, and as a result, it has not recorded an income tax provision.

As discussed in Note 6, the Company is party to a tax receivable agreement with a related party which provides for the payment by the Company to holders of PKLP prior to the Closing (“Closing ProKidney Unitholders”) of 85% of the amount of cash savings, if any, in U.S. federal, state and local income tax or franchise tax that the Company actually realizes (or, in some circumstances, the Company is deemed to realize) as a result of certain transactions. As no transactions have occurred which would trigger a liability under this agreement, the Company has not recognized any liability related to this agreement as of June 30, 2024.

In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some portion of the deferred tax assets will be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences become deductible. Management considers the scheduled reversal of deferred tax liabilities, available taxes in the carryback periods, projected future taxable income and tax planning strategies in making this assessment.

There were no net unrecognized tax benefits as of June 30, 2024 which, if recognized, would affect our effective tax rate. We expect none of the gross unrecognized tax benefits will decrease within the next year.

There were no significant changes in the Company’s uncertain tax positions during the three and six months ended June 30, 2024 and 2023.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480990/946-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//740/tableOfContent

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-14

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 21
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-21

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 270
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482526/740-270-50-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 17
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-17

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I.5.Q1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479360/740-10-S99-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 11.C)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479360/740-10-S99-2

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482603/740-30-50-2

+ Details

Condensed Consolidated Statements of Changes in Redeemable Noncontrolling Interest and Shareholders' Deficit - Unaudited - USD ($) $ in Thousands	Total	Redeemable Noncontrolling Interest [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]	Common Class A [Member]	Class A Ordinary Shares [Member] Common Stock [Member]	Class B Ordinary Shares [Member] Common Stock [Member]
Beginning balance at Dec. 31, 2022	$ (1,096,616)	$ 1,601,555	$ 7,476		$ (1,104,116)		$ 6	$ 18
Beginning balance, shares at Dec. 31, 2022							61,540,231	171,578,320
Equity-based compensation	19,003	5,219	19,003
Issuance of Class A ordinary shares, net of offering costs, Shares							50,000
Vesting of Class B restricted stock rights, shares								2,085,107
Exchange of Class B ordinary shares for Class A ordinary shares	0
Impact of equity transactions on redeemable noncontrolling interest	4,478	(4,478)	4,478
Unrealized income on marketable securities	(127)	(358)		$ (127)
Net loss and comprehensive loss attributable to noncontrolling interest	52,949	(52,949)
Net Income (Loss)	(18,783)				(18,783)	$ (18,783)
Change in redemption value of noncontrolling interest	(230,209)	230,209			(230,209)
Ending balance at Jun. 30, 2023	(1,322,254)	1,779,198	30,957	(127)	(1,353,108)		$ 6	$ 18
Ending balance, shares at Jun. 30, 2023							61,590,231	173,663,427
Beginning balance at Mar. 31, 2023	(1,601,510)	2,082,488	21,792	(19)	(1,623,307)		$ 6	$ 18
Beginning balance, shares at Mar. 31, 2023							61,540,231	173,444,861
Equity-based compensation	8,440	2,762	8,440
Issuance of Class A ordinary shares, net of offering costs, Shares							50,000
Vesting of Class B restricted stock rights, shares								218,566
Impact of equity transactions on redeemable noncontrolling interest	725	(725)	725
Unrealized income on marketable securities	(108)	(305)		(108)
Net loss and comprehensive loss attributable to noncontrolling interest	25,705	(25,705)
Net Income (Loss)	(9,118)				(9,118)	(9,118)
Change in redemption value of noncontrolling interest	279,317	(279,317)			279,317
Ending balance at Jun. 30, 2023	(1,322,254)	1,779,198	30,957	(127)	(1,353,108)		$ 6	$ 18
Ending balance, shares at Jun. 30, 2023							61,590,231	173,663,427
Beginning balance at Dec. 31, 2023	(1,103,396)	1,494,732	36,114	130	(1,139,663)		$ 6	$ 17
Beginning balance, shares at Dec. 31, 2023							59,880,347	168,297,916
Equity-based compensation	12,475	3,014	12,475
Issuance of Class A ordinary shares, net of offering costs, Shares							60,218,926
Issuance of Class A ordinary shares, net of offering costs	139,855		139,849				$ 6
Vesting of Class B restricted stock rights, shares								1,277,360
Exchange of Class B ordinary shares for Class A ordinary shares	14,902	(14,902)	14,902				$ 1	$ (1)
Exercise of stock options, Shares							281
Exchange of Class B ordinary shares for Class A ordinary shares, shares							5,757,323	(5,757,323)
Impact of equity transactions on redeemable noncontrolling interest	(14,073)	14,073	(14,073)
Unrealized income on marketable securities	(136)	(379)		(136)
Net loss and comprehensive loss attributable to noncontrolling interest	51,801	(51,801)
Net Income (Loss)	(21,998)				(21,998)	(21,998)
Change in redemption value of noncontrolling interest	0
Ending balance at Jun. 30, 2024	(972,371)	1,444,737	189,267	(6)	(1,161,661)		$ 13	$ 16
Ending balance, shares at Jun. 30, 2024							125,856,877	163,817,953
Beginning balance at Mar. 31, 2024	(1,096,062)	1,459,097	53,114	(44)	(1,149,155)		$ 6	$ 17
Beginning balance, shares at Mar. 31, 2024							61,621,330	167,723,553
Equity-based compensation	6,436	1,374	6,436
Issuance of Class A ordinary shares, net of offering costs, Shares							60,218,926
Issuance of Class A ordinary shares, net of offering costs	139,855		139,849				$ 6
Vesting of Class B restricted stock rights, shares								110,740
Exchange of Class B ordinary shares for Class A ordinary shares	12,613	(12,613)	12,613				$ 1	$ (1)
Exercise of stock options, Shares							281
Exchange of Class B ordinary shares for Class A ordinary shares, shares							4,016,340	(4,016,340)
Impact of equity transactions on redeemable noncontrolling interest	(22,745)	22,745	(22,745)
Unrealized income on marketable securities	38	94		38
Net loss and comprehensive loss attributable to noncontrolling interest	25,960	(25,960)
Net Income (Loss)	(12,506)				(12,506)	$ (12,506)
Ending balance at Jun. 30, 2024	$ (972,371)	$ 1,444,737	$ 189,267	$ (6)	$ (1,161,661)		$ 13	$ 16
Ending balance, shares at Jun. 30, 2024							125,856,877	163,817,953

Income Taxes (Additional Information) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Tax Disclosure [Abstract]
Cash Saving Percentage			85.00%
Effective Income Tax Rate			21.00%
Unrecognized tax benefits	$ 0		$ 0
Uncertain tax positions	$ 0	$ 0	$ 0	$ 0

Equity Based Compensation (Tables)

6 Months Ended

Jun. 30, 2024

Share-Based Payment Arrangement [Abstract]

Summary of Assumptions of the Valuation in Stock Option Activity

The fair value of stock options granted was estimated using the following assumptions during the six months ended June 30, 2024:


	Six Months Ended June 30,
	2024	2023
Expected volatility	82.9% - 84.9%	81.5% - 83.5%
Expected life of options, in years	5.5 - 6.1	5.5 - 6.1
Risk-free interest rate	3.8% - 4.6%	3.5% - 4.2%
Expected dividend yield	0.0%	0.0%

Summary of Stock Option Awards Granted, Activity

The following table summarizes the activity related to the Company’s time-vested stock option awards granted under the 2022 Plan for the six months ended June 30, 2024:


