Mentor Capital (MNTR) CEO adds 3,550 shares in open-market purchases

Rhea-AI Filing Summary

Mentor Capital, Inc. Chief Executive Officer and 10% owner Chester Billingsley reported open-market purchases of a total of 3,550 shares of Common Stock on March 11–13, 2026, at prices between $0.0759 and $0.0835 per share.

After these trades, he directly holds 3,192,396 Common shares. He also directly holds Series D Warrants exercisable at $0.02 per share for 47,274 underlying Common shares, and Series Q Preferred Shares that were eligible, as of December 31, 2025, to convert into 2,592,159 shares of Common Stock at no additional cost.

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^*

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)
03/11/2026

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	03/11/2026		P		2,450	A	$0.0835	3,191,296	D
Common Stock	03/12/2026		P		1,000	A	$0.0827	3,192,296	D
Common Stock	03/13/2026		P		100	A	$0.0759	3,192,396	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
Series Q Preferred Shares	(1)							(1)	(1)	Common Stock	2,592,159(2)		11(2)	D

Explanation of Responses:

1. Series Q Preferred Stock is convertible into Common Stock, at the option of the holder, at any time after the date of issuance of such share and prior to the of redemption of such share of Series Q Preferred Stock by the Company, into such number of fully paid and nonassessable shares of Common Stock as determined by dividing the Series Q Conversion Value by the Conversion Price at the time in effect for such share. The Series Q Preferred Shares can be converted into Common Stock at no additional cost. The Series Q Preferred Shares have no expiration date.

2. The per share Series Q Conversion Value, as defined in the Certificate of Designation, shall be calculated by the Company at least once each calendar quarter. The per share Series Q Conversion Value shall be equal to the quotient of the Core Q Holdings Asset Value divided by the number of issued and outstanding shares of Series Q Preferred Stock. The Conversion Price of the Series Q Preferred Stock shall be at the product of one hundred and five percent and the closing price of the Common Stock of the Company on a date designated and published by the Company. On December 31, 2025, 11 Series Q Convertible Preferred Shares were eligible to be converted into 2,592,159 shares of the Company's Common Stock.

	/s/ Chester Billingsley	03/13/2026
	** 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 transactions did Mentor Capital (MNTR) report in this Form 4?

The Form 4 reports that CEO Chester Billingsley made three open-market purchases totaling 3,550 shares of Mentor Capital Common Stock between March 11 and 13, 2026, at prices ranging from $0.0759 to $0.0835 per share.

How many Mentor Capital (MNTR) shares does the CEO own after these trades?

After the reported purchases, CEO Chester Billingsley directly holds 3,192,396 shares of Mentor Capital Common Stock. This figure reflects his position following the March 11–13, 2026 open-market transactions disclosed in the Form 4 filing.

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

Chester Billingsley bought Common Stock in three transactions at per-share prices of $0.0835 for 2,450 shares, $0.0827 for 1,000 shares, and $0.0759 for 100 shares. All purchases were reported as open-market transactions.

What derivative securities related to MNTR does the CEO hold?

The CEO holds Series D Warrants with a $0.02 exercise price expiring May 11, 2038, covering 47,274 underlying Common shares, and Series Q Preferred Shares that were eligible, as of December 31, 2025, to convert into 2,592,159 Common shares at no additional cost.

Are the Series Q Preferred Shares of Mentor Capital (MNTR) convertible?

Yes. The Series Q Preferred Shares are convertible into Common Stock at the holder’s option, with no additional cost. As of December 31, 2025, 11 Series Q shares were eligible to convert into 2,592,159 shares of Mentor Capital Common Stock.