Data Storage Corporation DTST NASDAQ

NASDAQ Capital Marke • Technology • Information Technology Services • US • USD

Data Storage Corporation (DTST) has 20 known insider and institutional holders on record. The largest holder is Schwarts Harold with 32,334,968 shares. Other notable holders include Piluso Family Associates, LLC and Burman Jan.

Over the last 12 months, insiders have made 41 transactions in DTST stock — 24 buys (valued at $1.25M) and 4 sells (valued at $203.66K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

DTST Insider Ownership

Top Holder

Schwarts Harold

32,334,968 shares

Buys (12 mo)

$1.25M value

Sells (12 mo)

$203.66K value

12-Month Transaction Activity

Buy 59%

Sell 10%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Schwarts Harold	10 Percent Owner, Officer: President and Treasurer	32,334,968	2019-01-25	100%
2	Piluso Family Associates, Llc	10 Percent Owner	3,269,863	2012-10-01	10%
3	Burman Jan	Director	2,414,070	2012-09-28	7%
4	Grosso Matthew P	EVP/cto/corporate Secretary	1,560,904	2012-10-16	5%
5	Briggs Peter W	EVP	619,047	2012-10-16	2%
6	Civale Biagio	Director	426,838	2011-12-16	1%
7	Schmittzeh Wendy	Officer	387,409	2021-04-07	1%
8	Piluso Charles M.	10 Percent Owner, Officer: Chairman and CEO	250,000	2026-02-18	1%
9	Rebetti Richard P. Jr.	COO	113,815	2012-08-01	0%
10	Panagiotakos Christos	Chief Financial Officer	100,507	2026-02-18	0%
11	Wyllie Mark Alexander	Executive Vice President	100,000	2022-06-14	0%
12	Coghlan John F.	Director	33,333	2020-02-19	0%
13	Correll Todd A.	Director	10,000	2026-02-02	0%
14	Schwartz Harold J	Director	10,000	2026-02-02	0%
15	Maglione Lawrence A.	Director	10,000	2026-02-02	0%
16	Grover Matthew	Director	10,000	2026-02-02	0%
17	Stein Clifford	Director	10,000	2026-02-02	0%
18	Kempster Thomas	Director	10,000	2026-02-02	0%
19	Stallone Nancy	Director	10,000	2026-02-02	0%
20	Mitchell Uwayne A.	Director	10,000	2026-02-02	0%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-02-13	Panagiotakos Christos	Chief Financial Officer	RSU Award	60,000	-	-
2026-02-13	Piluso Charles M.	10 Percent Owner, Officer: Chairman and CEO	RSU Award	250,000	$4.84	$1.21M
2026-02-09	Piluso Charles M.	10 Percent Owner, Officer: Chairman and CEO	RSU Award	160,600	-	-
2026-01-29	Mitchell Uwayne A.	Director	RSU Award	10,000	-	-
2026-01-29	Grover Matthew	Director	RSU Award	10,000	-	-
2026-01-29	Kempster Thomas	Director	RSU Award	10,000	-	-
2026-01-29	Schwartz Harold J	Director	RSU Award	10,000	-	-
2026-01-29	Correll Todd A.	Director	RSU Award	10,000	-	-
2026-01-29	Stein Clifford	Director	RSU Award	10,000	-	-
2026-01-29	Maglione Lawrence A.	Director	RSU Award	10,000	-	-
2026-01-29	Argen John	Director	RSU Award	10,000	-	-
2026-01-29	Stallone Nancy	Director	RSU Award	10,000	-	-
2026-01-14	Mitchell Uwayne A.	Director	Return of Shares	11,248	$5.20	$58.49K
2026-01-14	Grover Matthew	Director	Return of Shares	43,340	$5.20	$225.37K
2025-12-12	Grover Matthew	Director	Tax Withholding of RSU	10,202	$4.97	$50.7K
2026-01-14	Kempster Thomas	10 Percent Owner	Return of Shares	881,472	$5.20	$4.58M
2026-01-14	Schwartz Harold J	10 Percent Owner	Return of Shares	7,500	$5.20	$39K
2026-01-14	Stein Clifford	Director	Return of Shares	280,850	$5.20	$1.46M
2026-01-14	Piluso Charles M.	10 Percent Owner, Officer: Chairman and CEO	Return of Shares	230,116	$5.20	$1.2M
2026-01-14	Maglione Lawrence A.	Director	Return of Shares	24,752	$5.20	$128.71K
2026-01-14	Argen John	Director	Return of Shares	57,207	$5.20	$297.48K
2026-01-14	Stallone Nancy	Director	Return of Shares	11,248	$5.20	$58.49K
2025-12-16	Schwartz Harold J	10 Percent Owner	Option Exercise	10,352	$3.22	$33.33K
2025-12-12	Grover Matthew	Director	Option Exercise	627	$2.16	$1.35K
2025-12-11	Grover Matthew	Director	Option Exercise (Sell)	2,500	$1.82	$4.55K