Kempster Thomas
SEC CIK 1688904 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| DTST | Data Storage Corp | EVP, Dir, 10% | 18.5K | — | $64.0K | 16 | 2024-01-02 | 2026-09-11 |
Most active insiders at DTST, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Piluso Charles M. | COB, CEO, Dir, 10% | — | $433.6K |
| 2 | Maglione Lawrence A. | Dir | — | $107.8K |
| 3 | Panagiotakos Christos | CFO | — | $55.2K |
| 4 | Correll Todd A. | Dir | — | $51.9K |
| 5 | Kempster Thomas | Dir, 10% | — | $44.4K |
| 6 | Stein Clifford | Dir | — | $12.2K |
| 7 | Argen John | Dir | — | $8,910 |
| 8 | Mitchell Uwayne A. | Dir | — | $8,850 |
| 9 | Grover Matthew | Dir | — | — |
| 10 | Schwartz Harold J | Dir, 10% | — | — |
Transactions 16
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-14 21:25 | 2026-09-11 | DTST | Data Storage Corp | Kempster Thomas | Dir | S - Sale | $2.92 | -3,500 | 18.5K | -16% | -$10.2K | |
| D | 2026-09-04 19:29 | 2026-09-02 | DTST | Data Storage Corp | Kempster Thomas | Dir | M - OptEx | $0.00 | +10.0K | 10.0K | New | $0 |
| D | 2026-09-04 19:29 | 2026-09-02 | DTST | Data Storage Corp | Kempster Thomas | Dir | A - Grant | $0.00 | +12.0K | 22.0K | +120% | $0 |
| 2026-01-16 | 2026-01-14 | DTST | Data Storage Corp | Kempster Thomas | Dir, 10% | D - Sale to Iss | $5.20 | -881.5K | 0 | -100% | -$4.58M | |
| 2025-12-12 | 2025-12-10 | DTST | Data Storage Corp | Kempster Thomas | Dir, 10% | S - Sale | $4.99 | -6,846 | 872.0K | -0.8% | -$34.2K | |
| DM | 2025-09-15 | 2025-09-11 | DTST | Data Storage Corp | Kempster Thomas | EVP, Dir, 10% | M - OptEx | — | +13.2K | 870.5K | +2% | — |
| DM | 2025-08-05 | 2025-08-04 | DTST | Data Storage Corp | Kempster Thomas | EVP, Dir, 10% | M - OptEx | $1.99 | +26.5K | 855.8K | +3% | +$52.5K |
| D | 2025-04-14 | 2025-04-10 | DTST | Data Storage Corp | Kempster Thomas | EVP, Dir, 10% | M - OptEx | — | +8,333 | 841.4K | +1% | — |
| D | 2025-04-14 | 2025-04-10 | DTST | Data Storage Corp | Kempster Thomas | EVP, Dir, 10% | S - Sale+OE | $3.25 | -2,333 | 839.1K | -0.3% | -$7,582 |
| D | 2025-03-04 | 2025-02-28 | DTST | Data Storage Corp | Kempster Thomas | EVP, Dir, 10% | M - OptEx | — | +4,902 | 834.5K | +0.6% | — |
| D | 2025-03-04 | 2025-03-03 | DTST | Data Storage Corp | Kempster Thomas | EVP, Dir, 10% | S - Sale+OE | $3.83 | -1,373 | 833.1K | -0.2% | -$5,259 |
| 2025-01-06 | 2025-01-02 | DTST | Data Storage Corp | Kempster Thomas | EVP, Dir, 10% | S - Sale | $4.23 | -1,593 | 829.6K | -0.2% | -$6,738 | |
| D | 2024-12-12 | 2024-12-10 | DTST | Data Storage Corp | Kempster Thomas | EVP, Dir, 10% | M - OptEx | $2.40 | +2,500 | 831.2K | +0.3% | +$6,000 |
| D | 2024-04-12 | 2024-04-10 | DTST | Data Storage Corp | Kempster Thomas | EVP, Dir, 10% | M - OptEx | — | +8,333 | 828.7K | +1% | — |
| D | 2024-03-05 | 2024-02-29 | DTST | Data Storage Corp | Kempster Thomas | EVP, Dir, 10% | M - OptEx | — | +4,902 | 820.3K | +0.6% | — |
| D | 2024-01-04 | 2024-01-02 | DTST | Data Storage Corp | Kempster Thomas | EVP, Dir, 10% | A - Grant | $0.00 | +17.1K | 815.4K | +2% | $0 |
Purchase Sale Sale after option exercise All abbreviations