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

Signature
/s/ Wendy Schmittzeh, Attorney-in-fact
Stock symbol
DTST
Transactions as of
Aug 4, 2025
Transactions value $
$52,548
Form type
4
Date filed
8/5/2025, 05:40 PM
Previous filing
Apr 14, 2025
Next filing
Sep 15, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kempster Thomas EVP, Director, 10%+ Owner C/O DATA STORAGE CORPORATION, 225 BROADHOLLOW ROAD, SUITE 307, MELVILLE /s/ Wendy Schmittzeh, Attorney-in-fact 2025-08-05 0001688904

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DTST Common Stock Options Exercise $33.3K +16.7K +1.99% $2.00 856K Aug 4, 2025 Direct F1
transaction DTST Common Stock Options Exercise $19.2K +9.8K +1.15% $1.96 866K Aug 4, 2025 Direct F2

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 -16.7K -66.66% $0.00 8.33K Aug 4, 2025 Common Stock 16.7K $2.00 Direct F1
transaction DTST Stock Option Options Exercise $0 -9.8K -66.67% $0.00 4.9K Aug 4, 2025 Common Stock 9.8K $1.96 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the shares of the Issuer's common stock underlying the vested portion of a stock option grant issued to the Reporting Person on March 1, 2023, that was exercised by the Reporting Person on August 4, 2025.
F2 Represents the shares of the Issuer's common stock underlying the vested portion of a stock option grant issued to the Reporting Person on April 10, 2023, that was exercised by the Reporting Person on August 4, 2025.