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Data Storage Corp

DTST Net selling
CIK 0001419951 #5340 in the set updated 17 Sep 2026
Bought (120 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$825.37K
$53.74K on a plan · $158.30K straight out of an exercise
Sold at will
$613.34K
17 of 28 sales
Net
−$825.37K
−$613.34K against sales at will

By person

13 insiders · 59 transactions
2.6×

Charles M. Piluso holds only 2.6 times base salary in stock. $652.49K of shares against $250.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Charles M. Piluso last reported holding, valued at $2.93, the price Common Stock was last bought or sold at on the open market here, on 11 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Piluso Charles M.
Chairman and CEO
$467.84K (7)
−$467.84K
223,074
$652.49K
−75.0%
Maglione Lawrence A.
Director
$107.78K (4) scheduled
−$107.78K
22,000
$64.35K
Panagiotakos Christos
Chief Financial Officer
$78.93K (4)
−$78.93K
100,507
$293.98K
+1,706%
Kempster Thomas
Director
$65.70K (6)
−$65.70K
18,500
$54.11K
−97.7%
Correll Todd A.
Director
$51.94K (1) scheduled
−$51.94K
55,540
$162.45K
Schwartz Harold J
Director
$23.26K (3) scheduled
−$23.26K
50,471
$147.63K
−93.7%
Stein Clifford
Director
$12.17K (1)
−$12.17K
18,009
$52.68K
−93.3%
Argen John
Director
$8.91K (1)
−$8.91K
19,000
$55.58K
+219.1%
Mitchell Uwayne A.
Director
$8.85K (1)
−$8.85K
19,000
$55.58K
Wyllie Mark Alexander
Executive Vice President
100,000
$292.50K
Grover Matthew
Director
22,000
$64.35K
Stallone Nancy
Director
22,000
$64.35K
Hoffman Joseph B.
Director
12,500
$36.56K

