Anthony Hunt - 02 Mar 2026 Form 4 Insider Report for REPLIGEN CORP (RGEN)

Reporting relationship: Director
Issuer ticker: RGEN
Reported as of: 02 Mar 2026
Net transaction value: -$1,236,828
SEC form: 4
Accepted by SEC: 03 Mar 2026, 13:38:29 UTC
Prior SEC filing: 26 Feb 2026
Next SEC filing: 12 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Jennifer Carmichael (Attorney in Fact)

Key filing fact

Anthony Hunt filed Form 4 for REPLIGEN CORP (RGEN) on 03 Mar 2026.

Key facts

This page summarizes Anthony Hunt's Form 4 filing for REPLIGEN CORP (RGEN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 03 Mar 2026, 13:38.

Change

Previous filing in this sequence was filed on 26 Feb 2026.
Current net transaction value: -$1,236,828.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001606030 Primary reporting owner

Hunt Anthony

Relationship: Director
Address: C/O REPLIGEN CORPORATION, 41 SEYON ST., BLDG 1, STE 100, WALTHAM
Signature: /s/ Jennifer Carmichael (Attorney in Fact)
Signature date: 03 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RGEN transaction

Common Stock

Tax liability

Transaction value: $1,236,828
Shares: -9,897
Change %: -10%
Price: $124.97
Shares after: 89,062
Date: 02 Mar 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.