Loeillot Olivier (CIK 1995525) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-21). Recent activity: Buy RGEN (5,426 shares), Sell RGEN (5,426 shares), Sell RGEN (3,832 shares), Buy RGEN (24,134 shares), Sell RGEN (344 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | REPLIGEN CORP (RGEN) | Chief Executive Officer | Buy | 5,426 | $769,353 |
| 2026-08-21 | REPLIGEN CORP (RGEN) | Chief Executive Officer | Sell | 5,426 | $976,680 |
| 2026-04-22 | REPLIGEN CORP (RGEN) | Chief Executive Officer | Sell | 3,832 | $536,480 |
| 2026-03-23 | REPLIGEN CORP (RGEN) | Chief Executive Officer | Buy | 24,134 | $0 |
| 2026-03-03 | REPLIGEN CORP (RGEN) | Chief Executive Officer | Sell | 344 | $44,283 |
| 2026-03-03 | REPLIGEN CORP (RGEN) | Chief Executive Officer | Sell | 1,610 | $201,202 |
| 2025-11-26 | REPLIGEN CORP (RGEN) | Chief Executive Officer | Sell | 7,041 | $1.2M |
| 2025-10-06 | REPLIGEN CORP (RGEN) | Chief Executive Officer | Sell | 1,248 | $181,247 |
| 2025-09-04 | REPLIGEN CORP (RGEN) | Chief Executive Officer | Sell | 2,506 | $291,147 |
| 2025-03-04 | REPLIGEN CORP (RGEN) | Chief Executive Officer | Buy | 14,480 | $0 |
Source: SEC Form 4 filings · as of 2026-08-21