Mentor Capital (MNTR) CEO adds 5,300 shares in open-market purchases

Rhea-AI Filing Summary

Mentor Capital, Inc. Chief Executive Officer and director Chester Billingsley purchased 5,300 shares of Common Stock in open-market transactions, at prices between $0.0835 and $0.0844 per share on February 25–27, 2026.

After these trades, he directly owned 3,184,696 Common shares, plus 47,274 Series D Warrants and Series Q Preferred Shares that, as of December 31, 2025, were eligible to be converted 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)
02/25/2026

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	02/25/2026		P		2,900	A	$0.0844	3,182,296	D
Common Stock	02/26/2026		P		1,000	A	$0.0835	3,183,296	D
Common Stock	02/27/2026		P		1,400	A	$0.0835	3,184,696	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	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	02/27/2026
	** 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).
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FAQ

How many Mentor Capital (MNTR) shares did CEO Chester Billingsley buy?

Chester Billingsley bought 5,300 Mentor Capital Common shares. These open-market purchases occurred on February 25–27, 2026, at prices between $0.0835 and $0.0844 per share, modestly increasing his direct equity stake in the company.

On what dates did Mentor Capital (MNTR) report the insider share purchases?

The purchases were made on February 25, 26, and 27, 2026. Each transaction involved Mentor Capital Common Stock acquired in open-market trades, with a total of 5,300 shares purchased across the three days at prices just above eight cents per share.

What is Chester Billingsley’s Mentor Capital (MNTR) shareholding after these trades?

After the transactions, Billingsley directly owned 3,184,696 Common shares. This figure reflects his updated direct ownership position in Mentor Capital’s Common Stock following the February 25–27, 2026 open-market purchases disclosed in the insider filing.

What other Mentor Capital (MNTR) securities does Chester Billingsley hold?

Billingsley also holds 47,274 Series D Warrants and Series Q Preferred Shares. According to the filing, as of December 31, 2025, those Series Q Preferred Shares were eligible to be converted into 2,592,159 shares of Mentor Capital Common Stock at no additional cost.

At what prices did the Mentor Capital (MNTR) insider purchases occur?

The disclosed purchases were at $0.0835 and $0.0844 per share. On February 26–27, 2026, shares were bought at $0.0835, while the February 25, 2026 transaction was executed at $0.0844 per share in open-market trades.

What does the Series Q Preferred Stock conversion disclosure mean for Mentor Capital (MNTR)?

The filing notes Series Q Preferred Shares are convertible into Common Stock. As of December 31, 2025, 11 Series Q Convertible Preferred Shares were eligible to be converted into 2,592,159 Common shares, highlighting a potential source of additional Common Stock if conversion occurs.