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.
-
Data Storage Corporation September 2, 202690.3%
-
Data Storage Corporation September 10, 202598.6%
-
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 | $10,255 |
| 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 |
Questions about Thomas Kempster
What boards is Thomas Kempster on?
Thomas Kempster sits on the board of Data Storage Corporation.
How long has Thomas Kempster served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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