	Number of Shares			Weighted Average Exercise Price
Time-vested options outstanding at January 1, 2024		14,680,109		$	7.83
Granted		7,832,922			1.84
Exercised		(281	)		1.61
Forfeited		(2,102,879	)		5.22
Time-vested options outstanding at June 30, 2024		20,409,871		$	5.53
Time-vested options exercisable at June 30, 2024		3,150,017		$	9.12
Weighted average remaining contractual life	8.2 years
Time-vested options vested and expected to vest at June 30, 2024		20,409,871		$	5.53
Weighted average remaining contractual life	9.0 years

Summary of Performance-Based Stock Option Activity

The following table summarizes the activity related to the Company’s performance-based stock option awards granted under the 2022 Plan for the six months ended June 30, 2024:


	Number of Shares		Weighted Average Exercise Price
Performance-based options outstanding at January 1, 2024		1,000,000	$	1.69
Granted		506,250		1.27
Performance-based options outstanding at June 30, 2024		1,506,250	$	1.55
Performance-based options exercisable at June 30, 2024		—	$	—
Performance-based options vested and expected to vest at June 30, 2024		1,506,250	$	1.55
Weighted average remaining contractual life	9.5 years

Summary of Profits Interest awards, Activity

The following table summarizes the activity related to the Profits Interest awards for the six months ended June 30, 2024:


	Number of Shares			Weighted Average Grant Date Fair Value
Unvested awards outstanding at January 1, 2024		3,565,753		$	7.23
Vested		(1,218,775	)		7.43
Forfeited		(158,250	)		7.43
Unvested awards outstanding at June 30, 2024		2,188,728		$	7.05

Summary of Compensation Expense Related to Share-Based Awards

Compensation expense related to equity-based awards is included in research and development and general and administrative expense as follows (in thousands):


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Research and development	$	3,402	$	3,284	$	6,633	$	8,443
General and administrative		4,406		7,918		8,856		15,779
Total equity-based compensation expense	$	7,808	$	11,202	$	15,489	$	24,222

The following table summarizes our equity based compensation by type of award (in thousands):


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Time-vested stock options	$	5,575	$	4,665	$	10,755	$	11,595
Performance-based stock options		310		–		569		–
Market-vested stock options		–		2,794		–		5,558
Legacy profits interests		1,923		3,743		4,165		7,069
Total equity-based compensation expense	$	7,808	$	11,202	$	15,489	$	24,222

Redeemable Noncontrolling Interest (Tables)

6 Months Ended

Jun. 30, 2024

Noncontrolling Interest [Abstract]

Summary of company and transfers to noncontrolling interest

The following is a summary of net income attributable to the Company and transfers to noncontrolling interest (in thousands):


	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2024			2023			2024			2023
Net loss available to Class A ordinary shareholders	$	(12,506	)	$	(9,118	)	$	(21,998	)	$	(18,783	)
(Increase)/Decrease in ProKidney Corp. accumulated deficit for impact of subsidiary equity-based compensation		1,374			2,762			3,014			5,219
(Increase)/Decrease in ProKidney Corp. additional paid-in capital for exchange of Common Units in ProKidney LP for Class A ordinary shares		(12,613	)		–			(14,902	)		–
(Increase)/Decrease in ProKidney Corp. additional paid-in capital for vesting of Restricted Common Units in ProKidney LP		22,745			(725	)		14,073			(4,478	)
Change from net loss available to Class A ordinary shareholders and change in ownership interest in ProKidney LP	$	(1,000	)	$	(7,081	)	$	(19,813	)	$	(18,042	)

Equity Based Compensation

6 Months Ended

Jun. 30, 2024

Share-Based Payment Arrangement [Abstract]

Equity Based Compensation

Note 10: Equity Based Compensation

2022 Incentive Equity Plan

On July 11, 2022, the shareholders of the Company approved the ProKidney Corp. 2022 Incentive Equity Plan (the “2022 Plan”) which provides for the issuance of equity based awards to the Company’s employees, non-employee directors, individual consultants, advisors and other service providers. The 2022 Plan provides for the issuance of equity awards in the form of incentive stock options, which are intended to satisfy the requirements of Section 422 of the Internal Revenue Code of 1986, as amended, or nonqualified stock options, which are not intended to meet those requirements, stock appreciation rights, restricted stock, restricted stock units, performance awards or other cash or stock-based awards as determined appropriate by the plan administrator. In settlement of its obligations under this plan, the Company will issue new Class A ordinary shares.

The Company has issued incentive and non-qualified stock option awards under the 2022 Plan to certain employees, individual consultants and non-employee directors of the Company. Given that the Company has established a full valuation allowance against its deferred tax assets, the Company has recognized no tax benefit related to these awards.

Time-Vested Awards

The Company uses the Black-Scholes option pricing model to calculate the fair value of time-vested stock options granted. These awards generally vest ratably over a three or four-year period and the option awards expire after a term of ten years from the date of grant. The fair value of stock options granted was estimated using the following assumptions during the six months ended June 30, 2024:


	Six Months Ended June 30,
	2024	2023
Expected volatility	82.9% - 84.9%	81.5% - 83.5%
Expected life of options, in years	5.5 - 6.1	5.5 - 6.1
Risk-free interest rate	3.8% - 4.6%	3.5% - 4.2%
Expected dividend yield	0.0%	0.0%

The following table summarizes the activity related to the Company’s time-vested stock option awards granted under the 2022 Plan for the six months ended June 30, 2024:


	Number of Shares			Weighted Average Exercise Price
Time-vested options outstanding at January 1, 2024		14,680,109		$	7.83
Granted		7,832,922			1.84
Exercised		(281	)		1.61
Forfeited		(2,102,879	)		5.22
Time-vested options outstanding at June 30, 2024		20,409,871		$	5.53
Time-vested options exercisable at June 30, 2024		3,150,017		$	9.12
Weighted average remaining contractual life	8.2 years
Time-vested options vested and expected to vest at June 30, 2024		20,409,871		$	5.53
Weighted average remaining contractual life	9.0 years

As of June 30, 2024, the Company had total unrecognized stock-based compensation expense of approximately $52,675,000 related to the time-vested grants under the 2022 Plan, which is expected to be recognized on a straight-line basis over a weighted average period of 2.9 years. The weighted average grant date fair value for the option grants during the six months ended June 30, 2024 and 2023 was $1.33 and $6.70, respectively.

The aggregate intrinsic value of the in-the-money time-vested awards outstanding and those exercisable as of June 30, 2024 was $8,883,000 and $304,000, respectively.

Performance-Based Awards

The Company has issued stock options to certain of its employees which vest based on the achievement of both operational performance metrics and service rendered over a specific time period. The following table summarizes the activity related to the Company’s performance-based stock option awards granted under the 2022 Plan for the six months ended June 30, 2024:


	Number of Shares		Weighted Average Exercise Price
Performance-based options outstanding at January 1, 2024		1,000,000	$	1.69
Granted		506,250		1.27
Performance-based options outstanding at June 30, 2024		1,506,250	$	1.55
Performance-based options exercisable at June 30, 2024		—	$	—
Performance-based options vested and expected to vest at June 30, 2024		1,506,250	$	1.55
Weighted average remaining contractual life	9.5 years

As of June 30, 2024, the Company had total unrecognized stock-based compensation expense of approximately $1,069,000 related to the performance-based grants under the 2022 Plan, which is expected to be recognized on a straight-line basis over a weighted average period of 1.2 years.

Market-Vested Awards

In previous periods, the Company had granted market-vested options to its former Chief Executive Officer, these awards were forfeited upon the termination of his employment in November 2023. There were no market-vested awards granted during the three and six months ended June 30, 2024 and 2023. There were no market based awards outstanding at June 30, 2024.

