Thomas Kempster
EVP at Data Storage Corporation
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Data Storage Corporation, 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Data Storage Corporation September 2, 202690.3%
-
Data Storage Corporation September 10, 202598.6%
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Data Storage Corporation June 20, 202499.6%
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Data Storage Corporation September 13, 202399.4%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 11, 2026 | Data Storage Corporation | Open-market sale | −3,500 | $2.93 | $10,238 |
| Sep 2, 2026 | Data Storage Corporation | Option exercise | +10,000 | — | — |
| Sep 2, 2026 | Data Storage Corporation | Grant or award | +12,000 | — | — |
| Jan 14, 2026 | Data Storage Corporation | Sold back to the company | −881,472 | $5.20 | $4,583,654 |
| Dec 10, 2025 | Data Storage Corporation | Open-market sale | −6,846 | $4.99 | $34,162 |
| Sep 11, 2025 | Data Storage Corporation | Option exercise | +4,902 | — | — |
| Sep 11, 2025 | Data Storage Corporation | Option exercise | +8,334 | — | — |
| Aug 4, 2025 | Data Storage Corporation | Option exercise | +16,666 | $2.00 | $33,332 |
| Aug 4, 2025 | Data Storage Corporation | Option exercise | +9,804 | $1.96 | $19,216 |
| Apr 10, 2025 | Data Storage Corporation | Option exercise | +8,333 | — | — |
| Apr 10, 2025 | Data Storage Corporation | Open-market sale | −2,333 | $3.25 | $7,582 |
| Mar 3, 2025 | Data Storage Corporation | Open-market sale | −1,373 | $3.83 | $5,259 |
| Feb 28, 2025 | Data Storage Corporation | Option exercise | +4,902 | — | — |
| Jan 2, 2025 | Data Storage Corporation | Open-market sale | −1,593 | $4.23 | $6,738 |
| Dec 10, 2024 | Data Storage Corporation | Option exercise | +2,500 | $2.40 | $6,000 |
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