Data Storage Corp (DTST) insider boosts holdings via option exercises

Rhea-AI Filing Summary

Data Storage Corp reported that a director who is also a 10% owner exercised previously granted stock options on 12/16/2025. The insider acquired 9,804 shares at $1.96, 16,667 shares at $2.00, and 10,352 shares at $3.22 per share of common stock. Following these exercises, the reporting person beneficially owns 937,582 shares of common stock directly.

The options exercised had been issued between March 1, 2023 and January 2, 2024, and their remaining unexercised portions vested in full upon the consummation of the divestiture of the company’s CloudFirst business on September 11, 2025. The reported options were exercisable for a term of five years, and after these transactions, the specific option grants shown have been fully exercised.

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^*

Schwartz Harold J

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

3. Date of Earliest Transaction (Month/Day/Year)
12/16/2025

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	12/16/2025		M		9,804(1)	A	$1.96	910,563	D
Common Stock	12/16/2025		M		16,667(2)	A	$2	927,230	D
Common Stock	12/16/2025		M		10,352(3)	A	$3.22	937,582	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	$1.96	12/16/2025		M		9,804		(1)	(1)	Common Stock	9,804	$0	0	D
Stock Option	$2	12/16/2025		M		16,667		(2)	(2)	Common Stock	16,667	$0	0	D
Stock Option	$3.22	12/16/2025		M		10,352		(3)	(3)	Common Stock	10,352	$0	0	D

Explanation of Responses:

1. Represents shares of common stock issued upon exercise of the unexercised portion of a stock option that was issued to the Reporting Person on March 1, 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 5 years.

2. Represents shares of common stock issued upon exercise of the unexercised portion of a stock option that was issued to the Reporting Person on April 10, 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 5 years.

3. Represents shares of common stock issued upon exercise of the unexercised portion of a stock option that was issued to the Reporting Person on January 2, 2024, 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 5 years.

	/s/ Wendy Schmittzeh, Attorney-in-fact	12/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did Data Storage Corp (DTST) report?

A director and 10% owner of Data Storage Corp reported exercising stock options on 12/16/2025, acquiring common shares and increasing their direct holdings.

How many Data Storage Corp (DTST) shares did the insider acquire?

The insider acquired 9,804 shares at $1.96, 16,667 shares at $2.00, and 10,352 shares at $3.22, for a total of 36,823 shares of common stock.

What is the insider’s total beneficial ownership in Data Storage Corp (DTST) after the transaction?

After the reported option exercises, the reporting person beneficially owns 937,582 shares of Data Storage Corp common stock directly.

What triggered the vesting of the Data Storage Corp (DTST) stock options?

The unexercised portions of the options vested in full immediately upon consummation of the divestiture of Data Storage Corp’s CloudFirst business on September 11, 2025.

When were the exercised Data Storage Corp (DTST) stock options originally granted?

The options exercised were originally granted on March 1, 2023, April 10, 2023, and January 2, 2024, each with a five-year exercise term.

Did the insider retain any of the specific stock option grants after these transactions?

No. After exercising 9,804, 16,667, and 10,352 underlying shares, the reported stock option positions in the table show 0 derivative securities remaining for those grants.

What roles does the reporting person have at Data Storage Corp (DTST)?

The reporting person is identified as both a Director and a 10% Owner of Data Storage Corp.