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sellWeak cluster of 5

Lawrence A. Maglione sold $108k of DTST

director at Data Storage Corp. 21,529 shares at an average of $5.01, traded Dec 11, 2025, filed Dec 15, 2025.

Warning score
35
Value
$108k
21,529 shares
Holdings after
24,752
-47% from before
From 52-week low
+69%
low $2.98, close $5.03
From 52-week high
-5%
high $5.30, as of Dec 11, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $108k at market
    +10
  • Share of holdings sold
    Sold 47% of holdings
    +10
  • Cluster
    5 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -11.4%, 3m -22.3%, 6m -34.1%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

DTSTOct 12, 2026 · close 3.25
Since filing Dec 15, 2025: -35.3%SPY +15.5% · excess -50.8%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001731122-25-001676, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 11, 2025MOption exercise
Common Stock
+1,667$2.00$3,33435,142Dec 15, 2025
Dec 11, 2025MOption exercise
Common Stock
+2,500$2.16$5,40037,912Dec 15, 2025
Dec 11, 2025MOption exercise
Common Stock
+2,500$3.23$8,07540,412Dec 15, 2025
Dec 11, 2025MOption exercise
Common Stock
+2,500$2.45$6,12542,912Dec 15, 2025
Dec 11, 2025MOption exercise
Common Stock
+2,500$2.04$5,10045,412Dec 15, 2025
Dec 11, 2025MOption exercise
Common Stock
+2,500$1.48$3,70047,912Dec 15, 2025
Dec 11, 2025MOption exercise
Common Stock
+2,500$1.82$4,55050,412Dec 15, 2025
Dec 11, 2025MOption exercise
Common Stock
+2,500$2.33$5,82552,912Dec 15, 2025
Dec 11, 2025MOption exercise
Common Stock
+2,500$3.24$8,10055,412Dec 15, 2025
Dec 11, 2025MOption exercise
Common Stock
+2,500$2.88$7,2005,792Dec 15, 2025
Dec 11, 2025FTax withholding
Common Stock
-11,631$4.99$58k46,281Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock
-12,536$4.99$63k33,745Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock
-5,695$5.03$29k28,050Dec 15, 2025
Dec 12, 2025SOpen-market sale
Common Stock
-520$5.02$2,61027,530Dec 15, 2025
Dec 12, 2025SOpen-market sale
Common Stock
-2,778$5.03$14k24,752Dec 15, 2025
Dec 11, 2025MOption exercise
Stock Optionderivative
-1,667$0.00$00Dec 15, 2025
Dec 11, 2025MOption exercise
Stock Optionderivative
-2,500$0.00$00Dec 15, 2025
Dec 11, 2025MOption exercise
Stock Optionderivative
-2,500$0.00$00Dec 15, 2025
Dec 11, 2025MOption exercise
Stock Optionderivative
-2,500$0.00$00Dec 15, 2025
Dec 11, 2025MOption exercise
Stock Optionderivative
-2,500$0.00$00Dec 15, 2025
Dec 11, 2025MOption exercise
Stock Optionderivative
-2,500$0.00$00Dec 15, 2025
Dec 11, 2025MOption exercise
Stock Optionderivative
-2,500$0.00$00Dec 15, 2025
Dec 11, 2025MOption exercise
Stock Optionderivative
-2,500$0.00$00Dec 15, 2025
Dec 11, 2025MOption exercise
Stock Optionderivative
-2,500$0.00$00Dec 15, 2025
Dec 11, 2025MOption exercise
Stock Optionderivative
-2,500$0.00$00Dec 15, 2025

Related signals

Other insiders at Data Storage Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
35Weak
DTSTsell 4
Data Storage Corp
Thomas Kempster
EVP
$10k
3,500 shares
-16%
35Weak
DTSTsell 4
Data Storage Corp
John Argen
director
$8,910
3,000 shares
-14%
35Weak
DTSTsell 4
Data Storage Corp
Uwayne A. Mitchell
director
$8,850
3,000 shares
-14%
35Weak
DTSTsell 4
Data Storage Corp
Clifford Stein
director
$12k
3,991 shares
-18%
50Moderate
DTSTsell
Data Storage Corp
Charles M. Piluso
Chairman and CEO
$333k
86,958 shares
-28%
27Weak
DTSTsell 5
Data Storage Corp
Todd A. Correll
director
$52k
10,471 shares
-24%
49Moderate
DTSTsell 5
Data Storage Corp
Christos Panagiotakos
Chief Financial Officer
$55k
11,053 shares
-21%
36Weak
DTSTsell 5
Data Storage Corp
Thomas Kempster
EVP
$34k
6,846 shares
-1%
50Moderate
DTSTsell 5
Data Storage Corp
Charles M. Piluso
Chairman and CEO
$100k
20,089 shares
-5%
2Weak
DTSTsell 410b5-1
Data Storage Corp
Christos Panagiotakos
Chief Financial Officer
$7,231
2,003 shares
-5%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Lawrence A. Maglione sold $108k of DTST | InsiderTell