Kempster Thomas, a director at Data Storage Corp ($DTST), sold shares on the open market twice in the last 365 days for a total of $41,767. His most recent sale occurred on December 10, 2025. These transactions rank 10,566th among 11,678 individual insiders, far below the average sale amount of 8.6 million and 6.37 transactions per insider. Thomas made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 29, 2026 | Data Storage Corp | $DTST | Kempster Thomas | Director | A | Restricted Stock Unit | 10000 | $0.00 | 10,000.0000 | 7,613,606 | 9999.99% | 0.13% |
| Jan. 14, 2026 | Data Storage Corp | $DTST | Kempster Thomas | Director | D | Common Stock | 881472 | $5.20 | 0.0000 | 7,613,606 | 100.00% | 11.58% |
| Dec. 10, 2025 | Data Storage Corp | $DTST | Kempster Thomas | Director | S | Common Stock | 6846 | $4.99 | 871,972.0000 | 7,613,606 | 0.78% | 0.09% |
| Sept. 11, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Restricted Stock Unit | 8334 | $0.00 | 0.0000 | 7,347,779 | 100.00% | 0.11% |
| Sept. 11, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Common Stock | 4902 | $0.00 | 870,484.0000 | 7,347,779 | 0.57% | 0.07% |
| Sept. 11, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Restricted Stock Unit | 4902 | $0.00 | 0.0000 | 7,347,779 | 100.00% | 0.07% |
| Sept. 11, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Common Stock | 8334 | $0.00 | 878,818.0000 | 7,347,779 | 0.96% | 0.11% |
| Aug. 4, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Common Stock | 16666 | $2.00 | 855,778.0000 | 7,347,779 | 1.99% | 0.23% |
| Aug. 4, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Common Stock | 9804 | $1.96 | 865,582.0000 | 7,347,779 | 1.15% | 0.13% |
| Aug. 4, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Stock Option | 16666 | $0.00 | 8,334.0000 | 7,347,779 | 66.66% | 0.23% |
| Aug. 4, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Stock Option | 9804 | $0.00 | 4,902.0000 | 7,347,779 | 66.67% | 0.13% |
| April 10, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Restricted Stock Unit | 8333 | $0.00 | 8,334.0000 | 7,347,779 | 50.00% | 0.11% |
| April 10, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Common Stock | 8333 | $0.00 | 841,445.0000 | 7,347,779 | 1.00% | 0.11% |
| April 10, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | S | Common Stock | 2333 | $3.25 | 839,112.0000 | 7,347,779 | 0.28% | 0.03% |
| Feb. 28, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Restricted Stock Unit | 4902 | $0.00 | 4,902.0000 | 7,347,779 | 50.00% | 0.07% |
| March 3, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | S | Common Stock | 1373 | $3.83 | 833,112.0000 | 7,347,779 | 0.16% | 0.02% |
| Feb. 28, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Common Stock | 4902 | $0.00 | 834,485.0000 | 7,347,779 | 0.59% | 0.07% |
| Jan. 2, 2025 | Data Storage Corp | $DTST | Kempster Thomas | EVP | S | Common Stock | 1593 | $4.23 | 829,583.0000 | 7,347,779 | 0.19% | 0.02% |
| Dec. 10, 2024 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Common Stock | 2500 | $2.40 | 831,176.0000 | 7,405,664 | 0.30% | 0.03% |
| Dec. 10, 2024 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Stock Option | 2500 | $0.00 | 0.0000 | 7,405,664 | 100.00% | 0.03% |
| April 10, 2024 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Common Stock | 8333 | $0.00 | 828,676.0000 | 7,424,228 | 1.02% | 0.11% |
| April 10, 2024 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Restricted Stock Unit | 8333 | $0.00 | 16,667.0000 | 7,424,228 | 33.33% | 0.11% |
| Feb. 29, 2024 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Common Stock | 4902 | $0.00 | 820,343.0000 | 7,424,228 | 0.60% | 0.07% |
| Feb. 29, 2024 | Data Storage Corp | $DTST | Kempster Thomas | EVP | M | Restricted Stock Unit | 4902 | $0.00 | 9,804.0000 | 7,424,228 | 33.33% | 0.07% |
| Jan. 2, 2024 | Data Storage Corp | $DTST | Kempster Thomas | EVP | A | Common Stock | 17065 | $0.00 | 815,441.0000 | 7,424,228 | 2.14% | 0.23% |
| Jan. 2, 2024 | Data Storage Corp | $DTST | Kempster Thomas | EVP | A | Stock Options | 15528 | $0.00 | 15,528.0000 | 7,424,228 | 9999.99% | 0.21% |
| April 10, 2023 | Data Storage Corp | $DTST | Kempster Thomas | EVP | A | Restricted Stock Unit | 25000 | $0.00 | 39,706.0000 | 0 | 170.00% | 0.00% |
| April 10, 2023 | Data Storage Corp | $DTST | Kempster Thomas | EVP | A | Stock Options | 25000 | $0.00 | 43,873.0000 | 0 | 132.46% | 0.00% |
| March 1, 2023 | Data Storage Corp | $DTST | Kempster Thomas | EVP | A | Restricted Stock Unit | 14706 | $0.00 | 33,579.0000 | 0 | 77.92% | 0.00% |
| March 1, 2023 | Data Storage Corp | $DTST | Kempster Thomas | EVP | A | Stock Options | 14706 | $0.00 | 18,873.0000 | 0 | 352.92% | 0.00% |