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 |
2021-09-02 Sale |
2021-09-03 4:18 pm |
SELECTA BIOSCIENCES INC | SELB | Brunn Carsten President and CEO |
4,523 | $4.51 | $20,399 | 284,060 (Direct) |
View |
2021-08-18 Purchase |
2021-08-20 6:09 pm |
SELECTA BIOSCIENCES INC | SELB | BARABE TIMOTHY C Director |
9,000 | $4 | $36,000 | 190,013 (Direct) |
View |
2021-06-02 Sale |
2021-06-03 4:30 pm |
SELECTA BIOSCIENCES INC | SELB | Brunn Carsten President and CEO |
4,806 | $4.378 | $21,041 | 288,583 (Direct) |
View |
2021-05-26 Purchase |
2021-05-27 6:00 pm |
SELECTA BIOSCIENCES INC | SELB | TRABER PETER G Chief Medical Officer |
20,000 | $3.9925 | $79,850 | 135,500 (Direct) |
View |
2021-05-24 Purchase |
2021-05-26 5:21 pm |
SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner |
1,900,000 | $3.7157 | $7,059,872 | 26,534,470 (Indirect Direct) |
View |
2021-05-24 Purchase |
2021-05-26 4:33 pm |
SELECTA BIOSCIENCES INC | SELB | TRABER PETER G Chief Medical Officer |
17,500 | $3.3656 | $58,898 | 115,500 (Direct) |
View |
2021-05-21 Purchase |
2021-05-25 4:27 pm |
SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner |
2,773,479 | $3.19 | $8,847,398 | 24,634,470 (Indirect Direct) |
View |
2021-03-26 Purchase |
2021-03-30 4:50 pm |
SELECTA BIOSCIENCES INC | SELB | BARABE TIMOTHY C Director |
10,000 | $4.1 | $41,000 | 181,013 (Direct) |
View |
2021-03-17 Purchase |
2021-03-19 5:34 pm |
SELECTA BIOSCIENCES INC | SELB | TRABER PETER G Chief Medical Officer |
20,000 | $4.5148 | $90,295 | 98,000 (Direct) |
View |
2021-03-17 Sale |
2021-03-19 5:33 pm |
SELECTA BIOSCIENCES INC | SELB | Johnston Lloyd P. COO and SVP, R&D |
15,128 | $4.4495 | $67,312 | 87,477 (Direct) |
View |
2021-03-02 Sale |
2021-03-03 5:21 pm |
SELECTA BIOSCIENCES INC | SELB | Brunn Carsten President and CEO |
5,461 | $4.2588 | $23,257 | 293,389 (Direct) |
View |
2020-12-14 Purchase |
2020-12-16 4:31 pm |
SELECTA BIOSCIENCES INC | SELB | TRABER PETER G Chief Medical Officer |
40,000 | $3.2356 | $129,424 | 40,000 (Direct) |
View |
2020-12-02 Sale |
2020-12-03 4:22 pm |
SELECTA BIOSCIENCES INC | SELB | Brunn Carsten President and CEO |
3,323 | $3.3506 | $11,134 | 188,850 (Direct) |
View |
2020-10-21 Purchase |
2020-10-23 5:12 pm |
SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner |
3,644,692 | $2.6219 | $9,555,907 | 21,860,991 (Indirect Direct) |
View |
2020-10-16 Purchase |
2020-10-20 6:07 pm |
SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner |
1,887,696 | $2.2971 | $4,336,230 | 18,216,299 (Indirect Direct) |
View |
2020-10-09 Purchase |
2020-10-14 4:18 pm |
SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner |
276,703 | $1.9966 | $552,465 | 16,328,603 (Indirect Direct) |
View |
2020-10-06 Purchase |
2020-10-08 5:50 pm |
SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner |
3,185,394 | $1.7094 | $5,445,213 | 16,051,900 (Indirect Direct) |
View |
2020-10-06 Purchase |
2020-10-08 4:25 pm |
SELECTA BIOSCIENCES INC | SELB | BARABE TIMOTHY C Director |
50,000 | $1.6797 | $83,985 | 171,013 (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 |
2021-09-24 Option Award |
2021-09-28 4:32 pm |
N/A 2031-09-23 |
SELECTA BIOSCIENCES INC | SELB | TRABER PETER G Chief Medical Officer |
63,500 | $0 | 199,000 (Direct) |
View |
2021-09-24 Option Award |
2021-09-28 4:32 pm |
N/A 2031-09-23 |
SELECTA BIOSCIENCES INC | SELB | Brunn Carsten President and CEO |
190,200 | $0 | 419,572 (Direct) |
View |
2021-09-20 Option Award |
2021-09-22 4:19 pm |
N/A 2031-09-19 |
SELECTA BIOSCIENCES INC | SELB | Tan Kevin Chief Financial Officer |
750,000 | $0 | 750,000 (Direct) |
View |
2021-09-01 Exercise |
2021-09-03 4:18 pm |
N/A N/A |
SELECTA BIOSCIENCES INC | SELB | Brunn Carsten President and CEO |
10,937 | $0 | 284,060 (Direct) |
View |
2021-06-23 Option Award |
2021-07-09 4:21 pm |
