X0508 4 2026-01-14 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 2026-01-14 4 D 0 323859 5.20 D 89432 D Common Stock 2026-01-14 4 D 0 16667 5.20 D 0 I Piluso Family Associates Common Stock 2026-01-14 4 D 0 65083 5.20 D 0 I Piluso Family Associates LLC Common Stock 2026-01-14 4 D 0 230116 5.20 D 0 I The Lasata 2012 Trust date 5/4/12 Common Stock 2026-01-14 4 D 0 230116 5.20 D 0 I The Bella Vita 2012 Trust dated 5/4/12 Represents sale of shares to issuer pursuant to issuer tender offer exempt under Rule 16b-3. 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. 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. 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 of the Bella Vita Trust. /s/ Wendy Schmittzeh, Attorney-in-fact 2026-01-16