United States Software & IT Services

Data Storage Corp (DTST)

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Data Storage Corp experienced significant insider selling recently, with Chairman and CEO Charles M. Piluso offloading shares worth over $333,000 in late May. This activity follows a disappointing earnings report and a 25.6% decline in stock value over the past quarter, leaving the equity trading near its 52-week low.
Ticker: DTST Exchange: OTC
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Data Storage Corp. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.8
Piluso Charles M. Chairman and CEO Executive Director Large shareholder
Transaction date
Sale
Price
257.89
Quantity 99,463 +45.1%
Value US$2,089,379
3.8
Piluso Charles M. Chairman and CEO Executive Director Large shareholder
Transaction date
Sale
Price
113.15
Quantity 57,812 -47.9%
Value US$3,211,547
3.8
Piluso Charles M. Chairman and CEO Executive Director Large shareholder
Transaction date
Sale
Price
226.57
Quantity 87,356 +6.8%
Value US$4,879,873
2.7
Maglione Lawrence A. Non-Executive Director
Transaction date
Sale
Price
5.03
Quantity 2,778 -10.1%
Value US$13,973
2.7
Maglione Lawrence A. Non-Executive Director
Transaction date
Sale
Price
5.02
Quantity 520 -1.9%
Value US$2,610
2.7
Maglione Lawrence A. Non-Executive Director
Transaction date
Sale
Price
5.03
Quantity 5,695 -16.9%
Value US$28,646
2.7
Maglione Lawrence A. Non-Executive Director
Transaction date
Sale
Price
4.99
Quantity 12,536 -27.1%
Value US$62,555
2.4
Correll Todd A. Non-Executive Director
Transaction date
Sale
Price
4.96
Quantity 10,471 -23.8%
Value US$51,936
3.8
Piluso Charles M. Chairman and CEO Executive Director Large shareholder
Transaction date
Sale
Price
4.99
Quantity 20,089 -4.6%
Value US$100,312
3.0
Kempster Thomas Non-Executive Director Large shareholder
Transaction date
Sale
Price
4.99
Quantity 6,846 -0.8%
Value US$34,185
3.3
Panagiotakos Christos Chief Financial Officer Officer
Transaction date
Sale
Price
4.99
Quantity 11,053 -21.4%
Value US$55,192
2.5
Schwartz Harold J President Executive Director Large shareholder
Transaction date
Sale
Price
3.25
Quantity 2,333 -0.3%
Value US$7,582
3.0
Kempster Thomas EVP Executive Director Large shareholder
Transaction date
Sale
Price
3.25
Quantity 2,333 -0.3%
Value US$7,582
3.3
Panagiotakos Christos Chief Financial Officer Officer
Transaction date
Sale
Price
3.61
Quantity 2,003 -5.3%
Value US$7,231
3.8
Piluso Charles M. Chairman and CEO Executive Director Large shareholder
Transaction date
Sale
Price
3.55
Quantity 3,390 -0.9%
Value US$12,034
3.0
Kempster Thomas EVP Executive Director Large shareholder
Transaction date
Sale
Price
3.83
Quantity 1,373 -0.2%
Value US$5,259
2.5
Schwartz Harold J President Executive Director Large shareholder
Transaction date
Sale
Price
3.83
Quantity 2,333 -0.3%
Value US$8,935
3.3
Panagiotakos Christos Chief Financial Officer Officer
Transaction date
Sale
Price
3.83
Quantity 1,765 -4.5%
Value US$6,760
3.8
Piluso Charles M. Chairman and CEO Executive Director Large shareholder
Transaction date
Sale
Price
3.83
Quantity 3,529 -0.9%
Value US$13,516
3.0
Kempster Thomas EVP Executive Director Large shareholder
Transaction date
Sale
Price
4.23
Quantity 1,593 -0.2%
Value US$6,738
3.3
Panagiotakos Christos Chief Financial Officer Officer
Transaction date
Sale
Price
4.23
Quantity 2,304 -7.8%
Value US$9,746
2.5
Schwartz Harold J President Executive Director Large shareholder
Transaction date
Sale
Price
4.23
Quantity 1,593 -0.2%
Value US$6,738
3.8
Piluso Charles M. Chairman and CEO Executive Director Large shareholder
Transaction date
Sale
Price
4.23
Quantity 2,048 -0.5%
Value US$8,663
3.0
Kempster Thomas COO, Pres of Tech Ops & Secy Executive Director Large shareholder
Transaction date
Planned sale
Price
0.17
Quantity 10,000 -0.0%
Value US$1,700
Piluso Charles M. Pres, CEO, CFO,Chairman Executive Director Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 666,667 +4.9%
Value US$100,000
Piluso Charles M. Pres, CEO, CFO,Chairman Executive Director Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 166,667 +1.2%
Value US$25,000
Coghlan John F. Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 833,333 +22.9%
Value US$125,000
Stein Clifford Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 833,333 +33.1%
Value US$125,000
Piluso Charles M. President, CEO, CFO Executive Director
Transaction date
Sale
Price
0.41
Quantity 548,780 -5.5%
Value US$225,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-26 2026-05-26 S Sale
3.8
Piluso Charles M.