N/A 2031-06-22 |
SELECTA BIOSCIENCES INC | SELB | DeSilva Nishan M Director |
80,000 | $0 | 80,000 (Direct) |
View |
Ownership |
2021-06-03 4:31 pm |
N/A N/A |
SELECTA BIOSCIENCES INC | SELB | Donohue Ann K. VP Finance |
0 | $0 | 135,645 (Direct) |
View |
2021-06-01 Exercise |
2021-06-03 4:30 pm |
N/A N/A |
SELECTA BIOSCIENCES INC | SELB | Brunn Carsten President and CEO |
10,938 | $0 | 288,583 (Direct) |
View |
2021-05-07 Exercise |
2021-05-11 4:24 pm |
N/A 2021-09-07 |
SELECTA BIOSCIENCES INC | SELB | Kishimoto Takashi Kei Chief Scientific Officer |
13,629 | $0 | 177,778 (Direct) |
View |
2021-05-07 Exercise |
2021-05-11 4:24 pm |
N/A N/A |
SELECTA BIOSCIENCES INC | SELB | Kishimoto Takashi Kei Chief Scientific Officer |
13,629 | $2.77 | 177,778 (Direct) |
View |
2021-03-30 Option Award |
2021-04-01 6:49 pm |
N/A 2031-03-29 |
SELECTA BIOSCIENCES INC | SELB | ANDO GORAN Director |
40,000 | $0 | 40,000 (Direct) |
View |
2021-03-30 Option Award |
2021-04-01 6:35 pm |
N/A 2031-03-29 |
SELECTA BIOSCIENCES INC | SELB | ZENNER PATRICK J Director |
40,000 | $0 | 40,000 (Direct) |
View |
2021-03-30 Option Award |
2021-04-01 6:33 pm |
N/A 2031-03-29 |
SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner |
40,000 | $0 | 40,000 (Direct) |
View |
2021-03-30 Option Award |
2021-04-01 6:32 pm |
N/A 2031-03-29 |
SELECTA BIOSCIENCES INC | SELB | Sallin Aymeric Director |
40,000 | $0 | 40,000 (Direct) |
View |
2021-03-30 Option Award |
2021-04-01 6:31 pm |
N/A 2031-03-29 |
SELECTA BIOSCIENCES INC | SELB | Myers Scott Dunseth Director |
40,000 | $0 | 40,000 (Direct) |
View |
2021-03-30 Option Award |
2021-04-01 6:30 pm |
N/A 2031-03-29 |
SELECTA BIOSCIENCES INC | SELB | COX CARRIE SMITH Director |
60,000 | $0 | 60,000 (Direct) |
View |
2021-03-30 Option Award |
2021-04-01 6:28 pm |
N/A 2031-03-29 |
SELECTA BIOSCIENCES INC | SELB | BARABE TIMOTHY C Director |
40,000 | $0 | 40,000 (Direct) |
View |
2021-03-01 Exercise |
2021-03-03 5:21 pm |
N/A N/A |
SELECTA BIOSCIENCES INC | SELB | Brunn Carsten President and CEO |
10,937 | $0 | 293,389 (Direct) |
View |
2021-02-11 Exercise |
2021-02-16 6:10 pm |
N/A 2021-02-16 |
SELECTA BIOSCIENCES INC | SELB | Johnston Lloyd P. COO and SVP, R&D |
44,871 | $0 | 102,605 (Direct) |
View |
2021-02-11 Exercise |
2021-02-16 6:10 pm |
N/A N/A |
SELECTA BIOSCIENCES INC | SELB | Johnston Lloyd P. COO and SVP, R&D |
44,871 | $0.63 | 102,605 (Direct) |
View |
2021-01-04 Option Award |
2021-01-06 4:50 pm |
N/A 2031-01-03 |
SELECTA BIOSCIENCES INC | SELB | TRABER PETER G Chief Medical Officer |
268,000 | $0 | 308,000 (Direct) |
View |
2021-01-04 Option Award |
2021-01-06 4:50 pm |
N/A 2031-01-03 |
SELECTA BIOSCIENCES INC | SELB | Kishimoto Takashi Kei Chief Scientific Officer |
268,000 | $0 | 394,149 (Direct) |
View |
2021-01-04 Option Award |
2021-01-06 4:49 pm |
N/A 2031-01-03 |
SELECTA BIOSCIENCES INC | SELB | Johnston Lloyd P. COO and SVP, R&D |
268,000 | $0 | 287,734 (Direct) |
View |
2021-01-04 Option Award |
2021-01-06 4:49 pm |
N/A 2031-01-03 |
SELECTA BIOSCIENCES INC | SELB | Dahms Bradford D. Chief Financial Officer |
268,000 | $0 | 268,000 (Direct) |
View |
2021-01-04 Option Award |
2021-01-06 4:49 pm |
N/A 2031-01-03 |
SELECTA BIOSCIENCES INC | SELB | Brunn Carsten President and CEO |
780,000 | $0 | 881,350 (Direct) |
View |
2020-12-01 Exercise |
2020-12-03 4:22 pm |
N/A N/A |
SELECTA BIOSCIENCES INC | SELB | Brunn Carsten President and CEO |
10,938 | $0 | 188,850 (Direct) |
View |
2020-10-23 Exercise |
2020-10-27 5:13 pm |
N/A 2021-09-07 |
SELECTA BIOSCIENCES INC | SELB | Kishimoto Takashi Kei Chief Scientific Officer |
30,000 | $0 | 139,778 (Direct) |
View |
2020-10-23 Exercise |
2020-10-27 5:13 pm |
N/A N/A |
SELECTA BIOSCIENCES INC | SELB | Kishimoto Takashi Kei Chief Scientific Officer |
30,000 | $2.77 | 139,778 (Direct) |
View |