Margaret Pax

CIK: 0001999772

Transaction Breakdown

Open Market Buys (P)1 (25.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (25.0%)

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

Companies & Roles (2)

RGEN

REPLIGEN CORP

Director

ALIM

ALIMERA SCIENCES INC

Director

Discretionary Trading P&L

Holdings

Transaction History (4 total)

RGEN
REPLIGEN CORP
May 14, 2026
Award(A)
Direct
995 shares-
RGEN
REPLIGEN CORP
May 15, 2025
Award(A)
Direct
973 shares-
RGEN
REPLIGEN CORP
Mar 17, 2025
Purchase(P)
Direct
250 shares at avg. $150.69$38K
ALIM
ALIMERA SCIENCES INC
Sep 16, 2024
Disposition(D)
Stock Option (Right to Buy)
Direct
36.7K shares-

		Type	Shares	Price		Ownership
May 14, 2026	RGEN REPLIGEN CORP	Award(A)	995	-	$0	Direct
May 15, 2025	RGEN REPLIGEN CORP	Award(A)	973	-	-	Direct
Mar 17, 2025	RGEN REPLIGEN CORP	Purchase(P)	250	$150.69	$37,673	Direct
Sep 16, 2024	ALIM ALIMERA SCIENCES INC	Disposition(D) Stock Option (Right to Buy)	36,713	-	-	Direct

1-4 of 4 transactions

About Pax Margaret

Pax Margaret (SEC CIK 0001999772) files insider reports with the SEC as Director of REPLIGEN CORP (RGEN) and Director of ALIMERA SCIENCES INC (ALIM).

Signal8 holds 4 ownership filings by Pax Margaret, all Form 4s, filed between Sep 18, 2024 and May 18, 2026. Those filings report 4 transactions, from Sep 16, 2024 to May 14, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Pax Margaret's filings is in ALPHARETTA, GA.

Recent filings by Pax Margaret

May 14, 2026: Grant or award of RGEN shares (Form 4, code A).
May 15, 2025: Grant or award of RGEN shares (Form 4, code A).
Mar 17, 2025: Open-market purchase of RGEN shares (Form 4, code P).
Sep 16, 2024: Disposition to issuer transaction of ALIM derivative securities (Form 4, code D).

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