Data Storage Corp
DTST- Exchange
- Nasdaq
- Industry
- Services-Computer Processing & Data Preparation
- SEC CIK
- 0001419951
In the last 90 days, Data Storage Corp insiders filed 0 open-market purchases and 4 sales; 17 institutions reported holding it in 13F filings for Q2 2026, worth $508.6K in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Data Storage Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 4 filings
- 4 insiders, $40.2K in total
- Insiders trading
- 4
- Net value
- −$40.2K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Data Storage Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Kempster Thomas | Director | 18,500 | Sep 14, 2026 | 5 |
| Argen John | Director | 19,000 | Sep 11, 2026 | 5 |
| Stein Clifford | Director | 18,009 | Sep 11, 2026 | 4 |
| Mitchell Uwayne A. | Director | 19,000 | Sep 11, 2026 | 4 |
| Correll Todd A. | Director | 55,540 | Sep 4, 2026 | 3 |
| Schwartz Harold J | Director | 50,471 | Sep 4, 2026 | 4 |
| Stallone Nancy | Director | 22,000 | Sep 4, 2026 | 3 |
| Maglione Lawrence A. | Director | 22,000 | Sep 4, 2026 | 4 |
| Grover Matthew | Director | 22,000 | Sep 4, 2026 | 4 |
| Piluso Charles M. | Chairman and CEO | 223,074 | May 26, 2026 | 5 |
| Panagiotakos Christos | Chief Financial Officer | 100,507 | Feb 18, 2026 | 2 |
| Hoffman Joseph B. | Director | 12,500 | Oct 11, 2023 | 0 |
| Wyllie Mark Alexander | Executive Vice President | 100,000 | Jun 14, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 14, 2026 (view filing)9:25 PM ET | Sep 11 | 3 days | Kempster ThomasDirector | SSale | −3.50K | $2.93 | −$10.2K | −15.9%18.5K after | |
| Sep 11, 2026 (view filing)8:33 PM ET | Sep 10 | 1 day | Argen JohnDirector | SSale | −3.00K | $2.97 | −$8.91K | −13.6%19.0K after | |
| Sep 11, 2026 (view filing)8:32 PM ET | Sep 10 | 1 day | Stein CliffordDirector | SSale | −3.99K | $3.05 | −$12.2K | −18.1%18.0K after | |
| Sep 11, 2026 (view filing)8:31 PM ET | Sep 11 | Same day | Mitchell Uwayne A.Director | SSale | −3.00K | $2.95 | −$8.85K | −13.6%19.0K after | |
| May 26, 2026 (view filing) | May 21-26 | 5 days | Piluso Charles M.Chairman and CEO | SSale | −87.0K | $3.83 | −$333.3K | −28.0%223.1K after | 3 lots |
| Dec 15, 2025 (view filing) | Dec 11-12 | 4 days | Maglione Lawrence A.Director | SSale | −21.5K | $5.01 | −$107.8K | −46.5%24.8K after | 4 lots |
| Dec 15, 2025 (view filing) | Dec 11 | 4 days | Correll Todd A.Director | SSale | −10.5K | $4.96 | −$51.9K | −23.8%33.5K after | |
| Dec 12, 2025 (view filing) | Dec 10 | 2 days | Piluso Charles M.Chairman and CEO | SSale | −20.1K | $4.99 | −$100.2K | −4.6%413.3K after | |
| Dec 12, 2025 (view filing) | Dec 10 | 2 days | Kempster ThomasDirector, 10% Owner | SSale | −6.85K | $4.99 | −$34.2K | −0.8%872.0K after | |
| Dec 12, 2025 (view filing) | Dec 10 | 2 days | Panagiotakos ChristosChief Financial Officer | SSale | −11.1K | $4.99 | −$55.2K | −21.4%40.5K after | |
| Sep 15, 2025 (view filing) | Mar 28 | 171 days | Piluso Charles M.Chairman and CEO | SSale | −3.39K | $3.55 | −$12.0K | −0.9%392.2K after | Amended10b5-1 |
| Sep 15, 2025 (view filing) | Mar 28 | 171 days | Panagiotakos ChristosChief Financial Officer | SSale | −2.00K | $3.61 | −$7.23K | −5.3%35.5K after | Amended10b5-1 |
| Apr 14, 2025 (view filing) | Apr 10 | 4 days | Kempster ThomasEVP | SSale | −2.33K | $3.25 | −$7.58K | −0.3%839.1K after | 10b5-1 |
| Apr 14, 2025 (view filing) | Apr 10 | 4 days | Schwartz Harold JPresident | SSale | −2.33K | $3.25 | −$7.58K | −0.3%869.8K after | 10b5-1 |
| Mar 12, 2025 (view filing) | Mar 3 | 9 days | Schwartz Harold JPresident | SSale | −1.37K | $3.83 | −$5.26K | −0.2%863.8K after | Amended10b5-1 |
| Mar 4, 2025 (view filing) | Mar 3 | 1 day | Kempster ThomasEVP | SSale | −1.37K | $3.83 | −$5.26K | −0.2%833.1K after | 10b5-1 |
| Mar 4, 2025 (view filing) | Mar 3 | 1 day | Panagiotakos ChristosChief Financial Officer | SSale | −1.76K | $3.83 | −$6.76K | −4.5%37.5K after | 10b5-1 |
| Mar 4, 2025 (view filing) | Mar 3 | 1 day | Piluso Charles M.Chairman and CEO | SSale | −3.53K | $3.83 | −$13.5K | −0.9%395.6K after | 10b5-1 |
| Jan 6, 2025 (view filing) | Jan 2 | 4 days | Schwartz Harold JPresident | SSale | −1.59K | $4.23 | −$6.74K | −0.2%860.3K after | |
| Jan 6, 2025 (view filing) | Jan 2 | 4 days | Piluso Charles M.Chairman and CEO | SSale | −2.05K | $4.23 | −$8.66K | −0.5%377.4K after | |
| Jan 6, 2025 (view filing) | Jan 2 | 4 days | Kempster ThomasEVP | SSale | −1.59K | $4.23 | −$6.74K | −0.2%829.6K after | |
| Jan 6, 2025 (view filing) | Jan 2 | 4 days | Panagiotakos ChristosChief Financial Officer | SSale | −2.30K | $4.23 | −$9.75K | −7.8%27.4K after |