Ralf Kuriyel - 02 Aug 2024 Form 4 Insider Report for REPLIGEN CORP (RGEN)

Role: Senior VP, R&D
Signature: /s/ Kenneth O'Brien (Attorney in Fact)
Issuer symbol: RGEN
Transactions as of: 02 Aug 2024
Net transactions value: -$1,123,949
Form type: 4
Filing time: 05 Aug 2024, 21:56:01 UTC
Previous filing: 01 Aug 2024
Next filing: 25 Feb 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RGEN	Common Stock	Sale	$1,111,217	-6,973	-36%	$159.36	12,288	02 Aug 2024	Direct
transaction	RGEN	Common Stock	Options Exercise	$15,068	+175	+1.4%	$86.10	12,463	02 Aug 2024	Direct
transaction	RGEN	Common Stock	Sale	$27,799	-175	-1.4%	$158.85	12,288	02 Aug 2024	Direct

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	+175		$0.000000^*	0	02 Aug 2024	Common Stock	175	$86.10	Direct	F1

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

Explanation of Responses:

Id	Content
F1	This option is fully vested and exercisable. Exhibit 24.1: Power of Attorney