Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-10-05 Sale | 2026-10-06 4:18 pm | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 5,535 | $187.29 | $1,036,654 | 54,193 (Direct) | View |
| 2026-09-24 Sale | 2026-09-25 4:09 pm | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 12,946 | $190 | $2,459,740 | 70,061 (Direct) | View |
| 2026-09-21 Sale | 2026-09-22 4:07 pm | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 5,426 | $180 | $976,680 | 53,795 (Direct) | View |
| 2026-09-04 Sale | 2026-09-08 4:13 pm | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 3,035 | $165.9 | $503,507 | 48,369 (Direct) | View |
| 2026-08-20 Sale | 2026-08-21 4:06 pm | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 5,426 | $180 | $976,680 | 65,098 (Direct) | View |
| 2026-04-21 Sale | 2026-04-22 1:26 pm | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 3,832 | $140 | $536,480 | 54,246 (Direct) | View |
| 2025-11-25 Sale | 2025-11-26 4:30 pm | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 7,041 | $170 | $1,196,970 | 35,898 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-10-05 Exercise | 2026-10-06 4:18 pm | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 4,202 | $154.96 | 54,193 (Direct) | View |
| 2026-10-05 Exercise | 2026-10-06 4:18 pm | N/A 2033-10-02 | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 4,202 | $0 | 54,193 (Direct) | View |
| 2026-10-02 Tax Withholding | 2026-10-05 4:01 pm | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 1,248 | $181.7 | 47,121 (Direct) | View |
| 2026-09-24 Exercise | 2026-09-25 4:09 pm | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 8,404 | $154.96 | 70,061 (Direct) | View |
| 2026-09-24 Exercise | 2026-09-25 4:09 pm | N/A 2033-10-02 | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 12,946 | $0 | 70,061 (Direct) | View |
| 2026-09-24 Exercise | 2026-09-25 4:09 pm | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 4,542 | $155.38 | 70,061 (Direct) | View |
| 2026-09-21 Exercise | 2026-09-22 4:07 pm | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 5,426 | $141.79 | 53,795 (Direct) | View |
| 2026-09-21 Exercise | 2026-09-22 4:07 pm | 2027-09-03 2034-09-03 | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 5,426 | $0 | 53,795 (Direct) | View |
| 2026-09-03 Tax Withholding | 2026-09-08 4:13 pm | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 2,842 | $169.61 | 48,369 (Direct) | View |
| 2026-08-20 Exercise | 2026-08-21 4:06 pm | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 5,426 | $141.79 | 65,098 (Direct) | View |
| 2026-08-20 Exercise | 2026-08-21 4:06 pm | N/A 2034-09-03 | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 5,426 | $0 | 65,098 (Direct) | View |
| 2026-03-05 Option Award | 2026-03-23 11:53 am | N/A 2036-03-05 | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 50,024 | $0 | 83,968 (Direct) | View |
| 2026-03-02 Tax Withholding | 2026-03-03 1:39 pm | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 1,610 | $124.97 | 33,944 (Direct) | View |
| 2026-02-27 Tax Withholding | 2026-03-03 1:39 pm | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 344 | $128.73 | 33,944 (Direct) | View |
| 2025-10-02 Tax Withholding | 2025-10-06 10:59 am | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 1,248 | $145.23 | 42,939 (Direct) | View |
| 2025-09-03 Tax Withholding | 2025-09-04 10:55 am | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 2,506 | $116.18 | 44,187 (Direct) | View |
| 2025-03-03 Option Award | 2025-03-04 1:18 pm | N/A 2035-03-03 | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 28,107 | $0 | 60,320 (Direct) | View |
| 2025-02-27 Tax Withholding | 2025-02-28 4:30 pm | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 343 | $156.54 | 32,213 (Direct) | View |
| 2024-11-20 Tax Withholding | 2024-11-21 1:32 pm | N/A N/A | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 861 | $123.41 | 32,556 (Direct) | View |
| 2024-09-03 Option Award | 2024-09-04 8:41 pm | N/A 2034-09-03 | REPLIGEN CORP | RGEN | Loeillot Olivier Chief Executive Officer | 33,909 | $0 | 49,695 (Direct) | View |
| 2024-02-27 Option Award | 2024-02-29 7:07 pm | N/A 2034-02-27 | REPLIGEN CORP | RGEN | Loeillot Olivier President and CCO | 5,740 | $0 | 18,646 (Direct) | View |
| 2023-10-02 Option Award | 2023-10-03 8:44 pm | N/A 2033-10-02 | REPLIGEN CORP | RGEN | Loeillot Olivier President and CCO | 37,142 | $0 | 37,142 (Direct) | View |