Todd C. Girolamo - 12 Jun 2026 Form 4 Insider Report for PROKIDNEY CORP. (PROK)

Reporting relationship: Chief Legal Officer
Issuer ticker: PROK
Reported as of: 12 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 15 Jun 2026, 17:32:30 UTC
Prior SEC filing: 03 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Todd Girolamo

Key filing fact

Todd C. Girolamo filed Form 4 for PROKIDNEY CORP. (PROK) on 15 Jun 2026.

Key facts

This page summarizes Todd C. Girolamo's Form 4 filing for PROKIDNEY CORP. (PROK).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 15 Jun 2026, 17:32.

Change

Previous filing in this sequence was filed on 03 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001891257 Primary reporting owner

Girolamo Todd C

Relationship: Chief Legal Officer
Address: C/O PROKIDNEY CORP, 2000 FRONTIS PLAZA BLVD, SUITE 250, WINSTON-SALEM
Signature: /s/ Todd Girolamo
Signature date: 15 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PROK transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +163,857
Change %: +100%
Price: $0.000000^*
Shares after: 327,713
Date: 12 Jun 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

PROK transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares: -163,857
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 12 Jun 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 163,857
Exercise price: $0.000000
Footnotes: F1, F2

PROK transaction Derivative

Common Units in ProKidney Holdings, LLC

Conversion of derivative security

Transaction value
Shares: -163,857
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 12 Jun 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 163,857
Exercise price: $0.000000
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The Class B Common Stock and the Common Units in ProKidney Holdings LLC (a "Common Unit") are paired securities. At the election of the reporting person and subject to the limitations set forth in the Amended and Restated Exchange Agreement, dated as of July 1, 2025, and and the Second Amended and Restated Limited Liability Company Agreement of ProKidney Holdings, LLC, each Class B Common Stock, together with a paired Common Unit, may be exchanged for Class A Common stock on a one-for-one basis.

Footnote F2

The Class B Common Stock 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 Common Stock do not expire.

Footnote F3

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.