DTST Form 4: Thomas Kempster reports 13,236 shares vested after CloudFirst divestiture

Rhea-AI Filing Summary

Data Storage Corp reporting officer and director Thomas Kempster received vesting of restricted stock units that converted into common stock upon a corporate divestiture. Two RSU awards totaling 13,236 shares (4,902 and 8,334) vested and were reported as acquired on 09/11/2025, with the Reporting Person's beneficial ownership increasing to 878,818 shares following the transactions. The filings state these RSUs were granted on 03/01/2023 and 04/10/2023 and vested in full immediately upon consummation of the divestiture of the Issuer’s CloudFirst business.

Positive

• 13,236 shares vested from prior RSU grants, increasing the reporting person’s ownership and aligning compensation realization with the CloudFirst divestiture
• Beneficial ownership reported at 878,818 shares after the transactions, providing clear disclosure of insider holdings

Negative

• None.

Insights

Financial Analyst

TL;DR: Insider received 13,236 shares via RSU vesting tied to the CloudFirst divestiture, modestly increasing reported holdings to 878,818 shares.

The reported transactions are non-derivative acquisitions resulting from full vesting of two prior RSU grants upon consummation of the CloudFirst divestiture on 09/11/2025. The economic effect is acquisition of 13,236 shares at $0 purchase price (conversion of RSUs). This is a routine, non-sale insider event; it increases disclosed insider stake but does not indicate active buying or selling in the open market. No cash proceeds, option exercises, or dispositions are reported.

Corporate Governance Expert

TL;DR: Vesting triggered by a corporate divestiture is a governance-driven compensation event, not a trading decision by the insider.

The Form 4 discloses that unvested RSUs from grants dated 03/01/2023 and 04/10/2023 vested in full upon the CloudFirst divestiture, converting to common stock on a one-for-one basis. Reporting shows direct beneficial ownership and identifies the reporting person as an EVP, director and >10% owner. The filing is appropriately executed and dated with an attorney-in-fact signature; it documents a compensation/transactional vesting event rather than discretionary insider trading.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Kempster Thomas

(Last) (First) (Middle)

C/O DATA STORAGE CORP,

225 BROADHOLLOW ROAD, SUITE 307

(Street)

MELVILLE NY 11747

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Data Storage Corp [ DTST ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	EVP

3. Date of Earliest Transaction (Month/Day/Year)
09/11/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/11/2025		M		4,902(1)	A	(2)	870,484	D
Common Stock	09/11/2025		M		8,334(1)	A	(3)	878,818	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(1)	09/11/2025		M			4,902(1)	(2)	(2)	Common Stock	4,902	$0	0	D
Restricted Stock Unit	(1)	09/11/2025		M			8,334(1)	(3)	(3)	Common Stock	8,334	$0	0	D

Explanation of Responses:

1. Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

2. 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.

3. 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.

	/s/ Wendy Schmittzeh, Attorney-in-fact	09/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did Data Storage Corp (DTST) report for Thomas Kempster on 09/11/2025?

The Form 4 reports acquisition of 13,236 shares via vesting of two RSU awards (4,902 and 8,334) that converted into common stock on 09/11/2025.

Why did the RSUs for Thomas Kempster vest on 09/11/2025?

The filing states the unvested RSUs vested in full immediately upon consummation of the divestiture of the Issuer's CloudFirst business on 09/11/2025.

What grants led to the shares acquired by Thomas Kempster?

The shares derive from RSU grants dated 03/01/2023 (4,902 RSUs) and 04/10/2023 (8,334 RSUs), which converted one-for-one into common stock.

How many shares does Thomas Kempster beneficially own after the reported transactions?

After the reported RSU vestings, the Form 4 shows Thomas Kempster beneficially owns 878,818 shares.

Was there any cash purchase or sale reported in these transactions?

No cash purchase or sale is reported; the transactions reflect RSU vesting and conversion to common stock at $0 price.