Darin J. Weber

CIK: 0001936228

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (40.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (20.0%)

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

Companies & Roles (1)

PROK

PROKIDNEY CORP.

Officer

Discretionary Trading P&L

Holdings

Transaction History (5 total)

PROK
PROKIDNEY CORP.
Oct 28, 2026
Conversion(C)
Direct
200K shares-
PROK
PROKIDNEY CORP.
Mar 1, 2026
Award(A)
Employee stock option (right to buy)
Direct
400K shares-
PROK
PROKIDNEY CORP.
Jul 8, 2025
Sale(S)
Direct
103.5K shares at avg. $3.02$313K
PROK
PROKIDNEY CORP.
Mar 1, 2025
Award(A)
Employee stock option (right to buy)
Direct
450K shares-
PROK
PROKIDNEY CORP.
Sep 19, 2024
Sale(S)
Direct
16.4K shares at avg. $2.50$41K

		Type	Shares	Price		Ownership
Oct 28, 2026	PROK PROKIDNEY CORP.	Conversion(C)	200,000	-	$0	Direct
Mar 1, 2026	PROK PROKIDNEY CORP.	Award(A) Employee stock option (right to buy)	400,000	-	-	Direct
Jul 8, 2025	PROK PROKIDNEY CORP.	Sale(S)	103,480	$3.02	$312,510	Direct
Mar 1, 2025	PROK PROKIDNEY CORP.	Award(A) Employee stock option (right to buy)	450,000	-	-	Direct
Sep 19, 2024	PROK PROKIDNEY CORP.	Sale(S)	16,412	$2.50	$41,030	Direct

1-5 of 5 transactions

About Weber Darin J.

Weber Darin J. (SEC CIK 0001936228) files insider reports with the SEC as Chief Regulatory Officer of PROKIDNEY CORP. (PROK).

Signal8 holds 5 ownership filings by Weber Darin J., all Form 4s, filed between Sep 20, 2024 and Oct 30, 2026. Those filings report 5 transactions, from Sep 19, 2024 to Oct 28, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Weber Darin J.'s filings is in WINSTON-SALEM, NC.

Recent filings by Weber Darin J.

Oct 28, 2026: Conversion of PROK shares (Form 4, code C).
Mar 1, 2026: Grant or award of PROK derivative securities (Form 4, code A).
Jul 8, 2025: Open-market sale of PROK shares (Form 4, code S).
Mar 1, 2025: Grant or award of PROK derivative securities (Form 4, code A).
Sep 19, 2024: Open-market sale of PROK shares (Form 4, code S).

Other insiders filing for PROKIDNEY CORP. (PROK)

Pereira Brian JG, Director
Locke Kenneth Thomas, Chief Technical Officer
Girolamo Todd C, Chief Legal Officer
Lotvin Alan, Director
Jimenez Santos Jose Ignacio, Director
Fox Jennifer A., Director

How to read Form 4 transaction codes