Data Storage Corp — Director's Dealing 2025

Dec 12, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Data Storage Corp (DTST)
CIK: 0001419951
Period of Report: 2025-12-10

Reporting Person: Piluso Charles M. (Director, Chairman and CEO, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-10	Common Stock	S	20089	$4.9934	Disposed	413291	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	16667	Indirect
Common Stock	65083	Indirect
Common Stock	230116	Indirect
Common Stock	230116	Indirect

Footnotes

F1: Represents shares of the Issuer's common stock sold to satisfy tax withholding obligations of Charles M. Piluso (the "Reporting Person")

F2: The price reported is a weighted average price. These shares were disposed in multiple transactions at prices ranging from $4.9518 through $5.0001 (the "Range"), inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the Range.

F3: The Reporting Person is a Managing Member of Piluso Family Associates, together with his spouse. The Reporting Person is a Managing Member of Piluso Family Associates LLC, together with his spouse.

F4: The Reporting Person's spouse is the beneficiary of The Lasata 2012 Trust dated 5/4/12 (the "Lasata Trust") and the Reporting Person's spouse, together with Lawrence Maglione, a director of the Issuer, are the co-trustees of the Lasata Trust.

F5: The Reporting Person is the beneficiary of The Bella Vita 2012 Trust dated 5/4/12 (the "Bella Vita Trust") and the Reporting Person, together with his spouse, are the co-trustees thereof.