Data Storage Corp — Director's Dealing 2025

Oct 14, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Data Storage Corp (DTST)
CIK: 0001419951
Period of Report: 2025-10-09

Reporting Person: Argen John (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-09	Common Stock	M	2500	$3.23	Acquired	37082	Direct
2025-10-09	Common Stock	M	834	$2.45	Acquired	37916	Direct
2025-10-09	Common Stock	M	834	$2.04	Acquired	38750	Direct
2025-10-09	Common Stock	M	834	$1.48	Acquired	39584	Direct
2025-10-09	Common Stock	M	834	$1.82	Acquired	40418	Direct
2025-10-09	Common Stock	M	1667	$2.33	Acquired	42085	Direct
2025-10-09	Common Stock	M	2500	$3.24	Acquired	44585	Direct
2025-10-09	Common Stock	M	1667	$2.88	Acquired	46252	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-09	Option to Purchase Stock	$3.23	M	2500	Disposed		Common Stock (2500)	Direct
2025-10-09	Option to Purchase Stock	$2.45	M	834	Disposed		Common Stock (834)	Direct
2025-10-09	Option to Purchase Stock	$2.04	M	834	Disposed		Common Stock (834)	Direct
2025-10-09	Option to Purchase Stock	$1.48	M	834	Disposed		Common Stock (834)	Direct
2025-10-09	Option to Purchase Stock	$1.82	M	834	Disposed		Common Stock (834)	Direct
2025-10-09	Option to Purchase Stock	$2.33	M	1667	Disposed		Common Stock (1667)	Direct
2025-10-09	Option to Purchase Stock	$3.24	M	2500	Disposed		Common Stock (2500)	Direct
2025-10-09	Option to Purchase Stock	$2.88	M	1667	Disposed		Common Stock (1667)	Direct

Footnotes

F1: Represents shares of common stock issued upon exercise of a stock option that was issued to the Reporting Person on March 31, 2022 which were fully vested on the third anniversary of the date of grant.

F2: Represents shares of common stock issued upon exercise of the unexercised portion of a stock option that was issued to the Reporting Person on June 30, 2022 which were fully vested on the third anniversary of the date of grant.

F3: Represents shares of common stock issued upon exercise of the unexercised portion of a stock option that was issued to the Reporting Person on September 30, 2022, the unexercised portion of which vested in full immediately upon consummation of the divestiture of the Issuer's CloudFirst business on September 11, 2025.

F4: Represents shares of common stock issued upon exercise of the unexercised portion of a stock option that was issued to the Reporting Person on December 30, 2022, the unexercised portion of which vested in full immediately upon consummation of the divestiture of the Issuer's CloudFirst business on September 11, 2025.

F5: Represents shares of common stock issued upon exercise of the unexercised portion of a stock option that was issued to the Reporting Person on March 31, 2023, the unexercised portion of which vested in full immediately upon consummation of the divestiture of the Issuer's CloudFirst business on September 11, 2025.

F6: Represents shares of common stock issued upon exercise of the unexercised portion of a stock option that was issued to the Reporting Person on June 30, 2023, the unexercised portion of which vested in full immediately upon consummation of the divestiture of the Issuer's CloudFirst business on September 11, 2025.

F7: Represents shares of common stock issued upon exercise of a stock option that was issued to the Reporting Person on September 29, 2023, which vested in full immediately upon consummation of the divestiture of the Issuer's CloudFirst business on September 11, 2025.

F8: Represents shares of common stock issued upon exercise of the unexercised portion of a stock option that was issued to the Reporting Person on December 31, 2023, which vested in full immediately upon consummation of the divestiture of the Issuer's CloudFirst business on September 11, 2025.