Legacy Profits Interests

The Deed for the Establishment of a Limited Partnership of PKLP, dated as of August 5, 2021 (the “Limited Partnership Agreement”) which replaced the Amended and Restated Limited Liability Company Agreement of ProKidney LLC as the governing

document of the parent entity in the Company, allowed for the issuance of Profits Interests (as defined in the Limited Partnership Agreement) to employees, directors, other service providers of the Company and others denominated in the form of one or more Class B Units of PKLP (as defined in the Limited Partnership Agreement).

Under the Limited Partnership Agreement, Legacy GP determined the terms and conditions of the Profits Interests issued. The threshold value assigned to each grant was not to be less than the fair market value of PKLP on the date of grant. Profits Interests awarded would vest at a rate of 25% on the latter of the first anniversary of employment and the first anniversary of the Acquisition Date with the remaining 75% to vest in increments of 25% on each anniversary following the first anniversary date, ratably over a three or four-year period from the date of grant, in annual installments of 33.3% over the three-year period from the date of grant, in increments of 6.25% each calendar quarter following the first anniversary date, or were fully vested upon issuance.

On January 17, 2022, PKLP amended and restated its Limited Partnership Agreement (the “Amended and Restated Limited Partnership Agreement”) which provided that certain qualified distribution events would result in holders of Profits Interests receiving disproportionate distributions from PKLP until each such holder’s valuation threshold had been reduced to zero in order to “catch up” such holder’s distributions to its pro rata share of aggregate cumulative distributions, and once sufficient distributions to a holder of Profits Interests had been made in accordance with the foregoing, the associated Class B Units of PKLP would automatically be converted into Class A Units of PKLP (as defined in the Limited Partnership Agreement).

Upon consummation of the Business Combination discussed in Note 1, PKLP’s existing Class B and B-1 Units were “caught up” and were converted into Class A Units of PKLP. The resulting vested and unvested Class A Units of PKLP were then recapitalized into Post-Combination ProKidney Common Units or Restricted Common Units of the Company, respectively. This recapitalization resulted in a decrease in the number of awards held by each participant. As such, the number of Profits Interests and related per unit values within these financial statements have been adjusted to reflect this recapitalization. Upon recapitalization, the Restricted Common Units maintained the vesting schedules associated with the original Profits Interest awards.

The following table summarizes the activity related to the Profits Interest awards for the six months ended June 30, 2024:


	Number of Shares			Weighted Average Grant Date Fair Value
Unvested awards outstanding at January 1, 2024		3,565,753		$	7.23
Vested		(1,218,775	)		7.43
Forfeited		(158,250	)		7.43
Unvested awards outstanding at June 30, 2024		2,188,728		$	7.05

As of June 30, 2024, the unrecognized compensation expense related to these awards was $11,526,000. The current weighted average remaining period over which the unrecognized compensation expense is expected to be recognized is 1.4 years. There were no Profits Interests awarded during the three months ended June 30, 2024 or 2023.

Modification to Equity Based Compensation Awards

During the six months ended June 30, 2023, the Company modified the vesting terms of outstanding time-based stock options issued to certain personnel upon their separation. This amendment constituted a modification of the awards under the provisions of ASC Topic 718 and resulted in the recognition of an additional $3,011,000 of compensation expense during the six months ended June 30, 2023.

Equity Based Compensation Expense

Compensation expense related to equity-based awards is included in research and development and general and administrative expense as follows (in thousands):


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Research and development	$	3,402	$	3,284	$	6,633	$	8,443
General and administrative		4,406		7,918		8,856		15,779
Total equity-based compensation expense	$	7,808	$	11,202	$	15,489	$	24,222

The following table summarizes our equity based compensation by type of award (in thousands):


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Time-vested stock options	$	5,575	$	4,665	$	10,755	$	11,595
Performance-based stock options		310		–		569		–
Market-vested stock options		–		2,794		–		5,558
Legacy profits interests		1,923		3,743		4,165		7,069
Total equity-based compensation expense	$	7,808	$	11,202	$	15,489	$	24,222

Significant Accounting Policies

6 Months Ended

Jun. 30, 2024

Accounting Policies [Abstract]

Significant Accounting Policies

Note 2: Significant Accounting Policies

Unaudited Interim Financial Statements

The accompanying financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”). The accompanying Condensed Consolidated Balance Sheet as of June 30, 2024, Condensed Consolidated Statements of Operations for the three and six months ended June 30, 2024 and 2023, Condensed Consolidated Statements of Comprehensive Loss for the three and six months ended June 30, 2024 and 2023, Condensed Consolidated Statement of Changes in Redeemable Noncontrolling Interest and Shareholders’ Deficit for the three and six months ended June 30, 2024 and 2023 and Condensed Consolidated Statements of Cash Flows for the six months ended June 30, 2024 and 2023 are unaudited. These

unaudited financial statements have been prepared in accordance with the rules and regulations of the United States Securities and Exchange Commission (the “SEC”) for interim financial information. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements.

The unaudited interim financial statements have been prepared on the same basis as the annual financial statements and, in the opinion of management, reflect all adjustments (consisting of normal recurring adjustments) necessary to state fairly the Company’s financial position as of June 30, 2024, the results of operations for the three and six months ended June 30, 2024 and 2023 and cash flows for the six months ended June 30, 2024 and 2023. Certain prior year amounts have been reclassified to conform to the current year presentation. The December 31, 2023 Condensed Consolidated Balance Sheet included herein was derived from the audited financial statements but does not include all disclosures or notes required by GAAP for complete financial statements. These financial statements should be read in conjunction with the audited financial statements and the accompanying notes for the year ended December 31, 2023, contained in the Company’s Annual Report on Form 10-K filed with the SEC on March 22, 2024.

Any reference in these notes to applicable guidance is meant to refer to GAAP as found in the Accounting Standards Codification (“ASC”) and Accounting Standards Update (“ASU”) of the Financial Accounting Standards Board (“FASB”). These unaudited consolidated financial statements are presented in U.S. Dollars.

Interim results are not necessarily indicative of results for an entire year.

Use of Estimates

The preparation of unaudited condensed consolidated financial statements, in accordance with GAAP, requires management to make certain estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities at the date of the condensed consolidated financial statements, and the amounts of expenses during the reported periods. Certain estimates in these condensed consolidated financial statements have been made in connection with the calculation of research and development expenses, equity-based compensation expense and the provision for or benefit from income taxes. The Company bases its estimates on historical experience and various other assumptions, including in certain circumstances future projections, which management believes to be reasonable under the circumstances. Actual results could differ from those estimates. Changes in estimates are reflected in reported results in the period in which they become known.

Cash Equivalents and Marketable Securities

The Company considers all highly liquid investments with an original maturity of 90 days or less on the date of purchase to be cash equivalents. The carrying value of cash and cash equivalents approximates fair value due to the short-term nature of these items.

The Company’s investments in marketable debt securities have been classified and accounted for as available-for-sale. The Company classifies its marketable debt securities as short-term due to its availability for use in its current operations. The cost of securities sold is determined using the specific identification method.

The Company considers all available evidence to evaluate if a credit loss exists, and if so, recognizes an allowance for credit loss.

Concentrations of Credit Risk

Cash and equivalents are the primary financial instruments held by the Company that are potentially subject to concentrations of credit risk. The Company’s cash and equivalents are deposited in accounts at large financial institutions, and such amounts may exceed federally insured limits.

