Insider Transactions Reported by 18 Insiders of REPLIGEN CORP

Symbol
RGEN on Nasdaq
Location
Waltham, MA

Insiders trading volume in the past year

REPLIGEN CORP executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
KAREN A. DAWES Director $14,783,181 -$44,275 -0.3% 17 Dec 2025
Anthony Hunt Director $14,744,891 -$17,874,958 -55% 04 Dec 2025
Olivier Loeillot Chief Executive Officer, Director $6,102,660 -$1,196,970 -16% 25 Nov 2025
Jon Snodgres Chief Financial Officer $5,499,867 16 May 2023
Christine Gebski SVP, Filtration & Chromatography $4,478,619 14 May 2024
James Bylund Chief Operating Officer $3,254,039 -$331,301 -9.2% 18 Nov 2025
RALF KURIYEL Senior VP, R&D $2,495,714 03 Mar 2025
Jason K. Garland Cfo $1,628,443 25 Sep 2025
Brian Robb Douglass Chief Product Officer $1,399,364 31 Dec 2025
GLENN P. MUIR Director $956,566 16 Dec 2025
Martin D. Madaus Director $897,984 +$201,830 +29% 08 Aug 2025
MANNER CARRIE EGLINTON Director $622,694 15 May 2025
NICOLAS BARTHELEMY Director $619,208 15 May 2025
Rohin Mhatre Director $560,369 15 May 2025
Violetta Hughes Chief Accounting Officer $526,655 02 Sep 2025
Konstantin Konstantinov Director $403,510 15 May 2025
Margaret Pax Director $281,090 +$37,673 +15% 15 May 2025
THOMAS F. RYAN JR Director $214,368 01 Mar 2022

Recent Insider Transactions by Companies or Individuals for REPLIGEN CORP

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.