Harold J. Schwartz - 16 Dec 2025 Form 4 Insider Report for Data Storage Corp (DTST)

Role
Director, 10%+ Owner
Signature
/s/ Wendy Schmittzeh, Attorney-in-fact
Issuer symbol
DTST
Transactions as of
16 Dec 2025
Net transactions value
+$85,883
Form type
4
Filing time
18 Dec 2025, 19:57:52 UTC
Previous filing
15 Sep 2025
Next filing
16 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Schwartz Harold J Director, 10%+ Owner C/O DATA STORAGE CORP, 244 5TH AVENUE, SUITE 2821, NEW YORK /s/ Wendy Schmittzeh, Attorney-in-fact 18 Dec 2025 0001688899

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DTST Common Stock Options Exercise $19,216 +9,804 +1.1% $1.96 910,563 16 Dec 2025 Direct F1
transaction DTST Common Stock Options Exercise $33,334 +16,667 +1.8% $2.00 927,230 16 Dec 2025 Direct F2
transaction DTST Common Stock Options Exercise $33,333 +10,352 +1.1% $3.22 937,582 16 Dec 2025 Direct F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction DTST Stock Option Options Exercise $0 +9,804 $0.000000 0 16 Dec 2025 Common Stock 9,804 $1.96 Direct F1
transaction DTST Stock Option Options Exercise $0 +16,667 $0.000000 0 16 Dec 2025 Common Stock 16,667 $2.00 Direct F2
transaction DTST Stock Option Options Exercise $0 +10,352 $0.000000 0 16 Dec 2025 Common Stock 10,352 $3.22 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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 1, 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. The Option is exercisable for a term of 5 years.
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 April 10, 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. The Option is exercisable for a term of 5 years.
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 January 2, 2024, the unexercised portion of which vested in full immediately upon consummation of the divestiture of the Issuer's CloudFirst business on September 11, 2025. The Option is exercisable for a term of 5 years.