Repligen Corp

Ownership Transactions Reported by 17 Insiders

Symbol
RGEN on Nasdaq
Location
41 Seyon Street, Building 1, Suite 100, 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 $12.8M May 15, 2025
Olivier Loeillot Chief Executive Officer, Director $6.1M -$1.2M -16.4% Nov 25, 2025
Jon Snodgres Chief Financial Officer $5.5M May 16, 2023
Glenn P. Muir Director $4.64M May 15, 2025
Christine Gebski SVP, Filtration & Chromatography $4.48M May 14, 2024
James Bylund Chief Operating Officer $3.25M -$331K -9.24% Nov 18, 2025
Anthony Hunt Director $2.83M -$17.9M -86.3% Nov 13, 2025
Ralf Kuriyel Senior VP, R&D $2.5M Mar 3, 2025
Jason K. Garland Cfo $1.63M Sep 25, 2025
Martin D. Madaus Director $898K +$202K +29% Aug 8, 2025
Manner Carrie Eglinton Director $623K May 15, 2025
Nicolas Barthelemy Director $619K May 15, 2025
Rohin Mhatre Director $560K May 15, 2025
Violetta Hughes Chief Accounting Officer $527K Sep 2, 2025
Konstantin Konstantinov Director $404K May 15, 2025
Margaret Pax Director $281K +$37.7K +15.5% May 15, 2025
Thomas F. Ryan Jr Director $214K Mar 1, 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.