Insider Transactions Reported by 25 Insiders of PROKIDNEY CORP.

Symbol: PROK on Nasdaq
Location: Winston Salem, NC

Key facts

PROK - PROKIDNEY CORP. has 25 insiders with reported activity on this page.
Net insider value flow over the last year: -$1,884,577.
Recent transaction rows are available for direct filing-level review.

Change

Buy value: ; sell value: $1,884,577.
Net share flow: -757,162.

Research use

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$1,884,577.

Buys

Shares: 0

Insiders: 0

Sells

$1,884,577

Shares: 757,162

Insiders: 1

Net

-$1,884,577

Shares: -757,162

Insiders: -1

Window (months)	Sell shares	Buy $	Sell $	Net $
0-3	0	$0	$0	$0
3-6	0	$0	$0	$0
6-9	757,162	$0	$1,884,577	-$1,884,577
9-12	0	$0	$0	$0

Top shareholders of PROKIDNEY CORP. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with the largest verified stakes, then open the linked filing trail.

13D/G 3/4/5 13F

Lead reported holder

Tolerantia, LLC

36% from 13D/G

Large-stake signal

Tolerantia, LLC

13D/G evidence reports 36%

Evidence coverage

50 holder rows

Latest evidence as of 28 Apr 2026. Highest disclosed value: $132,052,942.

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Tolerantia, LLC	13D/G 13D/G	36%	$93,004,165 106,901,339 shares	-$3,326,877	03 Jun 2025
Control Empresarial de Capitales S.A. de C.V.	13D/G 3/4/5 Other*, 10%+ Owner 13D/G 3/4/5	36%	$132,052,942 73,842,723 shares	$0	28 Apr 2026
MORGAN STANLEY	13D/G 13F Company 13D/G 13F	6%	$19,510,759 8,519,982 shares	$0	31 Dec 2025
BlackRock, Inc.	13F 13D/G Company 13F 13D/G	1.4% from 13D/G	$2,482,938 1,387,116 shares	—	31 Mar 2026
SUVRETTA CAPITAL MANAGEMENT, LLC	13F Company 13F	6%	$22,090,866 12,341,266 shares	—	31 Mar 2026
MILLENNIUM MANAGEMENT LLC	13F Company 13F	1.1%	$4,066,123 2,271,577 shares	—	31 Mar 2026
Bleichroeder LP	13F Company 13F	0.98%	$3,580,000 2,000,000 shares	—	31 Mar 2026
Artia Global Partners LP	13F Company 13F	0.88%	$3,234,421 1,806,939 shares	—	31 Mar 2026
Hennion & Walsh Asset Management, Inc.	13F Company 13F	0.79%	$2,884,930 1,611,693 shares	—	31 Mar 2026
Brown University	13F Company 13F	0.77%	$1,790,000 1,000,000 shares	—	31 Mar 2026
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	0.61%	$2,238,921 1,250,794 shares	—	31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	0.6%	$2,203,520 1,230,409 shares	—	31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC	13F Company 13F	0.56%	$2,053,017 1,146,937 shares	—	31 Mar 2026
MARSHALL WACE, LLP	13F Company 13F	0.49%	$1,811,023 1,011,744 shares	—	31 Mar 2026
BANK OF AMERICA CORP /DE/	13F Company 13F	0.37%	$1,348,607 753,412 shares	—	31 Mar 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F Company 13F	0.31%	$1,123,710 627,771 shares	—	31 Mar 2026
STATE STREET CORP	13F Company 13F	0.27%	$996,753 556,845 shares	—	31 Mar 2026
VANGUARD FIDUCIARY TRUST CO	13F Company 13F	0.26%	$963,684 538,371 shares	—	31 Mar 2026
Woodline Partners LP	13F Company 13F	0.24%	$895,000 500,000 shares	—	31 Mar 2026
MYDA Advisors LLC	13F Company 13F	0.21%	$767,507 428,775 shares	—	31 Mar 2026
GOLDMAN SACHS GROUP INC	13F Company 13F	0.21%	$755,204 421,902 shares	—	31 Mar 2026
TWO SIGMA INVESTMENTS, LP	13F Company 13F	0.17%	$620,024 346,382 shares	—	31 Mar 2026
UBS Group AG	13F Company 13F	0.16%	$598,837 334,546 shares	—	31 Mar 2026
Amundi	13F Individual 13F	0.14%	$522,157 291,708 shares	—	31 Mar 2026
JANE STREET GROUP, LLC	13F Company 13F	0.13%	$473,070 264,285 shares	—	31 Mar 2026
ExodusPoint Capital Management, LP	13F Company 13F	0.12%	$455,292 254,353 shares	—	31 Mar 2026
NORTHERN TRUST CORP	13F Company 13F	0.12%	$432,428 241,580 shares	—	31 Mar 2026
Squarepoint Ops LLC	13F Company 13F	0.1%	$377,882 211,107 shares	—	31 Mar 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F Company 13F	0.1%	$366,034 204,488 shares	—	31 Mar 2026
GSA CAPITAL PARTNERS LLP	13F Company 13F	0.1%	$364,000 203,226 shares	—	31 Mar 2026
BARCLAYS PLC	13F Company 13F	0.07%	$261,849 146,284 shares	—	31 Mar 2026
Virtus Investment Advisers, LLC	13F Company 13F	0.06%	$220,865 123,388 shares	—	31 Mar 2026
HRT FINANCIAL LP	13F Company 13F	0.06%	$212,000 118,981 shares	—	31 Mar 2026
Voleon Capital Management LP	13F Company 13F	0.05%	$183,829 102,698 shares	—	31 Mar 2026
Susquehanna Portfolio Strategies, LLC	13F Company 13F	0.05%	$174,307 97,378 shares	—	31 Mar 2026
EntryPoint Capital, LLC	13F Company 13F	0.04%	$148,323 82,862 shares	—	31 Mar 2026
OMERS ADMINISTRATION Corp	13F Company 13F	0.03%	$121,541 67,900 shares	—	31 Mar 2026
Point72 Asset Management, L.P.	13F Company 13F	0.03%	$117,385 65,578 shares	—	31 Mar 2026
Brevan Howard Capital Management LP	13F Company 13F	0.03%	$114,834 64,153 shares	—	31 Mar 2026
Hudson Bay Capital Management LP	13F Company 13F	0.03%	$111,130 62,084 shares	—	31 Mar 2026
Jain Global LLC	13F Company 13F	0.03%	$91,836 51,305 shares	—	31 Mar 2026
CITIGROUP INC	13F Company 13F	0.02%	$88,397 49,384 shares	—	31 Mar 2026
Diametric Capital, LP	13F Company 13F	0.02%	$85,610 47,827 shares	—	31 Mar 2026
Catalyst Funds Management Pty Ltd	13F Company 13F	0.02%	$85,562 47,800 shares	—	31 Mar 2026
Jefferies Financial Group Inc.	13F Company 13F	0.02%	$83,052 46,398 shares	—	31 Mar 2026
Vanguard Global Advisers, LLC	13F Company 13F	0.02%	$60,992 34,074 shares	—	31 Mar 2026
Schonfeld Strategic Advisors LLC	13F Company 13F	0.02%	$58,791 32,845 shares	—	31 Mar 2026
Virtus Family Office LLC	13F Company 13F	0.01%	$49,225 27,500 shares	—	31 Mar 2026
Tower Research Capital LLC (TRC)	13F Company 13F	0.01%	$36,586 20,439 shares	—	31 Mar 2026
Jump Financial, LLC	13F Company 13F	0.01%	$33,187 18,540 shares	—	31 Mar 2026

