Thomas Kempster - Sep 11, 2025 Form 4 Insider Report for Data Storage Corp (DTST)

Role
EVP, Director, 10%+ Owner
Signature
/s/ Wendy Schmittzeh, Attorney-in-fact
Stock symbol
DTST
Transactions as of
Sep 11, 2025
Transactions value $
$0
Form type
4
Date filed
9/15/2025, 09:37 PM
Previous filing
Aug 5, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kempster Thomas EVP, Director, 10%+ Owner C/O DATA STORAGE CORP,, 225 BROADHOLLOW ROAD, SUITE 307, MELVILLE /s/ Wendy Schmittzeh, Attorney-in-fact 2025-09-15 0001688904

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DTST Common Stock Options Exercise +4.9K +0.57% 870K Sep 11, 2025 Direct F1, F2
transaction DTST Common Stock Options Exercise +8.33K +0.96% 879K Sep 11, 2025 Direct F1, 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 Restricted Stock Unit Options Exercise $0 -4.9K -100% $0.00 0 Sep 11, 2025 Common Stock 4.9K Direct F1, F2
transaction DTST Restricted Stock Unit Options Exercise $0 -8.33K -100% $0.00 0 Sep 11, 2025 Common Stock 8.33K Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.
F2 Represents shares of the Issuer's common stock underlying the unvested portion of an RSU granted to the Reporting Person on March 1, 2023, which unvested RSUs vested in full immediately upon consummation of the divestiture of the Issuer's CloudFirst business on September 11, 2025.
F3 Represents shares of the Issuer's common stock underlying the unvested portion of an RSU granted to the Reporting Person on April 10, 2023, which unvested RSUs vested in full immediately upon consummation of the divestiture of the Issuer's CloudFirst business on September 11, 2025.