Brian Robb Douglass - 02 Mar 2026 Form 4 Insider Report for REPLIGEN CORP (RGEN)

Role
CHIEF PRODUCT OFFICER
Signature
/s/ Jennifer Carmichael (Attorney in Fact)
Issuer symbol
RGEN
Transactions as of
02 Mar 2026
Net transactions value
-$27,618
Form type
4
Filing time
03 Mar 2026, 12:48:01 UTC
Previous filing
12 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Douglass Brian Robb CHIEF PRODUCT OFFICER C/O REPLIGEN CORPORATION, 41 SEYON ST., BLDG 1, STE 100, WALTHAM /s/ Jennifer Carmichael (Attorney in Fact) 03 Mar 2026 0002104618

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RGEN Common Stock Tax liability $27,618 -221 -2.6% $124.97 8,319 02 Mar 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.