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 |
| 2025-01-10 Purchase |
2025-01-13 4:32 pm |
iBio Inc. | IBIO | Arkowitz David Director |
18,382 | $2.72 | $49,999 | 18,382 (Direct) |
View |
| 2024-02-16 Sale |
2024-02-16 9:13 pm |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
3,939 | $1.08 | $4,254 | 751,597 (Direct) |
View |
| 2023-10-30 Sale |
2023-10-31 9:39 pm |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
4,066 | $1.35 | $5,489 | 215,383 (Direct) |
View |
| 2021-05-10 Sale |
2021-05-12 5:06 pm |
Flexion Therapeutics Inc | FLXN | Arkowitz David Chief Financial Officer |
2,229 | $7.23 | $16,116 | 220,719 (Direct) |
View |
| 2021-01-05 Sale |
2021-01-07 5:50 pm |
Flexion Therapeutics Inc | FLXN | Arkowitz David Chief Financial Officer |
6,073 | $11.13 | $67,592 | 151,048 (Direct) |
View |
| 2020-05-07 Sale |
2020-05-11 4:11 pm |
Flexion Therapeutics Inc | FLXN | Arkowitz David Chief Financial Officer |
2,413 | $10.88 | $26,253 | 117,068 (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 |
| 2024-11-21 Option Award |
2024-11-25 4:31 pm |
N/A 2034-11-20 |
iBio Inc. | IBIO | Arkowitz David Director |
12,600 | $0 | 12,600 (Direct) |
View |
| 2024-09-04 Option Award |
2024-09-05 4:18 pm |
N/A 2034-09-03 |
KINETA INC. | KA | Arkowitz David Director |
12,500 | $0 | 12,500 (Direct) |
View |
| 2024-02-14 Option Award |
2024-02-16 9:13 pm |
N/A 2034-02-13 |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
537,280 | $0 | 751,597 (Direct) |
View |
| 2024-02-15 Exercise |
2024-02-16 9:13 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
10,625 | $0 | 751,597 (Direct) |
View |
| 2023-04-27 Option Award |
2023-10-31 9:39 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
26,418 | $0 | 215,383 (Direct) |
View |
| 2023-10-27 Exercise |
2023-10-31 9:39 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
13,209 | $0 | 215,383 (Direct) |
View |
| 2023-04-27 Option Award |
2023-05-01 4:43 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
42,500 | $0 | 166,613 (Direct) |
View |
| 2023-04-12 Option Award |
2023-04-14 4:06 pm |
N/A 2033-04-11 |
KINETA INC. | KA | Arkowitz David Director |
32,500 | $0 | 32,500 (Direct) |
View |
| 2020-11-20 Other |
2023-03-09 09:10 am |
N/A 2025-03-30 |
F-star Therapeutics Inc. | FSTX | Arkowitz David Director |
45,886 | $0 | 0 (Direct) |
View |
| 2023-03-08 Equity Swap |
2023-03-09 09:10 am |
N/A N/A |
F-star Therapeutics Inc. | FSTX | Arkowitz David Director |
8,386 | $7.12 | 0 (Direct) |
View |
| 2023-02-03 Option Award |
2023-02-07 5:44 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
127,500 | $0 | 127,500 (Direct) |
View |
| 2022-10-27 Option Award |
2022-10-31 6:05 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
42,500 | $0 | 112,992 (Direct) |
View |
| 2022-06-15 Exercise |
2022-10-31 6:05 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
5,000 | $0 | 112,992 (Direct) |
View |
| 2022-07-05 Option Award |
2022-07-06 7:23 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
63,492 | $3.15 | 65,492 (Direct) |
View |
| 2022-06-17 Option Award |
2022-06-22 5:06 pm |
N/A 2032-06-17 |
F-star Therapeutics Inc. | FSTX | Arkowitz David Director |
20,000 | $0 | 20,000 (Direct) |
View |
| 2022-02-04 Option Award |
2022-02-08 9:30 pm |
N/A 2032-02-03 |
Seres Therapeutics Inc. | MCRB | Arkowitz David See Remarks |
190,000 | $0 | 190,000 (Direct) |
View |
| 2021-06-04 Option Award |
2021-06-07 4:03 pm |
N/A 2031-06-04 |
F-star Therapeutics Inc. | FSTX | Arkowitz David Director |
20,000 | $0 | 20,000 (Direct) |
View |
| 2021-06-02 Option Award |
2021-06-04 4:05 pm |
N/A 2031-06-01 |
YUMANITY THERAPEUTICS INC. | YMTX | Arkowitz David Director |
14,800 | $0 | 14,800 (Direct) |
View |
| 2021-06-01 Option Award |
2021-06-01 9:25 pm |
N/A 2031-05-31 |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
275,000 | $0 | 275,000 (Direct) |
View |
Ownership |
2021-06-01 9:14 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Arkowitz David Chief Financial Officer |
0 | $0 | 2,000 (Direct) |
View |
| 2021-03-01 Option Award |
2021-03-03 6:26 pm |
N/A 2031-02-28 |
Flexion Therapeutics Inc | FLXN | Arkowitz David Chief Financial Officer |
91,900 | $0 | 242,948 (Direct) |
View |
| 2020-12-22 Option Award |
2020-12-28 7:05 pm |
N/A N/A |
YUMANITY THERAPEUTICS INC. | YMTX | Arkowitz David Director |
4,347 | $23 | 4,347 (Direct) |
View |
| 2020-11-19 Other |
2020-11-23 11:16 am |
2017-05-24 2021-11-23 |
F-star Therapeutics Inc. | SBPH | Arkowitz David Director |
1,096 | $0 | 0 (Direct) |
View |
| 2020-07-16 Option Award |
2020-07-20 9:33 pm |
N/A N/A |
Flexion Therapeutics Inc | FLXN | Arkowitz David Chief Financial Officer |
38,750 | $0 | 157,121 (Direct) |
View |
| 2020-06-29 Option Award |
2020-07-01 5:22 pm |
N/A 2030-06-29 |
PROTEOSTASIS THERAPEUTICS INC. | PTI | Arkowitz David Director |
17,400 | $0 | 17,400 (Direct) |
View |
| 2020-06-24 Option Award |
2020-06-25 4:00 pm |
N/A 2030-06-23 |
Spring Bank Pharmaceuticals Inc. | SBPH | Arkowitz David Director |
7,500 | $0 | 7,500 (Direct) |
View |
| 2020-06-22 Option Award |
2020-06-24 4:21 pm |
N/A N/A |
Flexion Therapeutics Inc | FLXN | Arkowitz David Chief Financial Officer |
1,303 | $10.83 | 118,371 (Direct) |
View |