No percentages here. This company's share count has moved by a factor of 3.5 over the window, from 2,167,138 to 7,498,358 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
Kempster Thomas
11 Sep 2026
Director
Sell
3,500
$2.93
$10.24K
Mitchell Uwayne A.
11 Sep 2026
Director
Sell
3,000
$2.95
$8.85K
Stein Clifford
10 Sep 2026
Director
Sell
3,991
$3.05
$12.17K
Argen John
10 Sep 2026
Director
Sell
3,000
$2.97
$8.91K
Piluso Charles M.
26 May 2026
Chairman and CEO
Sell
32,610
$3.82
$124.57K
Piluso Charles M.
22 May 2026
Chairman and CEO
Sell
41,793
$3.82
$159.65K
Piluso Charles M.
21 May 2026
Chairman and CEO
Sell
12,555
$3.91
$49.09K
Schwartz Harold J
16 Dec 2025
Director
Exercised, kept
10,352
$3.22
$33.33K
Schwartz Harold J
16 Dec 2025
Director
Exercised, kept
16,667
$2.00
$33.33K
Schwartz Harold J
16 Dec 2025
Director
Exercised, kept
9,804
$1.96
$19.22K
Maglione Lawrence A.
12 Dec 2025
Director
Sell
2,778
$5.03
$13.97K
Maglione Lawrence A.
12 Dec 2025
Director
Sell
520
$5.02
$2.61K
Grover Matthew
12 Dec 2025
Director
Exercised, kept
2,500
$2.88
$7.20K
Grover Matthew
12 Dec 2025
Director
Exercised, kept
2,500
$3.24
$8.10K
Grover Matthew
12 Dec 2025
Director
Exercised, kept
2,500
$2.33
$5.83K
Grover Matthew
12 Dec 2025
Director
Exercised, kept
2,500
$1.82
$4.55K
Grover Matthew
12 Dec 2025
Director
Exercised, kept
2,500
$1.48
$3.70K
Grover Matthew
12 Dec 2025
Director
Exercised, kept
2,500
$2.04
$5.10K
Grover Matthew
12 Dec 2025
Director
Exercised, kept
2,500
$2.45
$6.13K
Grover Matthew
12 Dec 2025
Director
Exercised, kept
2,500
$3.23
$8.08K
Grover Matthew
12 Dec 2025
Director
Exercised, kept
627
$2.16
$1.35K
Correll Todd A.
11 Dec 2025
Director
Sold after exercise
10,471
$4.96
$51.94K
Maglione Lawrence A.
11 Dec 2025
Director
Sold after exercise
5,695
$5.03
$28.65K
Maglione Lawrence A.
11 Dec 2025
Director
Sold after exercise
12,536
$4.99
$62.55K
Panagiotakos Christos
10 Dec 2025
Chief Financial Officer
Sell
11,053
$4.99
$55.19K
Kempster Thomas
10 Dec 2025
Director
Sell
6,846
$4.99
$34.18K
Piluso Charles M.
10 Dec 2025
Chairman and CEO
Sell
20,089
$4.99
$100.31K
Argen John
9 Oct 2025
Director
Exercised, kept
1,667
$2.88
$4.80K
Argen John
9 Oct 2025
Director
Exercised, kept
2,500
$3.24
$8.10K
Argen John
9 Oct 2025
Director
Exercised, kept
1,667
$2.33
$3.88K
Argen John
9 Oct 2025
Director
Exercised, kept
834
$1.82
$1.52K
Argen John
9 Oct 2025
Director
Exercised, kept
834
$1.48
$1.23K
Argen John
9 Oct 2025
Director
Exercised, kept
834
$2.04
$1.70K
Argen John
9 Oct 2025
Director
Exercised, kept
834
$2.45
$2.04K
Argen John
9 Oct 2025
Director
Exercised, kept
2,500
$3.23
$8.08K
Kempster Thomas
4 Aug 2025
EVP
Exercised, kept
9,804
$1.96
$19.22K
Kempster Thomas
4 Aug 2025
EVP
Exercised, kept
16,666
$2.00
$33.33K
Schwartz Harold J
24 Jul 2025
President
Exercised, kept
5,176
$3.22
$16.67K
Schwartz Harold J
10 Apr 2025
President
Sold after exercise
2,333
$3.25
$7.58K
Kempster Thomas
10 Apr 2025
EVP
Sold after exercise
2,333
$3.25
$7.58K
Panagiotakos Christos
28 Mar 2025
Chief Financial Officer
Sold on a plan
2,003
$3.61
$7.23K
Piluso Charles M.
28 Mar 2025
Chairman and CEO
Sold on a plan
3,390
$3.55
$12.03K
Piluso Charles M.
3 Mar 2025
Chairman and CEO
Sold on a plan
3,529
$3.83
$13.52K
Schwartz Harold J
3 Mar 2025
President
Sold on a plan
2,333
$3.83
$8.94K
Panagiotakos Christos
3 Mar 2025
Chief Financial Officer
Sold on a plan
1,765
$3.83
$6.76K
Kempster Thomas
3 Mar 2025
EVP
Sold on a plan
1,373
$3.83
$5.26K
Panagiotakos Christos
2 Jan 2025
Chief Financial Officer
Sell
2,304
$4.23
$9.75K
Kempster Thomas
2 Jan 2025
EVP
Sell
1,593
$4.23
$6.74K
Piluso Charles M.
2 Jan 2025
Chairman and CEO
Sell
2,048
$4.23
$8.66K
Schwartz Harold J
2 Jan 2025
President
Sell
1,593
$4.23
$6.74K
Schwartz Harold J
10 Dec 2024
President
Exercised, kept
8,333
$2.00
$16.67K
Schwartz Harold J
10 Dec 2024
President
Exercised, kept
4,902
$1.96
$9.61K
Schwartz Harold J
10 Dec 2024
President
Exercised, kept
2,500
$2.40
$6.00K
Piluso Charles M.
10 Dec 2024
Chairman and CEO
Exercised, kept
2,500
$2.40
$6.00K
Kempster Thomas
10 Dec 2024
EVP
Exercised, kept
2,500
$2.40
$6.00K
Argen John
26 Dec 2023
Director
Exercised, kept
833
$2.04
$1.70K
Argen John
15 Feb 2022
Director
Exercised, kept
1,667
$2.16
$3.60K
Argen John
15 Feb 2022
Director
Exercised, kept
1,667
$2.00
$3.33K
Kempster Thomas
18 Jan 2019
COO, Pres of Tech Ops & Secy
Sell
10,000
$0.17
$1.70K

What was left out

Form 4 filings counted 142
Amendments (4/A) skipped 19
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 6
Sales straight out of an exercise 5
Sales at will 17
Transactions with no price 0
Shares from compensation/vesting 4,315,340
Sales filed before the plan box existed 1
History held since 31 Jan 2019