REPLIGEN CORP insider trading
RGEN$189.50+7.80 (+4.29% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+26.2%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- KAKaren A. Dawes0.1645%
- AHAnthony Hunt0.1578%
- OLOlivier Loeillot0.0835%
- GPGlenn P. Muir0.071%
- JBJames Bylund0.045%
- RKRalf Kuriyel0.0355%
- JKJason K. Garland0.0326%
- MDMartin D. Madaus0.0149%
- BRBrian Robb Douglass0.0141%
- VHVioletta Hughes0.0112%
AI Activity Analysis
PremiumComing soon
Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| RGEN | Olivier Loeillot | Open market sell$504K | -5.9% | $165.90 | $504K | Sep 4, 2026 | Sep 8, 2026 |
| RGEN | Jason K. Garland | Open market sell$79.5K | -2.7% | $150.00 | $79.5K | Jul 16, 2026 | Jul 17, 2026 |
| RGEN | Jason K. Garland | Open market sell$106K | -3.7% | $145.00 | $106K | Jun 25, 2026 | Jun 26, 2026 |
| RGEN | Olivier Loeillot | Open market sell$536K | -6.6% | $140.00 | $536K | Apr 21, 2026 | Apr 22, 2026 |
| RGEN | Karen A. Dawes | Open market sell$44.3K | -0.3% | $161.00 | $44.3K | Dec 17, 2025 | Dec 18, 2025 |
| RGEN | Olivier Loeillot | Open market sell$1.2M | -16.4% | $170.00 | $1.2M | Nov 25, 2025 | Nov 26, 2025 |
| RGEN | James Bylund | Open market sell$331K | -9.2% | $151.21 | $331K | Nov 18, 2025 | Nov 19, 2025 |