Glenn P Muir Repligen Corp (RGEN) insider trading activity

Glenn P Muir is of REPLIGEN CORP. Currently has a direct ownership of 36,622 shares of RGEN, which is worth approximately $5.58 Million. The most recent transaction as insider was on Dec 16, 2025, when has been sold 3,366 shares (Common Stock) at a price of $26.12 per share, resulting in proceeds of $87,919. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 36.6K

10.12% 3M change

13.44% 12M change

Total Value Held $5.58 Million

GLENN P MUIR Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 16 2025	BUY Exercise of conversion of derivative security	$87,919 $26.12 p/Share	3,366 Added 8.42%	36,622 Common Stock
May 15 2025	BUY Grant, award, or other acquisition	-	973 Added 2.84%	33,256 Common Stock
Nov 19 2024	BUY Exercise of conversion of derivative security	$689,510 $36.29 p/Share	19,000 Added 37.05%	32,283 Common Stock
Aug 01 2024	BUY Exercise of conversion of derivative security	$181,450 $36.29 p/Share	5,000 Added 27.35%	13,283 Common Stock
May 16 2024	BUY Grant, award, or other acquisition	-	701 Added 7.8%	8,283 Common Stock
May 18 2023	BUY Grant, award, or other acquisition	-	686 Added 8.3%	7,582 Common Stock
May 26 2022	BUY Grant, award, or other acquisition	-	534 Added 7.19%	6,896 Common Stock

May 13 2021	BUY Grant, award, or other acquisition	-	457 Added 6.7%	6,362 Common Stock

Also insider at

GTHX

G1 Therapeutics, Inc. Healthcare

STIM

Neuronetics, Inc. Healthcare

GPM

Glenn P Muir

Waltham, MA

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells RGEN shares.

Notify only if

Value

Insider Trading

Get notified when an Repligen Corp insider buys or sells RGEN shares.

Notify only if

Operation

Value

Type

News

Receive news related to REPLIGEN CORP

Track Activities on RGEN

Account