Thomas Kempster - 14 Jan 2026 Form 4 Insider Report for Data Storage Corp (DTST)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: DTST
Reported as of: 14 Jan 2026
Net transaction value: -$4,583,654
SEC form: 4
Accepted by SEC: 16 Jan 2026, 17:29:41 UTC
Prior SEC filing: 12 Dec 2025
Next SEC filing: 02 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Wendy Schmittzeh, Attorney-in-fact

Key filing fact

Thomas Kempster filed Form 4 for Data Storage Corp (DTST) on 16 Jan 2026.

Key facts

This page summarizes Thomas Kempster's Form 4 filing for Data Storage Corp (DTST).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 16 Jan 2026, 17:29.

Change

Previous filing in this sequence was filed on 12 Dec 2025.
Current net transaction value: -$4,583,654.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001688904 Primary reporting owner

Kempster Thomas

Relationship: Director, 10%+ Owner
Address: C/O DATA STORAGE CORP, 244 5TH AVENUE, SUITE 2821, NEW YORK
Signature: /s/ Wendy Schmittzeh, Attorney-in-fact
Signature date: 16 Jan 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DTST transaction

Common Stock

Disposed to Issuer

Transaction value: $4,583,654
Shares: -881,472
Change %: -100%
Price: $5.20
Shares after: 0
Date: 14 Jan 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents sale of shares to issuer pursuant to issuer tender offer exempt under Rule 16b-3.

Footnote F2

Includes 9,500 shares of common stock that were inadvertently excluded from previous reports filed by the reporting person.

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