Data Storage Corp (DTST) director details stock option exercises and share sales

Rhea-AI Filing Summary

A director of Data Storage Corp reported multiple stock option exercises and related trades in the company’s common stock. On December 11, 2025, the director exercised options for 1,667 shares and several 2,500‑share lots at exercise prices between $1.48 and $3.24 per share, receiving common shares.

Shares were withheld at $4.99 per share to cover the option exercise costs, and additional shares were sold on December 11 and 12, 2025 at prices around $5.00 per share. After these transactions, the director directly owned 24,752 shares of Data Storage Corp common stock. Several of the options had fully vested earlier in connection with the divestiture of the company’s CloudFirst business on September 11, 2025.

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^*

Maglione Lawrence A.

(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)
12/11/2025

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	12/11/2025		M		1,667(1)	A	$2	35,142	D
Common Stock	12/11/2025		M		2,500(2)	A	$2.16	37,912	D
Common Stock	12/11/2025		M		2,500(3)	A	$3.23	40,412	D
Common Stock	12/11/2025		M		2,500(4)	A	$2.45	42,912	D
Common Stock	12/11/2025		M		2,500(5)	A	$2.04	45,412	D
Common Stock	12/11/2025		M		2,500(6)	A	$1.48	47,912	D
Common Stock	12/11/2025		M		2,500(7)	A	$1.82	50,412	D
Common Stock	12/11/2025		M		2,500(8)	A	$2.33	52,912	D
Common Stock	12/11/2025		M		2,500(9)	A	$3.24	55,412	D
Common Stock	12/11/2025		M		2,500(10)	A	$2.88	5,792	D
Common Stock	12/11/2025		F		11,631(11)	D	$4.99	46,281	D
Common Stock	12/11/2025		S		12,536	D	$4.99	33,745	D
Common Stock	12/11/2025		S		5,695	D	$5.03	28,050	D
Common Stock	12/12/2025		S		520	D	$5.02	27,530	D
Common Stock	12/12/2025		S		2,778	D	$5.03	24,752	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	12/11/2025		M			1,667	(1)	(1)	Common Stock	1,667	$0	0	D
Stock Option	$2.16	12/11/2025		M			2,500	(2)	(2)	Common Stock	2,500	$0	0	D
Stock Option	$3.23	12/11/2025		M			2,500	(3)	(3)	Common Stock	2,500	$0	0	D
Stock Option	$2.45	12/11/2025		M			2,500	(4)	(4)	Common Stock	2,500	$0	0	D
Stock Option	$2.04	12/11/2025		M			2,500	(5)	(5)	Common Stock	2,500	$0	0	D
Stock Option	$1.48	12/11/2025		M			2,500	(6)	(6)	Common Stock	2,500	$0	0	D
Stock Option	$1.82	12/11/2025		M			2,500	(7)	(7)	Common Stock	2,500	$0	0	D
Stock Option	$2.33	12/11/2025		M			2,500	(8)	(8)	Common Stock	2,500	$0	0	D
Stock Option	$3.24	12/11/2025		M			2,500	(9)	(9)	Common Stock	2,500	$0	0	D
Stock Option	$2.88	12/11/2025		M			2,500	(10)	(10)	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 14, 2017 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 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.

3. 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.

4. 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.

5. 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.

6. 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.

7. 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.

8. 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.

9. 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.

10. 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.

11. 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).
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FAQ

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

The filing shows that a Data Storage Corp director exercised multiple stock options on December 11, 2025 and then sold common shares on December 11 and 12, 2025. The transactions involved both acquiring shares through option exercises and selling shares on the market.

How many Data Storage Corp (DTST) shares does the director own after the transactions?

Following the reported option exercises, share withholding, and sales, the director directly owned 24,752 shares of Data Storage Corp common stock, as shown in the final line of Table I.

What stock options were exercised by the Data Storage Corp (DTST) director?

The director exercised stock options covering 1,667 shares at an exercise price of $2.00 per share and multiple 2,500‑share option grants with exercise prices including $2.16, $3.23, $2.45, $2.04, $1.48, $1.82, $2.33, $3.24, and $2.88 per share. These options were originally granted between December 14, 2017 and December 31, 2023, each with a term of 10 years.

How did the CloudFirst business divestiture affect the director’s stock options at Data Storage Corp (DTST)?

Several option grants issued on September 30, 2022, December 30, 2022, March 31, 2023, June 30, 2023, September 29, 2023, and December 31, 2023 had unexercised portions that vested in full immediately upon consummation of the divestiture of Data Storage Corp’s CloudFirst business on September 11, 2025, as explained in the footnotes.

Were any Data Storage Corp (DTST) shares withheld to cover option exercise costs?

Yes. The filing notes that 11,631 shares of Data Storage Corp common stock were withheld at a price of $4.99 per share, representing shares retained to cover the exercise price of the options exercised, as described in footnote (11).

On what dates and at what prices did the director sell Data Storage Corp (DTST) shares?

The director sold shares of Data Storage Corp common stock on December 11, 2025 and December 12, 2025. Reported sale prices in Table I include $4.99, $5.03, and $5.02 per share, indicating sales around $5.00 per share.