Prokidney Corp. (PROK) Insider Ownership

Historic Insider Ownership Trends

PROK's three largest insider shareholders as of May 30, 2026 are Empresarial De Capitales S.A. De C.V. Control (TenPercentOwner, 73.84Mn shares), Pablo G. Legorreta (Director, 22.62Mn shares), Aaron Cowen (TenPercentOwner, 6.28Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Empresarial De Capitales S.A. De C.V. Control - 73,842,723 0 24 Apr, 2025
Brian Jg Pereira - 81,928 675,234 06 Feb, 2025
Pablo G. Legorreta - 0 22,617,909 05 Jun, 2025
Uma Sinha - 30,000 0 13 Jul, 2022
Aaron Cowen - 0 6,280,175 08 Sep, 2022
Todd C Girolamo Chief Legal Officer 163,856 0 02 Aug, 2024
Darin J. Weber Chief Regulatory Officer 103,480 0 20 Sep, 2024

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
01 Mar, 2026 Darin J. Weber Employee stock option (right to buy) A 400,000 $0.00 400,000 D A
01 Mar, 2026 Darin J. Weber Employee stock option (right to buy) A 400,000 $0.00 400,000 D A
01 Mar, 2026 Bruce Culleton Employee stock option (right to buy) A 3,000,000 $0.00 3,000,000 D A
01 Mar, 2026 James Coulston Employee stock option (right to buy) A 600,000 $0.00 600,000 D A
01 Mar, 2026 Todd C Girolamo Employee stock option (right to buy) A 600,000 $0.00 600,000 D A
12 Nov, 2025 Brian Jg Pereira Class A Common Stock D 227,431 $2.72 447,803 I S
12 Nov, 2025 Brian Jg Pereira Class A Common Stock D 227,431 $2.72 447,803 I S
12 Nov, 2025 Brian Jg Pereira Class A Common Stock D 27,595 $2.72 54,333 I S
12 Nov, 2025 Brian Jg Pereira Class A Common Stock D 27,595 $2.72 54,333 I S
13 Nov, 2025 Brian Jg Pereira Class A Common Stock D 447,803 $2.37 0 I S
13 Nov, 2025 Brian Jg Pereira Class A Common Stock D 447,803 $2.37 0 I S
13 Nov, 2025 Brian Jg Pereira Class A Common Stock D 54,333 $2.37 0 I S
13 Nov, 2025 Brian Jg Pereira Class A Common Stock D 54,333 $2.37 0 I S
08 Jul, 2025 Darin J. Weber Class A Common Stock D 103,480 $3.02 0 D S
08 Jul, 2025 Darin J. Weber Class A Common Stock D 103,480 $3.02 0 D S
03 Jun, 2025 Pablo G. Legorreta Class A Ordinary Shares A 3,823,996 $0.00 26,441,905 I C
03 Jun, 2025 Pablo G. Legorreta Class A Ordinary Shares D 3,823,996 $0.00 22,617,909 I J
03 Jun, 2025 Pablo G. Legorreta Class B Ordinary Shares D 3,823,996 $0.00 84,283,430 I C
03 Jun, 2025 Pablo G. Legorreta Common Units in ProKidney LP D 3,823,996 $0.00 84,283,430 I C
29 May, 2025 Uma Sinha Director stock option (right to buy) A 125,862 $0.00 125,862 D A