KURIYEL RALF (CIK 1733143) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-23). Recent activity: Buy RGEN (5,284 shares), Buy RGEN (125 shares), Sell RGEN (42 shares), Sell RGEN (444 shares), Sell RGEN (923 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-23 | REPLIGEN CORP (RGEN) | Senior VP, R&D | Buy | 5,284 | $0 |
| 2026-03-05 | REPLIGEN CORP (RGEN) | Senior VP, R&D | Buy | 125 | $0 |
| 2026-03-05 | REPLIGEN CORP (RGEN) | Senior VP, R&D | Sell | 42 | $5,285 |
| 2026-03-03 | REPLIGEN CORP (RGEN) | Senior VP, R&D | Sell | 444 | $57,156 |
| 2026-03-03 | REPLIGEN CORP (RGEN) | Senior VP, R&D | Sell | 923 | $115,347 |
| 2025-03-04 | REPLIGEN CORP (RGEN) | Senior VP, R&D | Buy | 4,826 | $0 |
| 2025-03-04 | REPLIGEN CORP (RGEN) | Senior VP, R&D | Sell | 386 | $59,977 |
| 2025-02-28 | REPLIGEN CORP (RGEN) | Senior VP, R&D | Sell | 391 | $61,207 |
| 2025-02-25 | REPLIGEN CORP (RGEN) | Senior VP, R&D | Sell | 275 | $45,304 |
Source: SEC Form 4 filings · as of 2026-03-23