Accrued Expenses

Accrued expenses as presented in the Condensed Consolidated Balance Sheets as of June 30, 2024 and December 31, 2023 consisted of the following (in thousands):


	June 30, 2024		December 31, 2023
Compensation	$	5,981	$	5,237
Severance		1,146		2,283
Clinical study related costs		1,914		1,658
Facility related costs		1,492		693
Accrued legal costs		1,503		1,015
Manufacturing improvement costs		72		4,365
Accrued consulting and professional fees		842		878
Other accrued expenses		2,159		1,536
Total accrued expenses and other	$	15,109	$	17,665

Research and Development Costs

Research and development costs are expensed as incurred. Research and development expenses are comprised of costs incurred in performing research and development activities, including salaries, benefits, third party license fees, and external costs of outside vendors engaged to conduct manufacturing and preclinical development activities and clinical trials.

The Company records accruals based on estimates of services received, efforts expended, and amounts owed pursuant to contracts with numerous contract research organizations. In the normal course of business, the Company contracts with third parties to perform various clinical study activities in the ongoing development of potential products. The financial terms of these agreements are subject to negotiation and variation from contract to contract and may result in uneven payment flows. Payments under the contracts depend on factors such as the achievement of certain events and the completion of portions of the clinical study or similar conditions. The objective of the Company’s accrual policy is to match the recording of expenses in its financial statements to the actual services received and efforts expended. As such, expense accruals related to clinical studies are recognized based on the company’s estimate of the degree of completion of the event or events specified in the specific clinical study.

The Company records nonrefundable advance payments it makes for future research and development activities as prepaid expenses. Prepaid expenses are recognized as expense in the Condensed Consolidated Statement of Operations and Comprehensive Loss as the Company receives the related goods or services.

Costs incurred in obtaining technology licenses are charged to research and development expense as purchased in-process research and development if the technology licensed has not reached technological feasibility and has no alternative future use.

Fixed Assets

Fixed assets are stated at cost, less accumulated depreciation. Generally, expenditures for maintenance and repairs are charged to expense and major improvements or replacements are capitalized. The Company computes depreciation and amortization using the straight-line method over the estimated useful life of the asset. Leasehold improvements are amortized over the lesser of the life of the lease or the estimated useful life of the leasehold improvement. The estimated useful lives are as follows:


Buildings	25-30 years
Computer equipment and software	3-5 years
Furniture and equipment	5-7 years
Leasehold improvements	remainder of lease term

Fixed assets consisted of the following (in thousands):


	June 30, 2024			December 31, 2023
Land	$	3,067		$	3,067
Buildings		22,490			22,490
Leasehold improvements		18,967			10,950
Furniture and equipment		5,344			3,690
Computer equipment and software		904			847
Construction in progress		1,194			8,741
Less: accumulated depreciation		(9,399	)		(7,642	)
Total fixed assets, net	$	42,567		$	42,143

Depreciation expense for the three months ended June 30, 2024 and 2023 was $964,000 and $652,000, respectively. Depreciation expense for the six months ended June 30, 2024 and 2023 was $1,797,000 and $1,278,000, respectively.

Impairment of Long-Lived Assets

Long-lived assets such as fixed assets and intangible assets subject to amortization are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized for the amount by which the carrying amount of the asset exceeds the fair value of the asset. No impairment charges have been recorded for the three and six months ended June 30, 2024 and 2023.

Income Taxes

The Company uses the liability method in accounting for income taxes as required by ASC Topic 740 — Income Taxes, under which deferred tax assets and liabilities are recorded for the future tax consequences attributable to the differences between the financial statements carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period that includes the enactment date. A valuation allowance is recorded to reduce the carrying amounts of deferred tax assets unless it is more likely than not that such assets will be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences become deductible. Management considers the scheduled reversal of deferred tax liabilities, available taxes in the carryback periods, projected future taxable income and tax planning strategies in making this assessment. Accordingly, the Company has provided a full valuation allowance to offset the net deferred tax assets at June 30, 2024 and December 31, 2023.

Interest and penalties related to income taxes are included in the expense for income taxes in the Company’s Condensed Consolidated Statements of Operations and Comprehensive Loss. The Company has not incurred any significant interest or penalties related to income taxes in any of the periods presented.

Fair Value Measurements

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. A three‑level fair value hierarchy that prioritizes the inputs used to measure fair value is described below. The three levels of inputs used to measure fair value are as follows:

•

Level 1 – Unadjusted quoted prices in active markets for identical assets or liabilities

•

Level 2 – Inputs other than quoted prices included within Level 1 that are either directly or indirectly observable through correlation with market data

•

Level 3 – Unobservable inputs that are supported by little or no market data, which require the reporting entity to develop its own assumptions

For assets and liabilities recorded at fair value, it is the Company’s policy to maximize the use of observable inputs and minimize the use of unobservable inputs when developing fair value measurements, in accordance with the fair value hierarchy. Fair value measurements for assets and liabilities where there exists limited or no observable market data are based primarily upon estimates and are often calculated based on the economic and competitive environment, the characteristics of the asset or liability and other factors. Therefore, fair value measurements cannot be determined with precision and may not be realized in an actual sale or immediate

settlement of the asset or liability. Additionally, there may be inherent weaknesses in any calculation technique and changes in the underlying assumptions used, including discount rates and estimates of future cash flows, could significantly affect the calculated current or future fair values. The Company utilizes fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures.

The carrying values of cash equivalents, accounts payable, and accrued liabilities approximate fair value due to the short‑term nature of these instruments.

Leases

The Company determines if an arrangement is a lease at inception. Balances recognized related to the Company’s operating and finance leases are included in right-of-use assets, net and lease liabilities in the Condensed Consolidated Balance Sheets. Right of use assets and lease liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. Lease terms may include options to extend or terminate the lease if it is reasonably certain that the Company will exercise the option. As most of the Company’s leases do not provide an implicit rate, the Company uses its incremental borrowing rate based on the information available at the commencement date in determining the present value of future payments. The right of use asset also includes any lease payments made and excludes lease incentives and initial direct costs incurred. The Company has elected a practical expedient to not separate its lease and non-lease components and instead account for them as a single lease component. Leases with a term of 12 months or less are not recorded on the balance sheet.

Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term. Lease payments for short-term leases are recorded to operating expense on a straight-line basis and variable lease payments are recorded in the period in which the obligation for those payments is incurred.

Contingent Liabilities

The Company records reserves for contingent liabilities when it is probable that an asset has been impaired or a liability has been incurred at the date of the financial statements, and the amount of the loss can be reasonably estimated.

Equity-Based Compensation

Compensation expense for equity-based compensation awards issued is based on the fair value of the award at the date of grant, and compensation expense is recognized for time-vested awards earned over the service period on a straight-line basis. The Company recognizes equity-based compensation for options containing performance-based vesting conditions over the requisite service period if it is probable that the performance conditions will be satisfied. The Company records forfeitures of equity-based compensation awards as they occur.

The grant date fair value of time and performance-based stock option awards is estimated using the Black-Scholes option pricing formula. Due to the lack of sufficient historical trading information with respect to its own shares, the Company estimates expected volatility based on a portfolio of selected stocks of companies believed to have market and economic characteristics similar to its own. The risk-free rate is based on the U.S. Treasury yield curve in effect at the time of grant. Due to a lack of historical exercise data, the Company estimates the expected life of its outstanding stock options using the simplified method specified under Staff Accounting Bulletin Topic 14.D.2.

Segments

The Company operates in only one segment.

Recently Issued Accounting Pronouncements

In March 2024, the Financial Accounting Standards Board (“FASB”) issued a new standard that provides additional guidance for determining whether profits interests and similar awards should be accounted for in accordance with Topic 718, Compensation - Stock Compensation, of the Accounting Standards Codification. The standard will be effective for the Company beginning with our annual reporting for fiscal year 2025 and interim periods in that year, with early adoption permitted. We do not believe that the adoption of this standard will have an impact on the classification of the profits interests that were granted to participants prior to the Business Combination.

