REPLIGEN CORP (RGEN) has 203 open-market insider trades by 28 insiders since 2003. Over the last six months insiders net sold $536K. The most active filer is Anthony Hunt, Director.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Anthony Hunt | Dir | — | 32 | $152.5M | 2026-03-02 |
| Roy T. Eddleman | 10% Owner | — | 4 | $36.6M | 2018-08-09 |
| Karen A. Dawes | Dir | — | 26 | $32.5M | 2026-05-14 |
| Ralf Kuriyel | VP | — | 18 | $19.7M | 2026-03-05 |
| Jon Snodgres | CFO | — | 17 | $19.0M | 2023-05-16 |
| Walter C. Herlihy | CEOPres | — | 10 | $11.6M | 2015-05-12 |
| Thomas F. Ryan Jr. | Dir | — | 28 | $8.3M | 2022-03-01 |
| John Cox | Dir | — | 4 | $7.2M | 2020-03-24 |
| Howard Benjamin | VP | — | 7 | $5.3M | 2017-12-14 |
| Christine Gebski | — | — | 5 | $5.1M | 2024-05-14 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Olivier Loeillot | CEO | Sell | $1.0M | 2026-10-05 |
| Olivier Loeillot | CEO | Sell | $2.5M | 2026-09-24 |
| Olivier Loeillot | CEO | Sell | $977K | 2026-09-21 |
| Olivier Loeillot | CEO | Sell | $504K | 2026-09-04 |
| Olivier Loeillot | CEO | Sell | $977K | 2026-08-20 |
| Jason K. Garland | CFO | Sell | $80K | 2026-07-16 |
Companies that share insiders with RGEN, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Jason K. Garland | CFO | Sell | $106K | 2026-06-25 |
| Olivier Loeillot | CEO | Sell | $536K | 2026-04-21 |
| Karen A. Dawes | Director | Sell | $44K | 2025-12-17 |
| Olivier Loeillot | CEO | Sell | $1.2M | 2025-11-25 |
| James Bylund | COO | Sell | $663K | 2025-11-18 |
| Anthony Hunt | Director | Sell | $5.5M | 2025-11-13 |
| Anthony Hunt | Director | Sell | $7.1M | 2025-11-12 |
| Anthony Hunt | Director | Sell | $7.0M | 2025-09-10 |
| Martin D. Madaus | Director | Buy | $202K | 2025-08-08 |