Olivier Loeillot - 27 Feb 2026 Form 4 Insider Report for REPLIGEN CORP (RGEN)

Role
Chief Executive Officer, Director
Signature
/s/ Jennifer Carmichael (Attorney in Fact)
Issuer symbol
RGEN
Transactions as of
27 Feb 2026
Net transactions value
-$245,485
Form type
4
Filing time
03 Mar 2026, 13:39:26 UTC
Previous filing
26 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Loeillot Olivier Chief Executive Officer, Director C/O REPLIGEN CORPORATION, 41 SEYON ST., BLDG 1, STE 100, WALTHAM /s/ Jennifer Carmichael (Attorney in Fact) 03 Mar 2026 0001995525

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RGEN Common Stock Tax liability $44,283 -344 -0.96% $128.73 35,554 27 Feb 2026 Direct F1
transaction RGEN Common Stock Tax liability $201,202 -1,610 -4.5% $124.97 33,944 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.