[Form 4] BLACKBOXSTOCKS INC. Insider Trading Activity

Rhea-AI Filing Summary

Blackboxstocks (BLBX) Director and Chief Financial Officer Robert Winspear reported an open-market purchase of 50,000 shares of common stock at $10.69 per share on October 16, 2025.

Following the transaction, his beneficial ownership totaled 118,250 shares. This includes 25,000 shares owned directly by Mr. Winspear, 87,000 shares owned by Winspear Investments LLC (100% owned by Mr. Winspear and his wife), and 6,250 shares owned by ACM Winspear Investments L.P., of which he is general partner. The shares reported in Table I are held indirectly through Winspear Investments LLC.

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).

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^*

WINSPEAR ROBERT L

(Last) (First) (Middle)

C/O BLACKBOXSTOCKS INC.

5430 LBJ FREEWAY, SUITE 1485

(Street)

DALLAS TX 75201

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
BLACKBOXSTOCKS INC. [ BLBX ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
10/16/2025

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, par value $0.001	10/16/2025		A		50,000	A	$10.69	118,250(1)	I	See Footnote(2)

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

Explanation of Responses:

1. Includes 25,000 shares of common stock owned directly by Robert Winspear, 87,000 shares of common stock owned by Winspear Investments LLC which is 100% owned by Mr. Winspear and his wife, and 6,250 shares of common stock owned by ACM Winspear Investments L.P. of which Mr. Winspear is general partner.

2. These securities are directly owned by Winspear Investments LLC, which is 100% owned by Mr. Winspear and his wife.

	/s/ Robert Winspear	10/20/2025
	** 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 did BLBX's Robert Winspear report on Form 4?

He reported buying 50,000 shares of Blackboxstocks common stock at $10.69 per share on October 16, 2025.

What is Robert Winspear’s role at BLBX?

He is a Director and the company’s Chief Financial Officer.

How many BLBX shares does Robert Winspear beneficially own after the trade?

His beneficial ownership is 118,250 shares after the transaction.

How is Winspear’s ownership structured?

It includes 25,000 shares directly, 87,000 shares via Winspear Investments LLC, and 6,250 shares via ACM Winspear Investments L.P..

Was the reported position held directly or indirectly?

The shares in Table I are reported as Indirect (I) and are owned by Winspear Investments LLC.

What was the transaction price on the Form 4?

The reported purchase price was $10.69 per share.