Ralf Kuriyel

CIK: 0001733143

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 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)6 (66.7%)

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

Companies & Roles (1)

RGEN

REPLIGEN CORP

Officer

Discretionary Trading P&L

Holdings

Transaction History (9 total)

RGEN
REPLIGEN CORP
Mar 5, 2026
Award(A)
Direct
5.3K shares-
RGEN
REPLIGEN CORP
Mar 4, 2026
Tax Payment(F)
Direct
42 shares at avg. $125.84$5K
RGEN
REPLIGEN CORP
Mar 4, 2026
Award(A)
Direct
125 shares-
RGEN
REPLIGEN CORP
Mar 2, 2026
Tax Payment(F)
Direct
923 shares at avg. $124.97$115K
RGEN
REPLIGEN CORP
Feb 27, 2026
Tax Payment(F)
Direct
444 shares at avg. $128.73$57K
RGEN
REPLIGEN CORP
Mar 3, 2025
Award(A)
Direct
4.8K shares-
RGEN
REPLIGEN CORP
Mar 3, 2025
Tax Payment(F)
Direct
386 shares at avg. $155.38$60K
RGEN
REPLIGEN CORP
Feb 27, 2025
Tax Payment(F)
Direct
391 shares at avg. $156.54$61K
RGEN
REPLIGEN CORP
Feb 24, 2025
Tax Payment(F)
Direct
275 shares at avg. $164.74$45K

		Type	Shares	Price		Ownership
Mar 5, 2026	RGEN REPLIGEN CORP	Award(A)	5,284	-	$0	Direct
Mar 4, 2026	RGEN REPLIGEN CORP	Tax Payment(F)	42	$125.84	$5,285	Direct
Mar 4, 2026	RGEN REPLIGEN CORP	Award(A)	125	-	$0	Direct
Mar 2, 2026	RGEN REPLIGEN CORP	Tax Payment(F)	923	$124.97	$115,347	Direct
Feb 27, 2026	RGEN REPLIGEN CORP	Tax Payment(F)	444	$128.73	$57,156	Direct
Mar 3, 2025	RGEN REPLIGEN CORP	Award(A)	4,826	-	-	Direct
Mar 3, 2025	RGEN REPLIGEN CORP	Tax Payment(F)	386	$155.38	$59,977	Direct
Feb 27, 2025	RGEN REPLIGEN CORP	Tax Payment(F)	391	$156.54	$61,207	Direct
Feb 24, 2025	RGEN REPLIGEN CORP	Tax Payment(F)	275	$164.74	$45,304	Direct

1-9 of 9 transactions

About KURIYEL RALF

KURIYEL RALF (SEC CIK 0001733143) files insider reports with the SEC as Senior VP, R&D of REPLIGEN CORP (RGEN).

Signal8 holds 6 ownership filings by KURIYEL RALF, all Form 4s, filed between Feb 25, 2025 and Mar 23, 2026. Those filings report 9 transactions, from Feb 24, 2025 to Mar 5, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on KURIYEL RALF's filings is in WALTHAM, MA.

Recent filings by KURIYEL RALF

Mar 5, 2026: Grant or award of RGEN shares (Form 4, code A).
Mar 4, 2026: Tax withholding of RGEN shares (Form 4, code F).
Mar 4, 2026: Grant or award of RGEN shares (Form 4, code A).
Mar 2, 2026: Tax withholding of RGEN shares (Form 4, code F).
Feb 27, 2026: Tax withholding of RGEN shares (Form 4, code F).

Other insiders filing for REPLIGEN CORP (RGEN)

Douglass Brian Robb, CHIEF PRODUCT OFFICER
Loeillot Olivier, Chief Executive Officer
Garland Jason K, CFO
Hughes Violetta, CHIEF ACCOUNTING OFFICER
Madaus Martin D, Director
Konstantinov Konstantin, Director

How to read Form 4 transaction codes