Chairman and CEO

Executive Director Large shareholder
99,463 +45.1%
257.89
US$2,089,379 		99,463 +45.1% 257.89 US$2,089,379
2026-05-26 2026-05-22 S Sale
3.8
Piluso Charles M.

Chairman and CEO

Executive Director Large shareholder
57,812 -47.9%
113.15
US$3,211,547 		57,812 -47.9% 113.15 US$3,211,547
2026-05-26 2026-05-21 S Sale
3.8
Piluso Charles M.

Chairman and CEO

Executive Director Large shareholder
87,356 +6.8%
226.57
US$4,879,873 		87,356 +6.8% 226.57 US$4,879,873
2025-12-15 2025-12-12 S Sale
2.7
Maglione Lawrence A.
Non-Executive Director
2,778 -10.1%
5.03
US$13,973 		2,778 -10.1% 5.03 US$13,973
2025-12-15 2025-12-12 S Sale
2.7
Maglione Lawrence A.
Non-Executive Director
520 -1.9%
5.02
US$2,610 		520 -1.9% 5.02 US$2,610
2025-12-15 2025-12-11 S Sale
2.7
Maglione Lawrence A.
Non-Executive Director
5,695 -16.9%
5.03
US$28,646 		5,695 -16.9% 5.03 US$28,646
2025-12-15 2025-12-11 S Sale
2.7
Maglione Lawrence A.
Non-Executive Director
12,536 -27.1%
4.99
US$62,555 		12,536 -27.1% 4.99 US$62,555
2025-12-15 2025-12-11 S Sale
2.4
Correll Todd A.
Non-Executive Director
10,471 -23.8%
4.96
US$51,936 		10,471 -23.8% 4.96 US$51,936
2025-12-12 2025-12-10 S Sale
3.8
Piluso Charles M.

Chairman and CEO

Executive Director Large shareholder
20,089 -4.6%
4.99
US$100,312 		20,089 -4.6% 4.99 US$100,312
2025-12-12 2025-12-10 S Sale
3.0
Kempster Thomas
Non-Executive Director Large shareholder
6,846 -0.8%
4.99
US$34,185 		6,846 -0.8% 4.99 US$34,185
2025-12-12 2025-12-10 S Sale
3.3
Panagiotakos Christos

Chief Financial Officer

Officer
11,053 -21.4%
4.99
US$55,192 		11,053 -21.4% 4.99 US$55,192
2025-04-14 2025-04-10 S Sale
2.5
Schwartz Harold J

President

Executive Director Large shareholder
2,333 -0.3%
3.25
US$7,582 		2,333 -0.3% 3.25 US$7,582
2025-04-14 2025-04-10 S Sale
3.0
Kempster Thomas

EVP

Executive Director Large shareholder
2,333 -0.3%
3.25
US$7,582 		2,333 -0.3% 3.25 US$7,582
2025-04-01 2025-03-28 S Sale
3.3
Panagiotakos Christos

Chief Financial Officer

Officer
2,003 -5.3%
3.61
US$7,231 		2,003 -5.3% 3.61 US$7,231
2025-04-01 2025-03-28 S Sale
3.8
Piluso Charles M.

