C. Kempster Thomas's most recent trade in Data Storage Corp was a trade of 6,846 Common Stock done at an average price of $5.0 . Disclosure was reported to the exchange on Dec. 10, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Data Storage Corp | Thomas C. Kempster | Director, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 4.99 per share. | 10 Dec 2025 | 6,846 | 871,972 | - | 5.0 | 34,185 | Common Stock |
| Data Storage Corp | Thomas Kempster C. | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 11 Sep 2025 | 8,334 | 0 | - | - | Restricted Stock Unit | |
| Data Storage Corp | Thomas Kempster C. | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 11 Sep 2025 | 8,334 | 878,818 | - | - | Common Stock | |
| Data Storage Corp | C. Thomas Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 11 Sep 2025 | 4,902 | 0 | - | - | Restricted Stock Unit | |
| Data Storage Corp | C. Kempster Thomas | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 11 Sep 2025 | 4,902 | 870,484 | - | - | Common Stock | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 04 Aug 2025 | 16,666 | 8,334 | - | - | Stock Option | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 2.00 per share. | 04 Aug 2025 | 16,666 | 855,778 | - | 2 | 33,332 | Common Stock |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 04 Aug 2025 | 9,804 | 4,902 | - | - | Stock Option | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 1.96 per share. | 04 Aug 2025 | 9,804 | 865,582 | - | 2.0 | 19,216 | Common Stock |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 10 Apr 2025 | 8,333 | 841,445 | - | - | Common Stock | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 10 Apr 2025 | 8,333 | 8,334 | - | - | Restricted Stock Unit | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 3.25 per share. | 10 Apr 2025 | 2,333 | 839,112 | - | 3.2 | 7,582 | Common Stock |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 28 Feb 2025 | 4,902 | 4,902 | - | - | Restricted Stock Unit | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 28 Feb 2025 | 4,902 | 834,485 | - | - | Common Stock | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 3.83 per share. | 28 Feb 2025 | 1,373 | 833,112 | - | 3.8 | 5,259 | Common Stock |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 4.23 per share. | 02 Jan 2025 | 1,593 | 829,583 | - | 4.2 | 6,738 | Common Stock |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 10 Dec 2024 | 2,500 | 0 | - | - | Stock Option | |
| Data Storage Corp | Kempster C. Thomas | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 2.40 per share. | 10 Dec 2024 | 2,500 | 831,176 | - | 2.4 | 6,000 | Common Stock |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 10 Apr 2024 | 8,333 | 828,676 | - | - | Common Stock | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 10 Apr 2024 | 8,333 | 16,667 | - | - | Restricted Stock Unit | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Feb 2024 | 4,902 | 820,343 | - | - | Common Stock | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 29 Feb 2024 | 4,902 | 9,804 | - | - | Restricted Stock Unit | |
| Data Storage Corp | Kempster C. Thomas | Director, EVP, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Jan 2024 | 17,065 | 815,441 | - | 0 | Common Stock | |
| Data Storage Corp | C. Kempster Thomas | Director, EVP, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Jan 2024 | 15,528 | 15,528 | - | - | Stock Options | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 Apr 2023 | 25,000 | 39,706 | - | - | Restricted Stock Unit | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 Apr 2023 | 25,000 | 43,873 | - | - | Stock Options | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2023 | 14,706 | 33,579 | - | - | Restricted Stock Unit | |
| Data Storage Corp | Thomas C. Kempster | Director, EVP, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2023 | 14,706 | 18,873 | - | - | Stock Options |