Data Storage Corp (DTST) director exercises vested stock options after CloudFirst sale

Rhea-AI Filing Summary

Data Storage Corp director filed a Form 4 reporting several stock option exercises on 12/12/2025. The director acquired common stock through multiple option exercises, including 627 shares at an exercise price of $2.16 and additional blocks of 2,500 shares at exercise prices ranging from $1.48 to $3.24.

These options were originally granted between 2019 and 2023, with 10-year terms, and in several cases vested in full immediately upon consummation of the divestiture of the company’s CloudFirst business on 09/11/2025. A total of 10,190 shares were withheld to cover the option exercise price, and the director reported owning 43,352 shares of common stock directly after the transactions.

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

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Grover Matthew

(Last) (First) (Middle)

C/O DATA STORAGE CORP

244 5TH AVENUE, SUITE 2821

(Street)

NEW YORK NY 10001

(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		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
12/12/2025

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	12/12/2025		M		627(1)	A	$2.16	33,542	D
Common Stock	12/12/2025		M		2,500(2)	A	$3.23	36,042	D
Common Stock	12/12/2025		M		2,500(3)	A	$2.45	38,542	D
Common Stock	12/12/2025		M		2,500(4)	A	$2.04	41,042	D
Common Stock	12/12/2025		M		2,500(5)	A	$1.48	43,542	D
Common Stock	12/12/2025		M		2,500(6)	A	$1.82	46,042	D
Common Stock	12/12/2025		M		2,500(7)	A	$2.33	48,542	D
Common Stock	12/12/2025		M		2,500(8)	A	$3.24	51,042	D
Common Stock	12/12/2025		M		2,500(9)	A	$2.88	53,542	D
Common Stock	12/12/2025		F		10,190(10)	D	$4.97	43,352	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
Stock Option	$2.16	12/11/2025		M			627	(1)	(1)	Common Stock	627	$0	0	D
Stock Option	$3.23	12/11/2025		M			2,500	(2)	(2)	Common Stock	2,500	$0	0	D
Stock Option	$2.45	12/11/2025		M			2,500	(3)	(3)	Common Stock	2,500	$0	0	D
Stock Option	$2.04	12/11/2025		M			2,500	(4)	(4)	Common Stock	2,500	$0	0	D
Stock Option	$1.48	12/11/2025		M			2,500	(5)	(5)	Common Stock	2,500	$0	0	D
Stock Option	$1.82	12/11/2025		M			2,500	(6)	(6)	Common Stock	2,500	$0	0	D
Stock Option	$2.33	12/11/2025		M			2,500	(7)	(7)	Common Stock	2,500	$0	0	D
Stock Option	$3.24	12/11/2025		M			2,500	(8)	(8)	Common Stock	2,500	$0	0	D
Stock Option	$2.88	12/11/2025		M			2,500	(9)	(9)	Common Stock	2,500	$0	0	D

Explanation of Responses:

1. Represents shares of common stock issued upon exercise of a stock option that was issued to the Reporting Person on December 11, 2019 which were fully vested on the third anniversary of the date of grant. The Option is exercisable for a term of 10 years.

2. Represents shares of common stock issued upon exercise of a stock option that was issued to the Reporting Person on March 31, 2022 which were fully vested on the third anniversary of the date of grant. The Option is exercisable for a term of 10 years.

3. Represents shares of common stock issued upon exercise of a stock option that was issued to the Reporting Person on June 30, 2022 which were fully vested on the third anniversary of the date of grant. The Option is exercisable for a term of 10 years.

4. Represents shares of common stock issued upon exercise of a stock option that was issued to the Reporting Person on September 30, 2022, 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 10 years.

5. Represents shares of common stock issued upon exercise of a stock option that was issued to the Reporting Person on December 30, 2022, 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 10 years.

6. Represents shares of common stock issued upon exercise of a stock option that was issued to the Reporting Person on March 31, 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 10 years.

7. Represents shares of common stock issued upon exercise of a stock option that was issued to the Reporting Person on June 30, 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 10 years.

8. Represents shares of common stock issued upon exercise of a stock option that was issued to the Reporting Person on September 29, 2023, 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 10 years.

9. Represents shares of common stock issued upon exercise of a stock option that was issued to the Reporting Person on December 31, 2023, 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 10 years.

10. Represents shares withheld to cover the exercise price of the options exercised.

	/s/ Wendy Schmittzeh, Attorney-in-fact	12/15/2025
	** 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.
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FAQ

What insider transaction did Data Storage Corp (DTST) report in this Form 4?

A director of Data Storage Corp reported exercising multiple stock options into common stock on 12/12/2025, with shares also withheld to cover the option exercise price.

How many Data Storage Corp shares does the director own after the reported transactions?

Following the reported option exercises and share withholding, the director beneficially owns 43,352 shares of Data Storage Corp common stock directly.

At what prices were the Data Storage Corp stock options exercised on 12/12/2025?

The director exercised options to acquire 627 shares at $2.16 per share and several blocks of 2,500 shares each at exercise prices of $3.23, $2.45, $2.04, $1.48, $1.82, $2.33, $3.24, and $2.88 per share.

Why were 10,190 Data Storage Corp shares shown as disposed of on the Form 4?

The entry for 10,190 shares with transaction code F represents shares withheld to cover the exercise price of the stock options that were exercised.

Which stock option grants were exercised by the Data Storage Corp director?

The exercised options were originally granted on dates including December 11, 2019, March 31, 2022, June 30, 2022, September 30, 2022, December 30, 2022, March 31, 2023, June 30, 2023, September 29, 2023, and December 31, 2023, each with a 10-year term.

How is the CloudFirst business divestiture related to the Data Storage Corp options exercised?

Several of the options exercised by the director vested in full immediately upon consummation of the divestiture of Data Storage Corp’s CloudFirst business on 09/11/2025, as described in the footnotes.