Description of Business and Basis of Presentation - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2024
Description of Organization and Business Operations [Line Items]
Incorporation date of entity	Feb. 25, 2021
PKLP [Member]
Description of Organization and Business Operations [Line Items]
Percentage of non-voting economic interest	56.60%
Percentage of non-voting economic interest by parent	43.40%

Significant Accounting Policies - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) Segment	Jun. 30, 2023 USD ($)
Accounting Policies [Abstract]
Depreciation expense \| $	$ 964,000	$ 652,000	$ 1,797,000	$ 1,278,000
Number of Reportable Segments \| Segment			1

Condensed Consolidated Balance Sheets (Parenthetical) - Unaudited - $ / shares	Jun. 30, 2024	Dec. 31, 2023
Common Class A [Member]
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	125,856,877	59,880,347
Common stock shares outstanding	125,856,877	59,880,347
Common Class B [Member]
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	163,817,953	168,297,916
Common stock shares outstanding	163,817,953	168,297,916

Redeemable Noncontrolling Interest (Additional Information) (Details)	Jun. 30, 2024
Exchange Agreement [Member] \| PKLP [Member]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Non controlling interest percentge	56.60%

Equity Based Compensation - Schedule of Profits Interest Awards, Activity (Details) - Profits Interest Awards [Member]	6 Months Ended
	Jun. 30, 2024 $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares, Unvested Awards Outstanding, Beginning Balance \| shares	3,565,753
Number of Shares, Vested \| shares	(1,218,775)
Number of Shares, Forfeited \| shares	(158,250)
Number of Shares, Unvested Awards Outstanding, Ending Balance \| shares	2,188,728
Weighted Average Grant Date Fair Value, Unvested Awards Outstanding, Beginning Balance \| $ / shares	$ 7.23
Weighted Average Grant Date Fair Value, Vested \| $ / shares	7.43
Weighted Average Grant Date Fair Value, Forfeited \| $ / shares	7.43
Weighted Average Grant Date Fair Value, Unvested Awards Outstanding, Ending Balance \| $ / shares	$ 7.05

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

Investments - Schedule of Marketable Securities Measured At Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Cash Equivalents	$ 214,508	$ 60,649
Marketable Securities	217,023	$ 302,301
Fair Value Measurements Recurring [Member]
Amortized Cost	236,283
Unrealized Gains	121
Unrealized Losses	(137)
Fair Value	236,267
Cash Equivalents	19,244
Marketable Securities	217,023
Fair Value Measurements Recurring [Member] \| Fair Value Inputs Level 2 [Member] \| Money Market Funds [Member]
Amortized Cost	2,321
Unrealized Gains	0
Unrealized Losses	0
Fair Value	2,321
Cash Equivalents	2,321
Marketable Securities	0
Fair Value Measurements Recurring [Member] \| Fair Value Inputs Level 2 [Member] \| Time Deposit [Member]
Amortized Cost	29,609
Unrealized Gains	15
Unrealized Losses	(2)
Fair Value	29,622
Cash Equivalents	0
Marketable Securities	29,622
Fair Value Measurements Recurring [Member] \| Fair Value Inputs Level 2 [Member] \| Commercial Paper [Member]
Amortized Cost	40,866
Unrealized Gains	21
Unrealized Losses	(5)
Fair Value	40,882
Cash Equivalents	0
Marketable Securities	40,882
Fair Value Measurements Recurring [Member] \| Fair Value Inputs Level 2 [Member] \| Asset Backed Securities [Member]
Amortized Cost	2,635
Unrealized Gains	1
Unrealized Losses	(1)
Fair Value	2,635
Cash Equivalents	0
Marketable Securities	2,635
Fair Value Measurements Recurring [Member] \| Fair Value Inputs Level 2 [Member] \| Government Bonds [Member]
Amortized Cost	37,835
Unrealized Gains	0
Unrealized Losses	(41)
Fair Value	37,794
Cash Equivalents	16,923
Marketable Securities	20,871
Fair Value Measurements Recurring [Member] \| Fair Value Inputs Level 2 [Member] \| Corporate Debt Securities [Member]
Amortized Cost	123,017
Unrealized Gains	84
Unrealized Losses	(88)
Fair Value	123,013
Cash Equivalents	0
Marketable Securities	$ 123,013

Leases (Additional Information) (Details) - USD ($)	3 Months Ended		6 Months Ended
Leases (Additional Information) (Details) - USD ($)	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Leases [Abstract]
Operating lease expense	$ 513,000	$ 248,000	$ 935,000	$ 460,000
Cash paid for operating leases			$ 623,000
Operating lease, weighted average remaining lease term	4 years 9 months 18 days		4 years 9 months 18 days
Finance lease, weighted average remaining lease term	4 years 4 months 24 days		4 years 4 months 24 days
Operating lease, weighted average discount rate	10.90%		10.90%
Finance lease, weighted average discount rate	6.30%		6.30%

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Jun. 30, 2024
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Subsequent Events (Additional Information) (Details) - shares	Jun. 30, 2024	Dec. 31, 2023
Common Class A [Member]
Subsequent Event [Line Items]
Common Stock, Shares, Issued	125,856,877	59,880,347
Common Class B [Member]
Subsequent Event [Line Items]
Common Stock, Shares, Issued	163,817,953	168,297,916

Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2024

Accounting Policies [Abstract]

Unaudited Interim Financial Statements

Interim results are not necessarily indicative of results for an entire year.

Use of Estimates

Cash Equivalents and Marketable Securities

The Company considers all available evidence to evaluate if a credit loss exists, and if so, recognizes an allowance for credit loss.

Concentration of Credit Risk

Concentrations of Credit Risk

Accrued Expenses

Accrued expenses as presented in the Condensed Consolidated Balance Sheets as of June 30, 2024 and December 31, 2023 consisted of the following (in thousands):


	June 30, 2024		December 31, 2023
Compensation	$	5,981	$	5,237
Severance		1,146		2,283
Clinical study related costs		1,914		1,658
Facility related costs		1,492		693
Accrued legal costs		1,503		1,015
Manufacturing improvement costs		72		4,365
Accrued consulting and professional fees		842		878
Other accrued expenses		2,159		1,536
Total accrued expenses and other	$	15,109	$	17,665

Research and Development Costs

Fixed Assets


Buildings	25-30 years
Computer equipment and software	3-5 years
Furniture and equipment	5-7 years
Leasehold improvements	remainder of lease term

Fixed assets consisted of the following (in thousands):


	June 30, 2024			December 31, 2023
Land	$	3,067		$	3,067
Buildings		22,490			22,490
Leasehold improvements		18,967			10,950
Furniture and equipment		5,344			3,690
Computer equipment and software		904			847
Construction in progress		1,194			8,741
Less: accumulated depreciation		(9,399	)		(7,642	)
Total fixed assets, net	$	42,567		$	42,143

Impairment of Long-Lived Assets

Income Taxes

Fair Value Measurements

•

Level 1 – Unadjusted quoted prices in active markets for identical assets or liabilities

•

Level 2 – Inputs other than quoted prices included within Level 1 that are either directly or indirectly observable through correlation with market data

•

Level 3 – Unobservable inputs that are supported by little or no market data, which require the reporting entity to develop its own assumptions

The carrying values of cash equivalents, accounts payable, and accrued liabilities approximate fair value due to the short‑term nature of these instruments.

