Anthony Hunt - Nov 11, 2022 Form 4 Insider Report for REPLIGEN CORP (RGEN)

Role: Chief Executive Officer, Director
Signature: /s/ Kimberly Brown (Attorney in Fact)
Stock symbol: RGEN
Transactions as of: Nov 11, 2022
Transactions value $: -$4,153,250
Form type: 4
Date filed: 11/14/2022, 04:43 PM
Previous filing: Sep 9, 2022
Next filing: Feb 28, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RGEN	Common Stock	Options Exercise	$847K	+25K	+14.02%	$33.87^*	203K	Nov 11, 2022	Direct
transaction	RGEN	Common Stock	Sale	-$5M	-25K	-12.3%	$200.00	178K	Nov 11, 2022	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RGEN	Stock Option (Right to Buy)	Options Exercise	$0	+25K	+270.39%	$0.00	34.2K	Nov 11, 2022	Common Stock	25K	$33.87	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Sale of common stock was effected pursuant to a 10(b)5-1 trading plan adopted on December 14, 2021.
F2	This option is fully vested and exercisable.