Martin D. Madaus - Feb 6, 2023 Form 3/A - Amendment Insider Report for REPLIGEN CORP (RGEN)

Role: Director
Signature: /s/ Kimberly Brown (Attorney in Fact)
Stock symbol: RGEN
Transactions as of: Feb 6, 2023
Transactions value $: $0
Form type: 3/A - Amendment
Date filed: 5/5/2023, 05:25 PM
Date Of Original Report: Feb 8, 2023
Previous filing: Jan 4, 2023
Next filing: Feb 22, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	RGEN	Common Stock						2	Feb 6, 2023	By trust	F1

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

Explanation of Responses:

Id	Content
F1	Shares held by a revocable trust of which the Reporting Person's spouse serves as trustee. Such shares were unintentionally omitted from the Form 3 originally filed by the Reporting Person on February 8, 2023, and were also omitted from a Form 4 subsequently filed by the Reporting Person on the same date. The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

Content

Shares held by a revocable trust of which the Reporting Person's spouse serves as trustee. Such shares were unintentionally omitted from the Form 3 originally filed by the Reporting Person on February 8, 2023, and were also omitted from a Form 4 subsequently filed by the Reporting Person on the same date. The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.