Leases

Contingent Liabilities

Equity-Based Compensation

Segments

The Company operates in only one segment

Recently Issued Accounting Pronouncements

Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2024

Accounting Policies [Abstract]

Schedule Of Estimated Useful Lives

The estimated useful lives are as follows:


Buildings	25-30 years
Computer equipment and software	3-5 years
Furniture and equipment	5-7 years
Leasehold improvements	remainder of lease term

Schedule of Fixed Assets

Fixed assets consisted of the following (in thousands):


	June 30, 2024			December 31, 2023
Land	$	3,067		$	3,067
Buildings		22,490			22,490
Leasehold improvements		18,967			10,950
Furniture and equipment		5,344			3,690
Computer equipment and software		904			847
Construction in progress		1,194			8,741
Less: accumulated depreciation		(9,399	)		(7,642	)
Total fixed assets, net	$	42,567		$	42,143

Condensed Consolidated Balance Sheets of Accrued expense

Accrued expenses as presented in the Condensed Consolidated Balance Sheets as of June 30, 2024 and December 31, 2023 consisted of the following (in thousands):


	June 30, 2024		December 31, 2023
Compensation	$	5,981	$	5,237
Severance		1,146		2,283
Clinical study related costs		1,914		1,658
Facility related costs		1,492		693
Accrued legal costs		1,503		1,015
Manufacturing improvement costs		72		4,365
Accrued consulting and professional fees		842		878
Other accrued expenses		2,159		1,536
Total accrued expenses and other	$	15,109	$	17,665

Redeemable Noncontrolling Interest

6 Months Ended

Jun. 30, 2024

Noncontrolling Interest [Abstract]

Redeemable Noncontrolling Interest

Note 7: Redeemable Noncontrolling Interest

The Company is subject to the Exchange Agreement with respect to the Post-Combination ProKidney Common Units representing the outstanding 56.6% noncontrolling interest in PKLP (see Note 1). The Exchange Agreement requires the surrender of an equal number of Post-Combination ProKidney Common Units and Class B ordinary shares for (i) Class A ordinary shares on a one-for-one basis or (ii) cash (based on the fair market value of the Class A ordinary shares as determined pursuant to the Exchange Agreement), at the Company’s option (as the managing member of PKLP), subject to customary conversion rate adjustments for share splits, share dividends and reclassifications. The exchange value is determined based on a five-day VWAP of the Class A ordinary shares as defined in the Exchange Agreement, subject to customary conversion rate adjustments for share splits, share dividends and reclassifications.

The redeemable noncontrolling interest is recognized at the higher of (1) its initial fair value plus accumulated earnings/losses associated with the noncontrolling interest or (2) the redemption value as of the balance sheet date. At June 30, 2024, the redeemable noncontrolling interest was recorded based on its initial fair value plus accumulated losses associated with the noncontrolling interest which was higher than the redemption value as of the balance sheet date.

Changes in the Company’s ownership interest in PKLP while the Company retains its controlling interest in PKLP are accounted for as equity transactions, and the Company is required to adjust noncontrolling interest and equity for such changes. The following is a summary of net income attributable to the Company and transfers to noncontrolling interest (in thousands):


	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2024			2023			2024			2023
Net loss available to Class A ordinary shareholders	$	(12,506	)	$	(9,118	)	$	(21,998	)	$	(18,783	)
(Increase)/Decrease in ProKidney Corp. accumulated deficit for impact of subsidiary equity-based compensation		1,374			2,762			3,014			5,219
(Increase)/Decrease in ProKidney Corp. additional paid-in capital for exchange of Common Units in ProKidney LP for Class A ordinary shares		(12,613	)		–			(14,902	)		–
(Increase)/Decrease in ProKidney Corp. additional paid-in capital for vesting of Restricted Common Units in ProKidney LP		22,745			(725	)		14,073			(4,478	)
Change from net loss available to Class A ordinary shareholders and change in ownership interest in ProKidney LP	$	(1,000	)	$	(7,081	)	$	(19,813	)	$	(18,042	)

Condensed Consolidated Statements of Comprehensive Loss - Unaudited - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net loss before noncontrolling interest	$ (38,466)	$ (34,823)	$ (73,799)	$ (71,732)
Other comprehensive income:
Unrealized loss on marketable securities	132	(413)	(515)	(485)
Other comprehensive income	132	(413)	(515)	(485)
Total comprehensive loss including noncontrolling interest	(38,334)	(35,236)	(74,314)	(72,217)
Less: Total comprehensive loss attributable to noncontrolling interest	(25,866)	(26,010)	(52,180)	(53,307)
Total comprehensive loss attributable to Class A ordinary shareholders	$ (12,468)	$ (9,226)	$ (22,134)	$ (18,910)

- Definition

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

+ References + Details

- Definition

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

+ References + Details

- Definition

Amount after tax and reclassification adjustments of other comprehensive income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481674/830-30-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481694/830-30-45-17

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(19))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
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+ Details

Net Loss per Share - Schedule of computation of basic and diluted net loss per share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Numerator
Net loss	$ (38,466)	$ (34,823)	$ (73,799)	$ (71,732)
Less: Net loss attributable to noncontrolling interest	$ (25,960)	$ (25,705)	$ (51,801)	$ (52,949)
Antidilutive securities
Earnout Rights			17,500,000	17,500,000
Stock options granted under the 2022 Equity Incentive Plan	21,916,121	15,718,932	21,916,121	15,718,932
Restricted Stock Rights [Member]
Antidilutive securities
Unvested Restricted Stock Rights			2,188,728	5,952,288
Common Class A [Member]
Numerator
Net loss Available To Class A ordinary Shareholders of ProKidney Corp., Basic	$ (12,506)	$ (9,118)	$ (21,998)	$ (18,783)
Net loss Available To Class A ordinary Shareholders of ProKidney Corp., Diluted	$ (12,506)	$ (9,118)	$ (21,998)	$ (18,783)
Denominator
Weighted average Class A ordinary shares or ProKidney Corp. outstanding, Basic	75,908,017	64,562,209	68,429,869	64,551,281
Weighted average Class A ordinary shares or ProKidney Corp. outstanding, Diluted	75,908,017	64,562,209	68,429,869	64,551,281
Net loss per share attributable to Class A ordinary shares, Basic	$ (0.16)	$ (0.14)	$ (0.32)	$ (0.29)
Net loss per share attributable to Class A ordinary shares, Diluted	$ (0.16)	$ (0.14)	$ (0.32)	$ (0.29)
Antidilutive securities
ProKidney Corp. ordinary shares	125,856,877		125,856,877		59,880,347
Common Class B [Member]
Antidilutive securities
ProKidney Corp. ordinary shares	163,817,953	173,663,427	163,817,953	173,663,427	168,297,916

Redeemable Noncontrolling Interest - Summary of company non controlling interest (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net loss available to Class A ordinary shareholders	$ (38,466)	$ (34,823)	$ (73,799)	$ (71,732)
(Increase)/Decrease In ProKidney Corp. additional paid-in capital for vesting of Restricted Common Units in ProKidney LP	22,745	(725)	14,073	(4,478)
Change from net loss available to Class A ordinary shareholders and change in ownership interest in ProKidney LP	(1,000)	(7,081)	(19,813)	(18,042)
Subsidiaries [Member] \| Noncontrolling Interest [Member]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
(Increase)/Decrease in ProKidney Corp. accumulated deficit for impact of subsidiary equity-based compensation	1,374	2,762	3,014	5,219
Common Class A [Member]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
(Increase)/Decrease in ProKidney Corp. additional paid-in capital for exchange of Common Units in ProKidney LP for Class A ordinary shares	(12,613)	0	(14,902)	0
Common Class A [Member] \| Noncontrolling Interest [Member]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net loss available to Class A ordinary shareholders	$ (12,506)	$ (9,118)	$ (21,998)	$ (18,783)

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Reference 22: http://www.xbrl.org/2003/role/disclosureRef
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Reference 23: http://www.xbrl.org/2003/role/disclosureRef
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Reference 24: http://www.xbrl.org/2003/role/disclosureRef
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Reference 25: http://www.xbrl.org/2003/role/disclosureRef
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Reference 26: http://www.xbrl.org/2003/role/disclosureRef
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Reference 27: http://www.xbrl.org/2003/role/disclosureRef
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Reference 39: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Leases

6 Months Ended

Jun. 30, 2024

Leases [Abstract]

Leases

Note 5: Leases

The Company has operating leases for real estate (primarily its operating facilities) and certain equipment with various expiration dates. The Company also has one finance lease for certain equipment. Rent expense was $513,000 and $248,000, for the three months ended June 30, 2024 and 2023, respectively. For the six months ended June 30, 2024 and 2023, the Company’s rent expense was $935,000 and $460,000, respectively. Cash paid for operating leases during the six months ended June 30, 2024, was $623,000.


