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 |
| 2025-12-12 Purchase | 2025-12-16 6:38 pm | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 52,000 | $0.5837 | $30,352 | 3,322,990 (Direct) | View |
| 2025-11-19 Purchase | 2025-11-20 6:02 pm | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 35,000 | $0.4951 | $17,329 | 3,271,453 (Direct) | View |
| 2025-11-17 Sale | 2025-11-19 4:19 pm | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 32,456 | $0.454 | $14,735 | 3,236,453 (Direct) | View |
| 2025-09-08 Sale | 2025-09-10 5:29 pm | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 488 | $0.5 | $244 | 3,268,909 (Direct) | View |
| 2025-06-09 Sale | 2025-06-11 5:05 pm | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 475 | $0.622 | $295 | 1,681,783 (Direct) | View |
| 2025-05-16 Sale | 2025-05-20 4:19 pm | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 29,552 | $0.546 | $16,135 | 1,682,258 (Direct) | View |
| 2025-03-10 Sale | 2025-03-12 7:30 pm | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 2,235 | $0.615 | $1,375 | 2,233,310 (Direct) | View |
| 2025-02-18 Sale | 2025-02-20 4:00 pm | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 34,712 | $0.783 | $27,179 | 1,192,545 (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 |
| 2025-12-10 Tax Withholding | 2025-12-12 4:16 pm | N/A N/A | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 463 | $0.526 | 3,270,990 (Direct) | View |
| 2025-08-14 Option Award | 2025-08-18 4:14 pm | N/A N/A | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 1,587,614 | $0 | 3,269,397 (Direct) | View |
| 2025-03-11 Option Award | 2025-03-12 7:30 pm | N/A 2035-03-11 | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 521,500 | $0 | 2,233,310 (Direct) | View |
| 2024-12-04 Tax Withholding | 2024-12-06 4:57 pm | N/A N/A | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 243,447 | $1.44 | 1,227,257 (Direct) | View |
| 2024-03-07 Option Award | 2024-03-18 5:48 pm | N/A 2034-03-07 | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 121,975 | $0 | 1,575,254 (Direct) | View |
| 2024-03-07 Option Award | 2024-03-11 7:37 pm | N/A 2034-03-07 | Butterfly Network Inc. | BFLY | Pfeiffenberger Brent President and CEO | 121,975 | $0 | 1,575,254 (Direct) | View |
| 2023-12-04 Option Award | 2023-12-06 4:07 pm | N/A 2033-12-04 | Century Therapeutics Inc. | IPSC | Pfeiffenberger Brent President and CEO | 2,026,970 | $0 | 2,026,970 (Direct) | View |