Chairman and CEO

Executive Director Large shareholder
3,390 -0.9%
3.55
US$12,034 		3,390 -0.9% 3.55 US$12,034
2025-03-04 2025-03-03 S Sale
3.0
Kempster Thomas

EVP

Executive Director Large shareholder
1,373 -0.2%
3.83
US$5,259 		1,373 -0.2% 3.83 US$5,259
2025-03-04 2025-03-03 S Sale
2.5
Schwartz Harold J

President

Executive Director Large shareholder
2,333 -0.3%
3.83
US$8,935 		2,333 -0.3% 3.83 US$8,935
2025-03-04 2025-03-03 S Sale
3.3
Panagiotakos Christos

Chief Financial Officer

Officer
1,765 -4.5%
3.83
US$6,760 		1,765 -4.5% 3.83 US$6,760
2025-03-04 2025-03-03 S Sale
3.8
Piluso Charles M.

Chairman and CEO

Executive Director Large shareholder
3,529 -0.9%
3.83
US$13,516 		3,529 -0.9% 3.83 US$13,516
2025-01-06 2025-01-02 S Sale
3.0
Kempster Thomas

EVP

Executive Director Large shareholder
1,593 -0.2%
4.23
US$6,738 		1,593 -0.2% 4.23 US$6,738
2025-01-06 2025-01-02 S Sale
3.3
Panagiotakos Christos

Chief Financial Officer

Officer
2,304 -7.8%
4.23
US$9,746 		2,304 -7.8% 4.23 US$9,746
2025-01-06 2025-01-02 S Sale
2.5
Schwartz Harold J

President

Executive Director Large shareholder
1,593 -0.2%
4.23
US$6,738 		1,593 -0.2% 4.23 US$6,738
2025-01-06 2025-01-02 S Sale
3.8
Piluso Charles M.

Chairman and CEO

Executive Director Large shareholder
2,048 -0.5%
4.23
US$8,663 		2,048 -0.5% 4.23 US$8,663
2019-01-31 2019-01-18 PlS Planned sale
3.0
Kempster Thomas

COO, Pres of Tech Ops & Secy

Executive Director Large shareholder
10,000 -0.0%
0.17
US$1,700 		10,000 -0.0% 0.17 US$1,700
2012-09-21 2012-09-19 B Purchase Piluso Charles M.

Pres, CEO, CFO,Chairman

Executive Director Large shareholder
666,667 +4.9%
0.15
US$100,000 		666,667 +4.9% 0.15 US$100,000
2012-09-21 2012-09-19 B Purchase Piluso Charles M.

Pres, CEO, CFO,Chairman

Executive Director Large shareholder
166,667 +1.2%
0.15
US$25,000 		166,667 +1.2% 0.15 US$25,000
2012-09-11 2012-09-10 B Purchase Coghlan John F. Non-Executive Director Large shareholder
833,333 +22.9%
0.15
US$125,000 		833,333 +22.9% 0.15 US$125,000
2012-09-11 2012-09-10 B Purchase Stein Clifford Non-Executive Director Large shareholder
833,333 +33.1%
0.15
US$125,000 		833,333 +33.1% 0.15 US$125,000
2012-02-15 2011-12-23 S Sale Piluso Charles M.

President, CEO, CFO

Executive Director
548,780 -5.5%
0.41
US$225,000 		548,780 -5.5% 0.41 US$225,000
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