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 |
2020-09-18 Sale |
2020-09-22 6:17 pm |
Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer |
8,782 | $15.11 | $132,664 | 415,093 (Indirect Direct) |
View |
2020-08-14 Sale |
2020-08-17 8:22 pm |
Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer |
10,000 | $15 | $150,000 | 423,875 (Indirect Direct) |
View |
2020-07-13 Sale |
2020-07-15 9:45 pm |
Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer |
10,000 | $20.2 | $202,018 | 433,875 (Indirect Direct) |
View |
2020-06-25 Sale |
2020-06-29 7:39 pm |
Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer |
600 | $25.01 | $15,008 | 443,875 (Indirect Direct) |
View |
2020-06-19 Sale |
2020-06-23 5:40 pm |
Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer |
5,100 | $20.03 | $102,148 | 444,475 (Indirect Direct) |
View |
2020-06-11 Sale |
2020-06-12 5:49 pm |
Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer |
10,000 | $16.47 | $164,686 | 449,575 (Indirect Direct) |
View |
2020-05-27 Sale |
2020-05-29 6:48 pm |
Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer |
800 | $20 | $16,004 | 459,575 (Indirect Direct) |
View |
2020-05-26 Sale |
2020-05-27 5:57 pm |
Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer |
200 | $20 | $4,000 | 460,375 (Indirect Direct) |
View |
2020-05-15 Sale |
2020-05-19 5:39 pm |
Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer |
3,900 | $20 | $78,004 | 460,575 (Indirect Direct) |
View |
2020-05-11 Sale |
2020-05-13 7:35 pm |
Atreca Inc. | BCEL | Serafini Tito Chief Strategy Officer |
10,000 | $18 | $180,025 | 464,475 (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 |