Bruce Culleton

CIK: 0001983742

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

PROK

PROKIDNEY CORP.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (3 total)

PROK
PROKIDNEY CORP.
Mar 1, 2026
Award(A)
Employee stock option (right to buy)
Direct
3M shares-
PROK
PROKIDNEY CORP.
Mar 1, 2025
Award(A)
Employee stock option (right to buy)
Direct
1.8M shares-
PROK
PROKIDNEY CORP.
Sep 13, 2024
Award(A)
Employee stock option (right to buy)
Direct
500K shares-

		Type	Shares	Price		Ownership
Mar 1, 2026	PROK PROKIDNEY CORP.	Award(A) Employee stock option (right to buy)	3,000,000	-	-	Direct
Mar 1, 2025	PROK PROKIDNEY CORP.	Award(A) Employee stock option (right to buy)	1,796,000	-	-	Direct
Sep 13, 2024	PROK PROKIDNEY CORP.	Award(A) Employee stock option (right to buy)	500,000	-	-	Direct

1-3 of 3 transactions

About Culleton Bruce

Culleton Bruce (SEC CIK 0001983742) files insider reports with the SEC as Chief Executive Officer of PROKIDNEY CORP. (PROK).

Signal8 holds 3 ownership filings by Culleton Bruce, all Form 4s, filed between Sep 16, 2024 and Mar 3, 2026. Those filings report 3 transactions, from Sep 13, 2024 to Mar 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Culleton Bruce's filings is in WINSTON SALEM, NC.

Recent filings by Culleton Bruce

Mar 1, 2026: Grant or award of PROK derivative securities (Form 4, code A).
Mar 1, 2025: Grant or award of PROK derivative securities (Form 4, code A).
Sep 13, 2024: Grant or award of PROK derivative securities (Form 4, code A).

Other insiders filing for PROKIDNEY CORP. (PROK)

Weber Darin J., Chief Regulatory Officer
Pereira Brian JG, Director
Locke Kenneth Thomas, Chief Technical Officer
Girolamo Todd C, Chief Legal Officer
Lotvin Alan, Director
Jimenez Santos Jose Ignacio, Director

How to read Form 4 transaction codes