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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.

Insider roster for Data Storage Corp
NameTitleLast reported holdingLast filingFilings, past year
Kempster ThomasDirector18,500Sep 14, 20265
Argen JohnDirector19,000Sep 11, 20265
Stein CliffordDirector18,009Sep 11, 20264
Mitchell Uwayne A.Director19,000Sep 11, 20264
Correll Todd A.Director55,540Sep 4, 20263
Schwartz Harold JDirector50,471Sep 4, 20264
Stallone NancyDirector22,000Sep 4, 20263
Maglione Lawrence A.Director22,000Sep 4, 20264
Grover MatthewDirector22,000Sep 4, 20264
Piluso Charles M.Chairman and CEO223,074May 26, 20265
Panagiotakos ChristosChief Financial Officer100,507Feb 18, 20262
Hoffman Joseph B.Director12,500Oct 11, 20230
Wyllie Mark AlexanderExecutive Vice President100,000Jun 14, 20220

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.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 14, 2026 (view filing)9:25 PM ETSep 113 daysKempster ThomasDirectorSSale−3.50K$2.93−$10.2K−15.9%18.5K after
Sep 11, 2026 (view filing)8:33 PM ETSep 101 dayArgen JohnDirectorSSale−3.00K$2.97−$8.91K−13.6%19.0K after
Sep 11, 2026 (view filing)8:32 PM ETSep 101 dayStein CliffordDirectorSSale−3.99K$3.05−$12.2K−18.1%18.0K after
Sep 11, 2026 (view filing)8:31 PM ETSep 11Same dayMitchell Uwayne A.DirectorSSale−3.00K$2.95−$8.85K−13.6%19.0K after
May 26, 2026 (view filing)May 21-265 daysPiluso Charles M.Chairman and CEOSSale−87.0K$3.83−$333.3K−28.0%223.1K after3 lots
Dec 15, 2025 (view filing)Dec 11-124 daysMaglione Lawrence A.DirectorSSale−21.5K$5.01−$107.8K−46.5%24.8K after4 lots
Dec 15, 2025 (view filing)Dec 114 daysCorrell Todd A.DirectorSSale−10.5K$4.96−$51.9K−23.8%33.5K after
Dec 12, 2025 (view filing)Dec 102 daysPiluso Charles M.Chairman and CEOSSale−20.1K$4.99−$100.2K−4.6%413.3K after
Dec 12, 2025 (view filing)Dec 102 daysKempster ThomasDirector, 10% OwnerSSale−6.85K$4.99−$34.2K−0.8%872.0K after
Dec 12, 2025 (view filing)Dec 102 daysPanagiotakos ChristosChief Financial OfficerSSale−11.1K$4.99−$55.2K−21.4%40.5K after
Sep 15, 2025 (view filing)Mar 28171 daysPiluso Charles M.Chairman and CEOSSale−3.39K$3.55−$12.0K−0.9%392.2K afterAmended10b5-1
Sep 15, 2025 (view filing)Mar 28171 daysPanagiotakos ChristosChief Financial OfficerSSale−2.00K$3.61−$7.23K−5.3%35.5K afterAmended10b5-1
Apr 14, 2025 (view filing)Apr 104 daysKempster ThomasEVPSSale−2.33K$3.25−$7.58K−0.3%839.1K after10b5-1
Apr 14, 2025 (view filing)Apr 104 daysSchwartz Harold JPresidentSSale−2.33K$3.25−$7.58K−0.3%869.8K after10b5-1
Mar 12, 2025 (view filing)Mar 39 daysSchwartz Harold JPresidentSSale−1.37K$3.83−$5.26K−0.2%863.8K afterAmended10b5-1
Mar 4, 2025 (view filing)Mar 31 dayKempster ThomasEVPSSale−1.37K$3.83−$5.26K−0.2%833.1K after10b5-1
Mar 4, 2025 (view filing)Mar 31 dayPanagiotakos ChristosChief Financial OfficerSSale−1.76K$3.83−$6.76K−4.5%37.5K after10b5-1
Mar 4, 2025 (view filing)Mar 31 dayPiluso Charles M.Chairman and CEOSSale−3.53K$3.83−$13.5K−0.9%395.6K after10b5-1
Jan 6, 2025 (view filing)Jan 24 daysSchwartz Harold JPresidentSSale−1.59K$4.23−$6.74K−0.2%860.3K after
Jan 6, 2025 (view filing)Jan 24 daysPiluso Charles M.Chairman and CEOSSale−2.05K$4.23−$8.66K−0.5%377.4K after
Jan 6, 2025 (view filing)Jan 24 daysKempster ThomasEVPSSale−1.59K$4.23−$6.74K−0.2%829.6K after
Jan 6, 2025 (view filing)Jan 24 daysPanagiotakos ChristosChief Financial OfficerSSale−2.30K$4.23−$9.75K−7.8%27.4K after