Thomas Kempster serves as Executive at Data Storage Corp, where they oversee executive responsibilities. Since joining the company, Thomas Kempster has executed 11 insider transactions totaling $37.6K, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 14, 2026 involved selling 881,472 shares valued at $4.6M.
Thomas Kempster currently holds 871,972 shares of Data Storage Corp (DTST), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Thomas Kempster has been a net seller of DTST stock. They have purchased $0 and sold $37.6K worth of shares.
Thomas Kempster's most recent insider trade was on Jan 14, 2026, when they sold 881,472 shares at $5.20 per share.
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| $4.99 |
| Discretionary |
| Sep 11, 2025 | DTST | $0 | Option Exercise | 4,902 | $N/A | Discretionary |
| Sep 11, 2025 | DTST | $0 | Option Exercise | 8,334 | $N/A | Discretionary |
| Aug 4, 2025 | DTST | $33.3K | Option Exercise | 16,666 | $2.00 | Discretionary |
| Aug 4, 2025 | DTST | $19.2K | Option Exercise | 9,804 | $1.96 | Discretionary |
| Apr 10, 2024 | DTST | $0 | Option Exercise | 8,333 | $N/A | Discretionary |
| Feb 29, 2024 | DTST | $0 | Option Exercise | 4,902 | $N/A | Discretionary |
| Jan 2, 2024 | DTST | $0 | Award | 17,065 | $N/A | Discretionary |
| Feb 15, 2019 | DTST | $1.7K | Sale | 10,000 | $0.17 | Discretionary |
| Jan 18, 2019 | DTST | $1.7K | Sale | 10,000 | $0.17 | Discretionary |