Company · CIK 0000730272 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq
REPLIGEN CORP · RGEN
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 24, 2026 SForm 4 → | Sep 25, 4:09 pm EDT | Olivier LoeillotChief Executive Officer, Director | 12,946 | $190.00 | $2,459,740 | 48,369 | −21.1% | 10b5-1 |
| Sep 24, 2026 MForm 4 → | Sep 25, 4:09 pm EDT | Olivier LoeillotChief Executive Officer, Director | 12,946 | $155.11 | $2,008,020 | 52,911 | — | 10b5-1 |
| Sep 21, 2026 SForm 4 → | Sep 22, 4:07 pm EDT | Olivier LoeillotChief Executive Officer, Director | 5,426 | $180.00 | $976,680 | 48,369 | −10.1% | 10b5-1 |
| Sep 21, 2026 MForm 4 → | Sep 22, 4:07 pm EDT | Olivier LoeillotChief Executive Officer, Director | 5,426 | $141.79 | $769,353 | 53,795 | — | 10b5-1 |
| Sep 4, 2026 SForm 4 → | Sep 8, 4:13 pm EDT | Olivier LoeillotChief Executive Officer, Director | 3,035 | $165.90 | $503,507 | 48,369 | −5.90% | 10b5-1 |
| Sep 3, 2026 FForm 4 → | Sep 8, 4:13 pm EDT | Olivier LoeillotChief Executive Officer, Director | 2,842 | $169.61 | $482,032 | 51,404 | — | 10b5-1 |
| Aug 20, 2026 SForm 4 → | Aug 21, 4:06 pm EDT | Olivier LoeillotChief Executive Officer, Director | 5,426 | $180.00 | $976,680 | 54,246 | −9.09% | 10b5-1 |
| Aug 20, 2026 MForm 4 → | Aug 21, 4:06 pm EDT | Olivier LoeillotChief Executive Officer, Director | 5,426 | $141.79 | $769,353 | 59,672 | — | 10b5-1 |
| Jul 16, 2026 SForm 4 → | Jul 17, 4:40 pm EDT | Jason K GarlandCFO | 530 | $150.00 | $79,500 | 18,829 | −2.74% | 10b5-1 |
| Jun 25, 2026 SForm 4 → | Jun 26, 4:05 pm EDT | Jason K GarlandCFO | 733 | $145.00 | $106,285 | 19,359 | −3.65% | 10b5-1 |
| Mar 5, 2026 AFForm 4 → | Sep 2, 4:18 pm EDT | Violetta HughesCHIEF ACCOUNTING OFFICER | 2,743 | $170.02 | $47,096 | 6,331 | — | late |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 24, 2026 MForm 4 → | Sep 25, 4:09 pm EDT | Olivier LoeillotChief Executive Officer, Director | 12,946 | — | — | 9,085 | — | 10b5-1 |
| Sep 21, 2026 MForm 4 → | Sep 22, 4:07 pm EDT | Olivier LoeillotChief Executive Officer, Director | 5,426 | — | — | 5,426 | — | 10b5-1 |
| Aug 20, 2026 MForm 4 → | Aug 21, 4:06 pm EDT | Olivier LoeillotChief Executive Officer, Director | 5,426 | — | — | 10,852 | — | 10b5-1 |