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: Kempster Thomas (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-10	Common Stock	S	6846	$4.9934	Disposed	871972	Direct

Footnotes

F1: Represents shares of the Issuer's common stock sold to satisfy tax withholding obligations of Thomas Kempster (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.