Thomas Kempster - 04 Aug 2025 Form 4 Insider Report for Data Storage Corp (DTST)

Role: EVP, Director, 10%+ Owner
Signature: /s/ Wendy Schmittzeh, Attorney-in-fact
Issuer symbol: DTST
Transactions as of: 04 Aug 2025
Net transactions value: +$52,548
Form type: 4
Filing time: 05 Aug 2025, 17:40:55 UTC
Previous filing: 14 Apr 2025
Next filing: 15 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Kempster Thomas	EVP, Director, 10%+ Owner	C/O DATA STORAGE CORPORATION, 225 BROADHOLLOW ROAD, SUITE 307, MELVILLE	/s/ Wendy Schmittzeh, Attorney-in-fact	05 Aug 2025	0001688904

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DTST	Common Stock	Options Exercise	$33,332	+16,666	+2%	$2.00	855,778	04 Aug 2025	Direct	F1
transaction	DTST	Common Stock	Options Exercise	$19,216	+9,804	+1.1%	$1.96	865,582	04 Aug 2025	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	DTST	Stock Option	Options Exercise	$0	-16,666	-67%	$0.000000	8,334	04 Aug 2025	Common Stock	16,666	$2.00	Direct	F1
transaction	DTST	Stock Option	Options Exercise	$0	-9,804	-67%	$0.000000	4,902	04 Aug 2025	Common Stock	9,804	$1.96	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the shares of the Issuer's common stock underlying the vested portion of a stock option grant issued to the Reporting Person on March 1, 2023, that was exercised by the Reporting Person on August 4, 2025.
F2	Represents the shares of the Issuer's common stock underlying the vested portion of a stock option grant issued to the Reporting Person on April 10, 2023, that was exercised by the Reporting Person on August 4, 2025.