	June 30, 2024		December 31, 2023
Operating leases:
Right of use assets	$	6,212	$	4,116

Operating lease liabilities, current	$	988	$	751
Operating lease liabilities, noncurrent		5,554		3,506
Total operating lease liabilities	$	6,542	$	4,257

Finance leases:
Right of use assets	$	122	$	147

Finance lease liabilities, current	$	44	$	52
Finance lease liabilities, noncurrent		86		104
Total finance lease liabilities	$	130	$	156

Maturities of lease liabilities for the Company’s operating and finance leases are as follows as of June 30, 2024 (in thousands):


	Operating Leases			Finance Leases			Total
2024 (remaining six months)	$	800		$	31		$	831
2025		1,681			32			1,713
2026		1,841			22			1,863
2027		1,725			22			1,747
2028		1,361			22			1,383
Thereafter		1,279			22			1,301
Total lease payments		8,687			151			8,838
Less: imputed interest		(2,145	)		(21	)		(2,166	)
Present value of lease liabilities	$	6,542		$	130		$	6,672

The weighted average remaining lease term for operating leases is 4.8 years, and 4.4 years for finance leases. The weighted average discount rate for operating leases is 10.9% and 6.3% for finance leases.

Condensed Consolidated Balance Sheets - Unaudited - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 214,508	$ 60,649
Marketable securities	217,023	302,301
Interest receivable	2,748	1,375
Prepaid assets	3,532	3,399
Prepaid clinical	12,451	6,413
Other current assets	0	9
Total current assets	450,262	374,146
Fixed assets, net	42,567	42,143
Right of use assets, net	6,334	4,263
Total assets	499,163	420,552
Current liabilities
Accounts payable	2,933	5,098
Lease liabilities	1,032	803
Accrued expenses and other	15,109	17,665
Income taxes payable	1,515	1,472
Total current liabilities	20,589	25,038
Income tax payable, net of current portion	568	568
Lease liabilities, net of current portion	5,640	3,610
Total liabilities	26,797	29,216
Commitments and contingencies
Redeemable noncontrolling interest	1,444,737	1,494,732
Shareholders' deficit
Additional paid-in capital	189,267	36,114
Accumulated other comprehensive (loss) gain	(6)	130
Accumulated deficit	(1,161,661)	(1,139,663)
Total shareholders' deficit	(972,371)	(1,103,396)
Total liabilities and shareholders' deficit	499,163	420,552
Common Class A [Member]
Shareholders' deficit
Common stock value	13	6
Common Class B [Member]
Shareholders' deficit
Common stock value	$ 16	$ 17

Related Party Transactions

6 Months Ended

Jun. 30, 2024

Related Party Transactions

Note 6: Related Party Transactions

Exchange Agreement

On the Closing Date, the Company entered into an exchange agreement with PKLP and certain Closing ProKidney Unitholders (the “Exchange Agreement”) pursuant to which, subject to the procedures and restrictions therein, from and after the waiver or expiration of any contractual lock-up period (including pursuant to the Lock-Up Agreement (as defined below)) the holders of Post-Combination ProKidney Common Units as defined in the Exchange Agreement (or certain permitted transferees thereof) have the right from time to time at and after 180 days following the Closing to exchange their Post-Combination ProKidney Common Units and an equal number of Class B ordinary shares of the Company on a one-for-one basis for Class A ordinary shares of the Company (the “Exchange”); provided, that, subject to certain exceptions, the Company, at its sole election, subject to certain restrictions, may, other than in the case of certain secondary offerings, instead settle all or a portion of the Exchange in cash based on a volume weighted average price (“VWAP”) of a Class A ordinary share. The Exchange Agreement provides that, as a general matter, a holder of Post-Combination ProKidney Common Units will not have the right to exchange Post-Combination ProKidney Common Units if the Company determines that such exchange would be prohibited by law or regulation or would violate other agreements with the Company and its subsidiaries to which the holder of Post-Combination ProKidney Common Units may be subject, including the Second Amended and Restated ProKidney Limited Partnership Agreement and the Exchange Agreement.

Lock-Up Agreement

On the Closing Date, the Company, SCS Sponsor III LLC and certain Closing ProKidney Unitholders entered into a lock-up agreement (the “Lock-Up Agreement”). The Lock-Up Agreement contains certain restrictions on transfer with respect to the SCS Sponsor III LLC and the Closing ProKidney Unitholders party thereto. Such restrictions began at the Closing and end on the earlier of (i) the date that is 180 days after the Closing and (ii)(a) for 33% of the Lock-Up Shares (other than the Earnout Shares and the PIPE Shares), the date on which the last reported sale price of a Class A ordinary share of the Company equals or exceeds $12.50 per share for any 20 trading days within any 30-trading day period commencing at least 30 days after the Closing and (b) for an additional 50% of the Lock-Up Shares (other than the Earnout Shares and the Private Placement Shares (as each such term is defined in the Lock-Up Agreement)), the date on which the last reported sale price of a Class A ordinary share of the Company equals or exceeds $15.00 per share for any 20 trading days within any 30-trading day period commencing at least 30 days after the Closing. Notwithstanding the above, (i) the lock-up period for any Earnout Shares will expire not earlier than 180 days after such Earnout Shares are issued; (ii) 50% of the Lock-Up Shares held by certain Closing ProKidney Unitholders and their affiliates will remain locked up until the earlier of four years following the Closing and the date that PKLP receives notice of any regulatory market authorization, including full or conditional authorization, to market its lead product candidate, rilparencel (but, in any event, not earlier than 180 days following the Closing or (in the case of Earnout Shares) the date of issuance); and (iii) the lock-up period for the Private Placement Shares expired 30 days after the Closing. The restrictions on transfer set forth in the Lockup Agreement are subject to customary exceptions.

During January 2023, the lock-up period for 50% of the shares held by the Closing ProKidney Unitholders (other than the Earnout Shares) expired.

Tax Receivable Agreement

On the Closing Date, the Company entered into a tax receivable agreement (the “Tax Receivable Agreement”) with the Closing ProKidney Unitholders. Pursuant to the Tax Receivable Agreement, among other things, the Company will be required to pay the Closing ProKidney Unitholders party thereto 85% of certain tax savings recognized by the Company, if any, as a result of the increases in tax basis attributable to exchanges by the Closing ProKidney Unitholders of Post-Combination ProKidney Common Units for Class A ordinary shares of the Company or, subject to certain restrictions, cash, pursuant to the Exchange Agreement and certain other tax attributes of PKLP and tax benefits related to entering into the Tax Receivable Agreement.

