Mentor Capital (MNTR) CEO adds shares, highlights Series Q conversion terms

Rhea-AI Filing Summary

Mentor Capital, Inc. Chief Executive Officer and major shareholder Chester Billingsley reported open-market purchases of a total of 1,750 shares of common stock, at prices between $0.0809 and $0.0840 per share. Following these trades, he directly owns 3,188,846 shares of the company’s common stock.

The filing also notes his direct holdings of Series D Warrants and Series Q Preferred Shares. According to the disclosure, on December 31, 2025, 11 Series Q Convertible Preferred Shares were eligible to be converted into 2,592,159 shares of Mentor Capital 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

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)
03/05/2026

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	03/05/2026		P		50	A	$0.0821	3,187,146	D
Common Stock	03/06/2026		P		1,200	A	$0.084	3,188,346	D
Common Stock	03/09/2026		P		500	A	$0.0809	3,188,846	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	03/09/2026
	** 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.
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 insider buying did Mentor Capital (MNTR) report in this Form 4?

Mentor Capital reported that CEO and major shareholder Chester Billingsley bought 1,750 shares of common stock in open-market purchases. The trades were executed at prices between $0.0809 and $0.0840 per share, increasing his directly held common stock position to 3,188,846 shares.

On what dates did the Mentor Capital (MNTR) CEO purchase shares?

Chester Billingsley purchased Mentor Capital common stock on March 5, March 6, and March 9, 2026. Across these three trading days, he acquired 1,750 shares in total through open-market transactions, as disclosed in the Form 4 insider trading report filed with regulators.

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

After the reported open-market purchases, CEO Chester Billingsley directly owns 3,188,846 shares of Mentor Capital common stock. This total reflects his updated non-derivative holdings following the March 2026 transactions summarized in the Form 4 insider activity disclosure.

What are Mentor Capital (MNTR) Series Q Preferred Shares and how are they convertible?

The Series Q Preferred Shares are convertible into Mentor Capital common stock at the holder’s option, at no additional cost. On December 31, 2025, 11 Series Q Convertible Preferred Shares were eligible to convert into 2,592,159 common shares, based on the defined Series Q Conversion Value and Conversion Price.

Do Mentor Capital (MNTR) Series Q Preferred Shares have an expiration date?

The Series Q Preferred Shares disclosed for Mentor Capital have no expiration date. They are convertible into fully paid and nonassessable common shares at the holder’s option any time after issuance and before any redemption, under the conversion terms described in the company’s Certificate of Designation.

What does the Form 4 say about Mentor Capital (MNTR) Series D Warrants?

The Form 4 shows that Chester Billingsley directly holds Series D Warrants, with 47,274 underlying securities reported after the transaction line. The filing characterizes this as a holding entry, without disclosing any new purchase or sale of the Series D Warrants in the reported period.