Kempster Thomas (CIK 1688904) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-16). Recent activity: Sell DTST (881,472 shares), Sell DTST (6,846 shares), Buy DTST (4,902 shares), Buy DTST (8,334 shares), Buy DTST (16,666 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-16 | Data Storage Corp (DTST) | Director | Sell | 881,472 | $4.6M |
| 2025-12-12 | Data Storage Corp (DTST) | Director | Sell | 6,846 | $34,162 |
| 2025-09-15 | Data Storage Corp (DTST) | EVP | Buy | 4,902 | $0 |
| 2025-09-15 | Data Storage Corp (DTST) | EVP | Buy | 8,334 | $0 |
| 2025-08-05 | Data Storage Corp (DTST) | EVP | Buy | 16,666 | $33,332 |
| 2025-08-05 | Data Storage Corp (DTST) | EVP | Buy | 9,804 | $19,216 |
| 2025-04-14 | Data Storage Corp (DTST) | EVP | Buy | 8,333 | $0 |
| 2025-04-14 | Data Storage Corp (DTST) | EVP | Sell | 2,333 | $7,582 |
| 2025-03-04 | Data Storage Corp (DTST) | EVP | Buy | 4,902 | $0 |
| 2025-03-04 | Data Storage Corp (DTST) | EVP | Sell | 1,373 | $5,259 |
Source: SEC Form 4 filings · as of 2026-01-16