Earnout Rights

At the Closing, certain shareholders were issued an aggregate of 17,500,000 Earnout Restricted Common Units and 17,500,000 Earnout Restricted Stock Rights (collectively, the “Earnout Rights”). The Earnout Rights vest in three equal tranches if, during the five-year period after Closing, the VWAP of a Class A ordinary share reaches $15.00 per share, $20.00 per share and $25.00 per share. Likewise, the Earnout Rights will vest upon a change of control with a per share price exceeding those same VWAP thresholds within a five-year period immediately following the Closing. Upon vesting, the Earnout Rights will automatically convert into Post Combination ProKidney Common Units and Class B ordinary shares.

Consulting Services Agreement between ProKidney-KY and Nefro Health

On January 1, 2020, ProKidney-KY (formerly known as inRegen) entered into a consulting services agreement with Nefro Health (“Nefro”), an Irish partnership controlled and majority-owned by Mr. Pablo Legorreta, a director of the Company, ProKidney GP Limited, a private limited company incorporated under the laws of Ireland (“Legacy GP”) and a holder of over 5% of Class A Units in PKLP, pursuant to which Nefro provides consulting services for the research and development of the Company’s product candidates, including the conduct of clinical trials in North America and the European Union, the design and manufacturing of ProKidney’s product candidates as well as pre-commercialization activities, which are primarily performed by Mr. Legorreta. Under the agreement, Nefro receives $25,000 per quarter and is reimbursed for any out-of-pocket expenses incurred in connection with activities Nefro conducted under the agreement. ProKidney-KY has paid Nefro an aggregate of $25,000 and $50,000 for the each of the three and six months ended June 30, 2024 and 2023, respectively. The initial term of the consulting services agreement continued through December 31, 2020 and was renewed pursuant to the provision allowing for automatic renewals for additional periods of one year each unless terminated by either party by providing written notice to the other party at least ninety (90) days prior to the scheduled termination date. Either party may terminate this agreement upon the occurrence of a material breach by the other party in the performance of its obligations under the agreement or in respect of any provision, representation, warranty or covenant if such breach has not been cured within thirty (30) days after receiving written notice from the non-breaching party. Additionally, either of the parties may terminate the consulting services agreement for any reason upon giving thirty (30) days’ advance notice of such termination to the other party. In the event of such termination, ProKidney-KY will be obligated to pay Nefro any earned but unpaid consulting fee as of the termination date.

Consulting Services Agreement between ProKidney-US and Nefro Health

On January 1, 2020, ProKidney-US (formerly known as Twin City Bio, LLC) entered into a consulting services agreement with Nefro, pursuant to which Nefro provides consulting services for the research and development of the Company’s product candidates, including the conduct of clinical trials in North America and the European Union, the design and manufacturing of the Company’s product candidates as well as pre-commercialization activities, which are primarily performed by Mr. Legorreta. Under the agreement, Nefro receives $25,000 per quarter and is reimbursed for any out-of-pocket expenses incurred in connection with activities Nefro conducted under the agreement. ProKidney-US has paid Nefro an aggregate of $25,000 and $50,000 for each of the three and six months ended June 30, 2024 and 2023, respectively. The initial term of the consulting services agreement continued through December 31, 2020 and was renewed pursuant to the provision allowing for automatic renewals for additional periods of one year each unless terminated by either party by providing written notice to the other party at least ninety (90) days prior to the scheduled termination date. Either party may terminate this agreement upon the occurrence of a material breach by the other party in the performance of its obligations under the agreement or in respect of any provision, representation, warranty or covenant if such breach has not been cured within thirty (30) days after receiving written notice from the non-breaching party. Additionally, either of the parties may terminate the consulting services agreement for any reason upon giving thirty (30) days’ advance notice of such termination to the other party. In the event of such termination, ProKidney-US will be obligated to pay Nefro any earned but unpaid consulting fee as of the termination date.

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480990/946-20-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480990/946-20-50-5

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480990/946-20-50-6

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481062/946-235-50-2

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 235
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-Section 50
-Paragraph 2
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481062/946-235-50-2

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483326/850-10-50-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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-Subparagraph (SX 210.6-07(2)(e))
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-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//850/tableOfContent

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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-URI https://asc.fasb.org//1943274/2147483326/850-10-50-6

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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-URI https://asc.fasb.org//1943274/2147483326/850-10-50-1

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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-Section 50
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483326/850-10-50-1

+ Details

Investments

6 Months Ended

Jun. 30, 2024

Investments [Abstract]

Investments

Note 3: Investments

Cash equivalents and marketable securities are measured at fair value and within Level 2 in the fair value hierarchy, because we use quoted market prices to the extent available or alternative pricing sources and models utilizing market observable inputs to determine fair value.

The following tables summarize our cash equivalents and marketable securities measured at fair value on a recurring basis as of June 30, 2024 (in thousands):


	Fair Value Hierarchy	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash Equivalents		Marketable Securities
Money market funds	Level 2	$	2,321	$	–	$	–		$	2,321	$	2,321	$	–
Time deposits	Level 2		29,609		15		(2	)		29,622		–		29,622
Commercial paper	Level 2		40,866		21		(5	)		40,882		–		40,882
Asset backed securities	Level 2		2,635		1		(1	)		2,635		–		2,635
Government bonds	Level 2		37,835		–		(41	)		37,794		16,923		20,871
Corporate debt securities	Level 2		123,017		84		(88	)		123,013		–		123,013
Total		$	236,283	$	121	$	(137	)	$	236,267	$	19,244	$	217,023

The following table shows the fair value of the Company’s cash equivalents and marketable securities, by contractual maturity, as of June 30, 2024 (in thousands):


	June 30, 2024
Due in 1 year or less	$	215,231
Due in 1 year through 5 years		21,036
Total	$	236,267


	Less than 12 months					12 Months or Greater				Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Time deposits	$	3,990	$	(2	)	$	–	$	–	$	3,990	$	(2	)
Commercial paper		9,526		(5	)		–		–		9,526		(5	)
Asset backed securities		1,704		(1	)		–		–		1,704		(1	)
Government bonds		26,868		(41	)		–		–		26,868		(41	)
Corporate debt securities		48,586		(88	)		–		–		48,586		(88	)
Total	$	90,674	$	(137	)	$	–	$	–	$	90,674	$	(137	)

The Company holds debt securities of companies with high credit quality and has determined that there was no material change in the credit risk of its debt securities during the three and six months ended June 30, 2024 and 2023. As such, the Company has not recognized an allowance for credit losses related to our marketable debt securities during the three and six months ended June 30, 2024 and 2023.

Shareholders' Equity

6 Months Ended

Jun. 30, 2024

Equity [Abstract]

Shareholders' Equity

Note 8: Shareholders’ Equity

In June 2024, the Company sold 46,886,452 of its Class A ordinary shares in an underwritten public offering at a price of $2.42 per share. Additionally, in June 2024, the Company sold 11,030,574 of its Class A ordinary shares to certain investment entities at price of $2.42 per share in a concurrent registered direct offering pursuant to share purchase agreements. The net proceeds to the Company from the offerings were approximately $136,618,000, after deducting the underwriting discounts and commissions and offering expenses payable by the Company. The shares were offered and sold pursuant to the Company’s shelf registration statement on Form S-3.

In January 2024, the Company entered into an Open Market Sale AgreementSM (“Sales Agreement”) with Jefferies LLC (“Jefferies”) as the sales agent, pursuant to which the Company may offer and sell, from time to time, through Jefferies, shares of its Class A ordinary shares having an aggregate offering price of up to $100.0 million by any method deemed to be an “at the market offering” as defined in Rule 415(a)(4) under the Securities Act. The shares are offered and sold pursuant to the Company’s shelf registration statement on Form S-3.

During the three and six months ended June 30, 2024, the Company sold 2,301,900 of its Class A ordinary shares under the Sales Agreement for net proceeds of $3,238,000.