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 |
2024-04-01 Sale | 2024-04-03 9:50 pm | Atreca Inc. | BCEL | Serafini Tito Director | 20,788 | $0.07 | $1,455 | 322,511 (Indirect Direct) | View |
2023-09-01 Sale | 2024-04-03 9:35 pm | Atreca Inc. | BCEL | Serafini Tito Director | 8,393 | $0.3746 | $3,144 | 343,299 (Indirect Direct) | View |
2023-08-02 Sale | 2023-08-04 6:56 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 5,487 | $0.9522 | $5,225 | 351,692 (Indirect Direct) | View |
2022-09-02 Sale | 2022-09-20 6:13 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 7,646 | $1.7752 | $13,573 | 313,429 (Indirect Direct) | View |
2022-06-28 Sale | 2022-06-30 5:46 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 15,000 | $2.0177 | $30,266 | 321,075 (Indirect Direct) | View |
2022-03-04 Sale | 2022-03-08 4:54 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 30,000 | $5 | $150,000 | 336,075 (Indirect Direct) | View |
2021-09-27 Sale | 2021-09-28 5:37 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 30,000 | $6.5847 | $197,541 | 316,075 (Indirect Direct) | View |
2021-03-11 Sale | 2021-03-15 7:09 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 10,000 | $18.31 | $183,130 | 353,875 (Indirect) | View |
2021-02-11 Sale | 2021-02-16 5:31 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 10,000 | $18.93 | $189,272 | 363,875 (Indirect) | View |
2021-01-11 Sale | 2021-01-13 5:14 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 10,000 | $15.02 | $150,192 | 373,875 (Indirect) | View |
2020-12-11 Sale | 2020-12-15 5:16 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 10,000 | $15.87 | $158,735 | 383,875 (Indirect) | View |
2020-11-16 Sale | 2020-11-17 6:28 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 8,847 | $15.12 | $133,784 | 393,875 (Indirect) | View |
2020-11-11 Sale | 2020-11-13 6:16 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 1,153 | $15.1 | $17,407 | 3,655 (Indirect Direct) | View |
2020-10-12 Sale | 2020-10-13 7:29 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 10,000 | $15 | $150,000 | 403,875 (Indirect Direct) | View |
2020-10-06 Sale | 2020-10-08 5:16 pm | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 1,218 | $15.05 | $18,334 | 413,875 (Indirect 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 |
2023-02-09 Option Award | 2023-02-13 8:57 pm | N/A 2033-02-08 | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 218,750 | $0 | 532,179 (Direct) | View |
2022-06-13 Option Award | 2022-06-15 7:16 pm | N/A 2031-01-26 | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 374,540 | $0 | 374,540 (Direct) | View |
2021-12-23 Option Award | 2021-12-28 6:49 pm | N/A 2031-12-22 | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 95,000 | $0 | 461,075 (Direct) | View |
2021-09-20 Gift | 2021-09-28 5:37 pm | N/A N/A | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 50,000 | $0 | 316,075 (Indirect) | View |
2021-09-09 Option Award | 2021-09-13 9:42 pm | N/A N/A | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 42,200 | $0 | 396,075 (Direct) | View |
2021-01-27 Option Award | 2021-01-29 8:30 pm | N/A 2031-01-26 | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 95,000 | $0 | 95,000 (Direct) | View |
2020-11-12 Gift | 2020-11-13 6:16 pm | N/A N/A | Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer | 3,655 | $0 | 3,655 (Direct) | View |