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 |
2025-04-10 Sale |
2025-04-14 4:29 pm |
Data Storage Corp | DTST | Kempster Thomas EVP 10% Owner |
2,333 | $3.25 | $7,582 | 847,446 (Direct) |
View |
2025-03-03 Sale |
2025-03-04 6:29 pm |
Data Storage Corp | DTST | Kempster Thomas EVP 10% Owner |
1,373 | $3.83 | $5,259 | 838,014 (Direct) |
View |
2025-01-02 Sale |
2025-01-06 8:20 pm |
Data Storage Corp | DTST | Kempster Thomas EVP 10% Owner |
1,593 | $4.23 | $6,738 | 829,583 (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 |
2025-04-10 Exercise |
2025-04-14 4:29 pm |
N/A N/A |
Data Storage Corp | DTST | Kempster Thomas EVP 10% Owner |
16,666 | $0 | 847,446 (Direct) |
View |
2025-02-28 Exercise |
2025-03-04 6:29 pm |
N/A N/A |
Data Storage Corp | DTST | Kempster Thomas EVP 10% Owner |
4,902 | $0 | 838,014 (Direct) |
View |
2024-12-10 Exercise |
2024-12-12 6:43 pm |
2020-12-11 2024-12-10 |
Data Storage Corp | DTST | Kempster Thomas EVP 10% Owner |
2,500 | $0 | 831,176 (Direct) |
View |
2024-12-10 Exercise |
2024-12-12 6:43 pm |
N/A N/A |
Data Storage Corp | DTST | Kempster Thomas EVP 10% Owner |
2,500 | $2.4 | 831,176 (Direct) |
View |
2024-04-10 Exercise |
2024-04-12 3:58 pm |
N/A N/A |
Data Storage Corp | DTST | Kempster Thomas EVP 10% Owner |
16,666 | $0 | 845,343 (Direct) |
View |
2024-02-29 Exercise |
2024-03-05 5:49 pm |
N/A N/A |
Data Storage Corp | DTST | Kempster Thomas EVP 10% Owner |
9,804 | $0 | 830,147 (Direct) |
View |
2024-01-02 Option Award |
2024-01-04 5:21 pm |
2025-01-02 2029-01-01 |
Data Storage Corp | DTST | Kempster Thomas EVP 10% Owner |
32,593 | $0 | 830,969 (Direct) |
View |
2023-04-10 Option Award |
2023-04-12 8:45 pm |
N/A N/A |
Data Storage Corp | DTST | Kempster Thomas EVP 10% Owner |
50,000 | $0 | 83,579 (Direct) |
View |
2023-03-01 Option Award |
2023-03-01 7:31 pm |
N/A N/A |
Data Storage Corp | DTST | Kempster Thomas EVP 10% Owner |
29,412 | $0 | 52,452 (Direct) |
View |