PROKIDNEY CORP. — Director's Dealing 2025

Jun 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PROKIDNEY CORP. (PROK)
CIK: 0001850270
Period of Report: 2025-06-03

Reporting Person: Legorreta Pablo G. (N/A)
Reporting Person: Tolerantia, LLC (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-03	Class A Ordinary Shares	C	3823996	—	Acquired	26441905	Indirect
2025-06-03	Class A Ordinary Shares	J	3823996	—	Disposed	22617909	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-06-03	Class B Ordinary Shares	$0	C	3823996	Disposed		Class A Ordinary Shares (3823996)	Indirect
2025-06-03	Common Units in ProKidney LP	$0	C	3823996	Disposed		Class A Ordinary Shares (3823996)	Indirect

Footnotes

F1: Represents equity interests held by Tolerantia, which is an affiliate controlled and majority owned by Pablo Legorreta. Mr. Legorreta controls the voting and disposition of the equity interests held by Tolerantia. Mr. Legorreta disclaims beneficial ownership of the equity interests held by Tolerantia except to the extent of his indirect pecuniary interest therein.

F2: Prior to June 3, 2025 (the "Transaction Date"), Tolerantia held 88,107,426 Common Units in ProKidney and an equal number of Class B Ordinary Shares (the "Paired Interests"), 84,160,537 of which were held by Nefro Health, an Irish partnership that is an affiliate controlled and majority-owned by Mr. Pablo Legorreta, and 3,946,889 of which were held by other investors which are unaffiliated with Mr. Legorreta (the "Unaffiliated Investors"). On the Transaction Date, Tolerantia exchanged 3,823,996 of the 3,946,889 Paired Interests attributable to the interests of the Unaffiliated Investors in Tolerantia for 3,823,996 Class A Ordinary Shares, which it subsequently distributed in-kind pro rata for no consideration to the Unaffiliated Investors.

F3: The Class B Ordinary Shares and the Common Units in ProKidney LP (the "Common Units") are paired securities. At the election of the reporting person and subject to the limitations set forth in the Exchange Agreement and the Second Amended and Restated Company Partnership Agreement, each Class B Ordinary Share, together with a paired Common Unit, may be exchanged for a Class A Ordinary Share on a one-for-one basis.

F4: The Class B Ordinary Shares were received pursuant to the terms of the Business Combination Agreement by and between the Issuer (formerly known as Social Capital Suvretta Holdings Corp. III) and ProKidney LP, dated as of January 18, 2022 (the "Business Combination Agreement"), in exchange for historical interests held by the reporting person in ProKidney LP. The Class B Ordinary Shares do not expire.

F5: The Common Units were received pursuant to the terms of the Business Combination Agreement in exchange for historical interests held by the reporting person in ProKidney LP. The Common Units do not expire.