PROKIDNEY CORP. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Pablo G. Legorreta	Director, 10%+ Owner	$396,228,878			Mixed	03 Jun 2025
Control Empresarial de Capitales S.A. de C.V.	Other*, 10%+ Owner	$132,052,941			Median	28 Apr 2026
SC Master Holdings, LLC	10%+ Owner	$17,374,357			Mixed	11 Jul 2022
Brian Jg Pereira	Director	$4,270,858	-$1,884,577	-31%	Mixed	12 Nov 2025
Aaron Cowen	10%+ Owner	$2,143,751			Mixed	11 Jul 2025
Darin J. Weber	Chief Regulatory Officer	$0			Mixed	01 Mar 2026
Chamath Palihapitiya	Former 10% Owner				Mixed	19 Nov 2023
SCS Sponsor III LLC	Former Director and 10% Owner				Mixed	11 Jul 2022
John Maraganore	Director				Mixed	29 Jun 2023
William F. Doyle	Director				Mixed	29 May 2025
Libbie Parker McKenzie	Chief Medical Officer				Mixed	16 Jan 2023
Deepak Jain	Chief Operating Officer				Mixed	16 Jan 2023
James Coulston	Chief Financial Officer				Mixed	01 Mar 2026
Santos Jose Ignacio Jimenez	Director				Mixed	29 May 2025
Uma Sinha	Director				Mixed	29 May 2025
Bruce Culleton	Chief Executive Officer, Director				Mixed	01 Mar 2026
Todd C. Girolamo	Chief Legal Officer				Mixed	01 Mar 2026
Ulrich Peter Alfred Ernst	EVP, Technical Operations				Mixed	01 Apr 2024
Alan Lotvin	Director				Mixed	29 May 2025
Jennifer A. Fox	Director				Mixed	29 May 2025
Timothy Bertram	Chief Executive Officer, Director				Mixed	16 Jan 2023
Mary Weger	Chief People Officer				Mixed	16 Jan 2023
James Ryans	Chief Financial Officer				Mixed	29 Jun 2021
Shoney Katz	Director of Research				Mixed	29 Jun 2021
Semigran Marc	Director				Mixed	29 Jun 2021

