Insider Transactions Reported by 17 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
Anthony Hunt Director $14.9M -$17.9M -54.5% 04 Dec 2025
KAREN A. DAWES Director $14.8M -$44.3K -0.3% 17 Dec 2025
Olivier Loeillot Chief Executive Officer, Director $6.1M -$1.2M -16.4% 25 Nov 2025
Jon Snodgres Chief Financial Officer $5.5M 16 May 2023
Christine Gebski SVP, Filtration & Chromatography $4.48M 14 May 2024
James Bylund Chief Operating Officer $3.25M -$331K -9.24% 18 Nov 2025
RALF KURIYEL Senior VP, R&D $2.5M 03 Mar 2025
Jason K. Garland Cfo $1.63M 25 Sep 2025
GLENN P. MUIR Director $957K 16 Dec 2025
Martin D. Madaus Director $928K +$202K +27.8% 08 Aug 2025
MANNER CARRIE EGLINTON Director $623K 15 May 2025
NICOLAS BARTHELEMY Director $619K 15 May 2025
Rohin Mhatre Director $560K 15 May 2025
Violetta Hughes Chief Accounting Officer $527K 02 Sep 2025
Konstantin Konstantinov Director $404K 15 May 2025
Margaret Pax Director $281K +$37.7K +15.5% 15 May 2025
THOMAS F. RYAN JR Director $214K 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.