X0508 4 2026-02-09 0 0001419951 Data Storage Corp DTST 0001448428 Piluso Charles M. C/O DATA STORAGE CORP 244 5TH AVENUE, SUITE 2821 NEW YORK NY 10001 1 1 1 0 Chairman and CEO 0 Common Stock 2026-02-09 4 A 0 160600 0 A 250032 D Represents the shares of the Issuer's common stock underlying a grant of a restricted stock unit ("RSU") to the Reporting Person on February 9, 2026, which vested in full on the date of grant. RSUs convert into common stock on a one-for-one basis. /s/ Wendy Schmittzeh, Attorney-in-fact 2026-02-11