Mentor Capital (MNTR) CEO adds 4,100 shares, holds large common and preferred stake

Rhea-AI Filing Summary

Mentor Capital, Inc. Chief Executive Officer and major shareholder Chester Billingsley reported open-market purchases of the company’s common stock. He bought 3,000 shares on March 25, 2026 at $0.07 per share and 1,100 shares on March 26, 2026 at $0.08 per share, totaling 4,100 shares.

Following these transactions, he directly holds 3,200,396 common shares. He also holds Series D Warrants exercisable at $0.02 per share for 47,274 underlying common shares until May 11, 2038, 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.

Insider Trade Summary

Net Buyer: 4,100 shares ($298)

Net Buy 4 txns

Insider Billingsley Chester

Role Chief Executive Officer

Bought 4,100 shs ($298.00)

Type	Security	Shares	Price	Value
Purchase	Common Stock	1,100	$0.08	$88.00
Purchase	Common Stock	3,000	$0.07	$210.00
holding	Series D Warrants	--	--	--
holding	Series Q Preferred Shares	--	--	--

Holdings After Transaction: Common Stock — 3,200,396 shares (Direct); Series D Warrants — 47,274 shares (Direct); Series Q Preferred Shares — 2,592,159 shares (Direct)

Footnotes (1)

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. 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.

Form 4 Insider Transactions: What Each Field Means →

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
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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 TEXAS 75093

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/25/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	03/25/2026		P		3,000	A	$0.07	3,199,296	D
Common Stock	03/26/2026		P		1,100	A	$0.08	3,200,396	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	03/27/2026
	** 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).
** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did MNTR CEO Chester Billingsley report?

Chester Billingsley reported buying 4,100 shares of Mentor Capital common stock in open-market trades. He purchased 3,000 shares at $0.07 and 1,100 shares at $0.08 per share, increasing his direct equity stake in the company.

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

After the reported purchases, Chester Billingsley directly holds 3,200,396 shares of Mentor Capital common stock. This figure reflects his position immediately following the March 25–26, 2026 open-market transactions disclosed in the Form 4 filing.

What derivatives or convertible securities linked to MNTR does the CEO hold?

The CEO holds Series D Warrants exercisable at $0.02 per share for 47,274 underlying common shares and Series Q Preferred Shares. As of December 31, 2025, 11 Series Q shares were eligible to convert into 2,592,159 Mentor Capital common shares.

Were the recent MNTR insider transactions buys or sales?

The recent Mentor Capital insider transactions were buys. Chester Billingsley executed two open-market purchase transactions, with no reported sales, resulting in a net increase of 4,100 shares of common stock according to the transaction summary data.

What is the exercise price and expiration for the MNTR Series D Warrants held by the CEO?

The Series D Warrants held by the CEO have an exercise price of $0.02 per underlying common share and an expiration date of May 11, 2038. They cover 47,274 underlying shares of Mentor Capital common stock, all held directly.

How can the Series Q Preferred Shares of Mentor Capital be converted?

Series Q Preferred Shares are convertible into common stock at the holder’s option. The conversion uses a Series Q Conversion Value and a Conversion Price formula. As of December 31, 2025, 11 Series Q shares were eligible to convert into 2,592,159 common shares at no additional cost.