Martin D Madaus Repligen Corp (RGEN) insider trading activity

Martin D Madaus is of REPLIGEN CORP. Currently has a direct ownership of 5,586 shares of RGEN, which is worth approximately $692,887. The most recent transaction as insider was on May 15, 2025, when has been sold 973 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 5.59K

21.09% 3M change

21.09% 12M change

Total Value Held $692,887

Martin D Madaus Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
May 15 2025	BUY Grant, award, or other acquisition	-	973 Added 14.83%	5,586 Common Stock
Jun 14 2024	BUY Open market or private purchase	$201,875 $125.0 p/Share	1,615 Added 25.93%	4,613 Common Stock
May 16 2024	BUY Grant, award, or other acquisition	-	701 Added 18.95%	2,998 Common Stock
May 18 2023	BUY Grant, award, or other acquisition	-	686 Added 23.0%	2,297 Common Stock
May 08 2023	BUY Open market or private purchase	$78,090 $156.18 p/Share	500 Added 23.69%	1,611 Common Stock
May 05 2023	BUY Open market or private purchase	$79,595 $159.19 p/Share	500 Added 31.04%	1,111 Common Stock
May 04 2023	BUY Open market or private purchase	$80,575 $161.15 p/Share	500 Added 45.0%	611 Common Stock
Feb 06 2023	BUY Grant, award, or other acquisition	-	111 Added 50.0%	111 Common Stock

Also insider at

QTRX

Quanterix Corp Healthcare

LAB

STANDARD BIOTOOLS INC. Healthcare

AZTA

Azenta, Inc. Healthcare

HOLX

HOLOGIC INC Healthcare

Director

MDM

Martin D Madaus

Billerica, MA

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