DAWES KAREN A - Insider Non-Derivative Transactions at REPLIGEN CORP (RGEN) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 17, 2025, DAWES KAREN A's relationship to REPLIGEN CORP (RGEN) is Director, and currently has 91,821 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other RGEN insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

DAWES KAREN A - Insider Non-Derivative Transactions of RGEN Common Stock

DAWES KAREN A - Insider Non-Derivative Transactions at RGEN

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 18, 2025	Sell -- (Common Stock)	275	161	91821
May 16, 2025	Acquisition -- (Common Stock)	973	0	92096
Jun 15, 2024	M -- (Common Stock)	2953	67.71	88170
May 17, 2024	Acquisition -- (Common Stock)	803	0	88170
Feb 28, 2024	Sell -- (Common Stock)	1000	193.35	87367
Feb 28, 2024	M -- (Common Stock)	4626	42.07	88367
Aug 30, 2023	Sell -- (Common Stock)	850	171.38	83741
Aug 30, 2023	M -- (Common Stock)	7392	18.12	84591
May 19, 2023	Acquisition -- (Common Stock)	798	0	77199