100 transactions on file (0 open-market purchases and 15 open-market sales).
15 open-market sales by DTST insiders, between Dec 10, 2025 and Sep 11, 2026.
Discretionary.
Planned (10b5-1).
Not stated.
| Date | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-09-11 | Kempster Thomas Director Open-market sale Discretionary | Open-market sale Discretionary | −3,500 | $2.93 | −10.24K | 18,500 |
| 2026-09-11 | Mitchell Uwayne A. Director Open-market sale Discretionary | Open-market sale Discretionary | −3,000 | $2.95 | −8.85K | 19,000 |
| 2026-09-10 | Argen John Director Open-market sale Discretionary | Open-market sale Discretionary | −3,000 | $2.97 | −8.91K | 19,000 |
| 2026-09-10 | Stein Clifford Director Open-market sale Discretionary | Open-market sale Discretionary | −3,991 | $3.05 | −12.17K | 18,009 |
| 2026-09-02 | Correll Todd A. Director Option exercise | Option exercise | +10,000 | $0.00 | +0 | 43,540 |
95 more transactions are on Measure
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| Insider | Role | On Sep 23, 2025 | Now | Change | Sold | Shape |
|---|---|---|---|---|---|---|
| Kempster ThomasDirector, 10% owner | Director, 10% owner | 878,818 | 18,500 | −97.89% | $44.42K$44.42K no plan | |
| Piluso Charles M.Chairman and CEO, Director, 10% owner | Chairman and CEO, Director, 10% owner | 433,380 | 223,074 | −48.53% | $434K$434K no plan | |
| Maglione Lawrence A.Director | Director | 46,281 | 24,752 | −46.52% | $108K$108K no plan |
5 more insiders are on Measure
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The assistant answers from what DTST has actually filed: 16 annual reports filed with the SEC and 92 Form 4 filings from the last year. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.
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Source
From SEC Form 4 filings, filed within two business days of a transaction.
Past transactions say nothing about future ones, and none of this is investment advice.
What each insider held after every open-market trade, over the last twelve months.
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Every Form 4 DTST insiders file, not just the latest handful, with vesting and tax withholding struck out so what's left reads as a decision.
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Every position, sizedMeasure
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Whether this is one decision or a pattern, and how it compares with DTST's own history of insider activity.
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The table above says who traded. This says what DTST did over the following 30, 90 and 180 days after each open-market purchase and sale, from this company’s own record rather than a study about companies in general, and with the number of transactions shown beside every average.
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