Mentor Capital CEO reports insider stock purchases in Form 4

Mentor Capital, Inc. director, chief executive officer, and 10% owner Chester Billingsley reported open‑market purchases of the company’s common stock.

Rhea-AI Filing Summary

Mentor Capital, Inc. director, chief executive officer, and 10% owner Chester Billingsley reported open‑market purchases of the company’s common stock. On 12/12/2025, he bought 1,500 shares at $0.099 per share, on 12/15/2025 he bought 1,000 shares at $0.0834, and on 12/16/2025 he bought 1,300 shares at $0.10. Following these transactions, he directly beneficially owned 3,148,596 common shares. He also holds 47,274 Series D warrants with a $0.02 exercise price, exercisable since 04/11/2000 and expiring on 05/11/2038, each linked to one share of common stock.

Insider Trade Summary

Net Buyer: 3,800 shares

Net Buy 4 txns

Insider Billingsley Chester

Role Chief Executive Officer

Bought 3,800 shs ($361.90)

Type	Security	Shares	Price	Value
Purchase	Common Stock	1,300	$0.10	$130.00
Purchase	Common Stock	1,000	$0.0834	$83.40
Purchase	Common Stock	1,500	$0.099	$148.50
holding	Series D Warrants	--	--	--

Holdings After Transaction: Common Stock — 3,148,596 shares (Direct); Series D Warrants — 47,274 contracts (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Mentor Capital (MNTR) report in this Form 4?

The filing shows that Chester Billingsley purchased Mentor Capital common stock in the open market on three dates: 1,500 shares at $0.099 on 12/12/2025, 1,000 shares at $0.0834 on 12/15/2025, and 1,300 shares at $0.10 on 12/16/2025.

Who is the reporting person in the Mentor Capital (MNTR) Form 4 and what is their role?

The reporting person is Chester Billingsley, who is identified as a director, chief executive officer, and 10% owner of Mentor Capital, Inc. The Form 4 is filed by one reporting person.

How many Mentor Capital (MNTR) shares does the insider own after the reported trades?

After the reported purchases, Chester Billingsley directly beneficially owned 3,148,596 shares of Mentor Capital common stock.

At what prices did the Mentor Capital (MNTR) insider buy common shares?

The reported open‑market purchases were made at per‑share prices of $0.099, $0.0834, and $0.10 on the respective transaction dates in December 2025.

What derivative securities related to Mentor Capital (MNTR) does the insider hold?

Chester Billingsley holds 47,274 Series D warrants with a $0.02 exercise price. These warrants became exercisable on 04/11/2000 and expire on 05/11/2038, each tied to one share of Mentor Capital common stock.

Is the Mentor Capital (MNTR) Form 4 filed as an individual or joint report?

The document indicates that it is a Form filed by One Reporting Person, not a joint or group filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 12/16/2025 - 04:15 PM Learn about SEC filing dates

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^*

Billingsley Chester

(Last) (First) (Middle)

5964 CAMPUS COURT

(Street)

PLANO TX 75093

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Mentor Capital, Inc. [ MNTR ]

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

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

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		P		1,500	A	$0.099	3,146,296	D
Common Stock	12/15/2025		P		1,000	A	$0.0834	3,147,296	D
Common Stock	12/16/2025		P		1,300	A	$0.1	3,148,596	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
Series D Warrants	$0.02							04/11/2000	05/11/2038	Common Stock	47,274		47,274	D

Explanation of Responses:

	/s/ Chester Billingsley	12/16/2025
	** 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.