Anthony Hunt - Sep 3, 2024 Form 4 Insider Report for REPLIGEN CORP (RGEN)

Role: Director
Signature: /s/ Kenneth O'Brien (Attorney in Fact)
Stock symbol: RGEN
Transactions as of: Sep 3, 2024
Transactions value $: $0
Form type: 4
Date filed: 9/4/2024, 07:25 PM
Previous filing: Jun 14, 2024
Next filing: Sep 12, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RGEN	Common Stock	Disposed to Issuer	$0	-13.1K	-7.96%	$0.00	152K	Sep 3, 2024	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)	Disposed to Issuer	$0	-13.1K	-66.67%	$0.00	6.53K	Sep 3, 2024	Common Stock	13.1K	$192.71	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	On June 28, 2024 (the "Effective Date"), the Issuer and Mr. Hunt entered into an amendment (the "2024 Equity Award Amendment") to certain of Mr. Hunt's equity awards, pursuant to which, effective as of September 1, 2024, Mr. Hunt forfeited two thirds of the number of shares of the Issuer's Common Stock underlying the time-based restricted stock unit award, performance-based restricted stock unit awards and stock option granted to Mr. Hunt on February 27, 2024 that remain outstanding as of the Effective Date.
F2	Pursuant to the 2024 Equity Award Amendment, one third of the remaining stock options will vest and become exercisable on February 27, 2025, February 27, 2026, and February 27, 2027.

Content

On June 28, 2024 (the "Effective Date"), the Issuer and Mr. Hunt entered into an amendment (the "2024 Equity Award Amendment") to certain of Mr. Hunt's equity awards, pursuant to which, effective as of September 1, 2024, Mr. Hunt forfeited two thirds of the number of shares of the Issuer's Common Stock underlying the time-based restricted stock unit award, performance-based restricted stock unit awards and stock option granted to Mr. Hunt on February 27, 2024 that remain outstanding as of the Effective Date.

Pursuant to the 2024 Equity Award Amendment, one third of the remaining stock options will vest and become exercisable on February 27, 2025, February 27, 2026, and February 27, 2027.