Recent Insider Transactions by Companies or Individuals for PROKIDNEY CORP.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Control Empresarial de Capitales S.A. de C.V.	PROK	Class A Common Shares (as defined in Exhibit 99.1 hereto)	Conversion of derivative security	588.6%			63,118,645	73,842,723	28 Apr 2026	Direct
Control Empresarial de Capitales S.A. de C.V.	PROK	Common Units in ProKidney LLC	Conversion of derivative security	-100%			-63,118,645	0	28 Apr 2026	Direct
Control Empresarial de Capitales S.A. de C.V.	PROK	Class B Common Shares	Conversion of derivative security	-100%			-63,118,645	0	28 Apr 2026	Direct
James Coulston	PROK	Employee stock option (right to buy)	Award				600,000	600,000	01 Mar 2026	Direct
Darin J. Weber	PROK	Employee stock option (right to buy)	Award				400,000	400,000	01 Mar 2026	Direct
Todd C. Girolamo	PROK	Employee stock option (right to buy)	Award				600,000	600,000	01 Mar 2026	Direct
Bruce Culleton	PROK	Employee stock option (right to buy)	Award				3,000,000	3,000,000	01 Mar 2026	Direct
Brian Jg Pereira	PROK	Class A Common Stock	Sale	-100%	$128,769	$2.37	-54,333	0	13 Nov 2025	Brian J. G. Pereira 2004 Trust
Brian Jg Pereira	PROK	Class A Common Stock	Sale	-100%	$1,061,293	$2.37	-447,803	0	13 Nov 2025	By Brian J. G. Pereira 2012 Irrevocable Trust
Brian Jg Pereira	PROK	Class A Common Stock	Sale	-33.7%	$75,152	$2.72	-27,595	54,333	12 Nov 2025	Brian J. G. Pereira 2004 Trust
Brian Jg Pereira	PROK	Class A Common Stock	Sale	-33.7%	$619,363	$2.72	-227,431	447,803	12 Nov 2025	By Brian J. G. Pereira 2012 Irrevocable Trust
Darin J. Weber	PROK	Class A Common Stock	Sale	-100%			-103,480	0	08 Jul 2025	Direct
Pablo G. Legorreta	PROK	Class A Ordinary Shares	Other	-14.5%			-3,823,996	22,617,909	03 Jun 2025	See footnote
Pablo G. Legorreta	PROK	Class A Ordinary Shares	Conversion of derivative security	16.9%			3,823,996	26,441,905	03 Jun 2025	See footnote
Pablo G. Legorreta	PROK	Common Units in ProKidney LP	Conversion of derivative security	-4.34%			-3,823,996	84,283,430	03 Jun 2025	See footnote
Pablo G. Legorreta	PROK	Class B Ordinary Shares	Conversion of derivative security	-4.34%			-3,823,996	84,283,430	03 Jun 2025	See footnote
Pablo G. Legorreta	PROK	Director stock option (right to buy)	Award				125,862	125,862	29 May 2025	Direct
Uma Sinha	PROK	Director stock option (right to buy)	Award				125,862	125,862	29 May 2025	Direct
Brian Jg Pereira	PROK	Director stock option (right to buy)	Award				125,862	125,862	29 May 2025	Direct
Santos Jose Ignacio Jimenez	PROK	Director stock option (right to buy)	Award				125,862	125,862	29 May 2025	Direct
Jennifer A. Fox	PROK	Director stock option (right to buy)	Award				125,862	125,862	29 May 2025	Direct
William F. Doyle	PROK	Director stock option (right to buy)	Award				125,862	125,862	29 May 2025	Direct
Alan Lotvin	PROK	Director stock option (right to buy)	Award				125,862	125,862	29 May 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.