Repligen Corp (RGEN) insider trading
Every open-market stock purchase and sale by Repligen Corp executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $9.2M over the last 12 months (7 sales). No open-market buys.
- Last insider buy: Martin D Madaus (Insider), $202K, 14 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $9.2M (7 sales). Last close $125.33 on Jun 7, 2026.
Recent RGEN insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 25, 2026 | Jason K Garland (CFO) | Sold | $106K |
| May 14, 2026 | Manner Carrie Eglinton (Insider) | Bought (not open market) | — |
| May 14, 2026 | Margaret Pax (Insider) | Bought (not open market) | — |
| May 14, 2026 | Martin D Madaus (Insider) | Bought (not open market) | — |
| May 14, 2026 | Karen A Dawes (Insider) | Bought (not open market) | — |
| May 14, 2026 | Martin D Madaus (Insider) | Bought (not open market) | — |
| May 14, 2026 | Glenn P Muir (Insider) | Bought (not open market) | — |
| May 14, 2026 | Konstantin Konstantinov (Insider) | Bought (not open market) | — |
| May 14, 2026 | Nicolas Barthelemy (Insider) | Bought (not open market) | — |
| May 14, 2026 | Manner Carrie Eglinton (Insider) | Bought (not open market) | — |
| May 14, 2026 | Karen A Dawes (Insider) | Bought (not open market) | — |
| May 14, 2026 | Glenn P Muir (Insider) | Bought (not open market) | — |
| May 14, 2026 | Rohin Mhatre (Insider) | Bought (not open market) | — |
| May 14, 2026 | Konstantin Konstantinov (Insider) | Bought (not open market) | — |
| May 14, 2026 | Margaret Pax (Insider) | Bought (not open market) | — |
| May 14, 2026 | Rohin Mhatre (Insider) | Bought (not open market) | — |
| May 14, 2026 | Nicolas Barthelemy (Insider) | Bought (not open market) | — |
| May 7, 2026 | Brian Robb Douglass (C-suite exec) | Sold (not open market) | $42.2K |
| May 7, 2026 | Glenn P Muir (Insider) | Bought (not open market) | — |
| Apr 21, 2026 | Olivier Loeillot (CEO) | Sold | $536K |
| Mar 5, 2026 | James Bylund (COO) | Bought (not open market) | — |
| Mar 5, 2026 | Jason K Garland (CFO) | Bought (not open market) | — |
| Mar 5, 2026 | Jason K Garland (CFO) | Bought (not open market) | — |
| Mar 5, 2026 | Ralf Kuriyel (VP) | Bought (not open market) | — |
| Mar 5, 2026 | Olivier Loeillot (CEO) | Bought (not open market) | — |
Who's trading RGEN
- Jason K Garland, CFO: sold $106K (1 sale), last Jun 25, 2026
- Karen A Dawes, Insider: sold $44.3K (1 sale), last May 14, 2026
- Nicolas Barthelemy, Insider: other filings, last May 14, 2026
- Manner Carrie Eglinton, Insider: other filings, last May 14, 2026
- Konstantin Konstantinov, Insider: other filings, last May 14, 2026
- Glenn P Muir, Insider: other filings, last May 14, 2026
- Martin D Madaus, Insider: other filings, last May 14, 2026
- Rohin Mhatre, Insider: other filings, last May 14, 2026
- Margaret Pax, Insider: other filings, last May 14, 2026
- Brian Robb Douglass, C-suite exec: other filings, last May 7, 2026
- Olivier Loeillot, CEO: sold $1.7M (2 sales), last Apr 21, 2026
- James Bylund, COO: sold $331K (1 sale), last Mar 5, 2026
- Ralf Kuriyel, VP: other filings, last Mar 5, 2026
- Anthony Hunt, Insider: sold $7M (12 sales), last Mar 2, 2026
Get free alerts when an insider at Repligen Corp files a new trade →