Welcome to our dedicated page for Mentor Capital SEC filings (Ticker: MNTR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Mentor Capital, Inc. filings document its OTCQB common stock registration and public-company reporting matters. Recent 8-K disclosures cover changes in the company's independent registered public accounting firms, including board and audit committee approvals, auditor letters, and statements regarding disagreements or reportable events under Regulation S-K.
The filing record also includes Form 12b-25 notices related to annual-report timing, with disclosures about the Form 10-K reporting period and the company's explanation for delayed completion. These filings center on reporting status, governance procedures, auditor relationships, and the Section 12(g) common stock identified under the MNTR trading symbol.
Mentor Capital, Inc. director, chief executive officer, and 10% owner Chester Billingsley reported small open-market purchases of the company’s common stock. He bought 600 shares on January 26, 2026 at $0.0845 per share and 1,400 shares on January 27, 2026 at $0.0849 per share, bringing his directly held common shares to 3,167,296.
He also directly holds 47,274 Series D Warrants exercisable for common stock from April 11, 2000 until May 11, 2038, and Series Q Preferred Shares that are convertible into common stock at no additional cost. As of December 31, 2025, 11 Series Q Convertible Preferred Shares were eligible to be converted into 2,592,159 common shares.
Mentor Capital, Inc. insider activity shows open‑market share purchases and sizable convertible holdings. Chief Executive Officer, director, and 10% owner Chester Billingsley bought 1,000 shares of common stock at $0.089 on January 20, 2026, 1,000 shares at $0.09 on January 21, 2026, and 1,800 shares at $0.087 on January 22, 2026. After these trades, he directly owned 3,165,296 common shares.
The filing also lists 47,274 Series D warrants with a $0.02 exercise price, exercisable into common stock from April 11, 2000 until May 11, 2038. In addition, 11 Series Q Preferred Shares were outstanding, which, as of December 31, 2025, were eligible to be converted into 2,592,159 common shares at no additional cost, with no stated expiration for the preferred shares.
Mentor Capital, Inc. reported a change in its independent registered public accounting firm following an acquisition. On January 12, 2026, its relationship with Spicer Jeffries LLP ended because Spicer Jeffries was acquired by Cherry Bekaert LLP. The company states there were no disagreements with Spicer Jeffries on accounting principles, disclosures, audit scope, or procedures for the years ended December 31, 2024 and 2023, and no reportable events under SEC rules.
The prior audit reports from Spicer Jeffries for those years contained no adverse opinions, disclaimers, or qualifications. Effective January 13, 2026, the audit committee and board approved the engagement of Cherry Bekaert LLP as the new independent registered public accountant. Mentor Capital also requested, and attached as an exhibit, a letter from Spicer Jeffries to the SEC indicating whether it agrees with these disclosures.
Mentor Capital, Inc. insider Chester Billingsley, the chief executive officer, director, and a more than 10% owner, reported purchases of both preferred and common stock. On January 12, 2026, he bought 1,200 shares of common stock at $0.088 per share, bringing his directly held common stock to 3,161,496 shares.
On the same date, he also acquired 11 Series Q Convertible Preferred Shares from a third party for a total of $204,488.40, or $18,589.85 per share. According to the filing, these 11 Series Q Preferred Shares were eligible as of December 31, 2025 to be converted into 2,592,159 common shares, can be converted at no additional cost, and have no expiration date. He also directly holds 47,274 Series D warrants exercisable for common stock.
Mentor Capital, Inc. reported that its Chief Executive Officer, director, and 10% owner Chester Billingsley bought additional common shares in early January 2026. He purchased 2,000 shares of common stock on January 6, 2026 at $0.089 per share and another 2,000 shares on January 7, 2026 at $0.0939 per share. After these open-market purchases, he directly owned 3,160,296 shares of Mentor Capital common stock. The report also lists his direct holding of 47,274 Series D warrants with an exercise price of $0.02 per share, exercisable beginning April 11, 2000 and expiring on May 11, 2038.
Mentor Capital, Inc. director, chief executive officer, and 10% owner Chester Billingsley reported open market purchases of the company’s common stock. On 12/30/2025, he bought 1,600 shares at $0.0802 per share, and on 12/31/2025 he bought an additional 400 shares at $0.098 per share. Following these transactions, he beneficially owned 3,156,296 shares of Mentor Capital common stock in direct form. The filing also shows he directly holds 47,274 Series D warrants with a $0.02 exercise price, exercisable from 04/11/2000 until 05/11/2038, each warrant relating to one share of common stock.
Mentor Capital, Inc. insider activity shows small open‑market common stock purchases by a senior leader. A reporting person who is a director, chief executive officer, and 10% owner bought 1,500 shares of common stock on 12/26/2025 at $0.098 per share and 500 shares on 12/29/2025 at $0.081 per share in direct ownership. After these transactions, this person directly beneficially owns 3,154,296 common shares.
The reporting person also directly holds 47,274 Series D warrants with an exercise price of $0.02 per share, exercisable from 04/11/2000 until 05/11/2038, each linked to one share of common stock.
Mentor Capital, Inc. insider Chester Billingsley, who serves as Chief Executive Officer, director, and a 10% owner, reported a small open-market purchase of company stock. On 12/22/2025, he bought 2,000 shares of common stock at a price of $0.0879 per share. Following this transaction, he directly beneficially owns 3,152,296 shares of Mentor Capital common stock.
The filing also lists Billingsley’s derivative holdings, including 47,274 Series D warrants with a conversion or exercise price of $0.02 per share. These warrants are exercisable from 04/11/2000 until 05/11/2038 and are exercisable into 47,274 shares of Mentor Capital common stock.
Mentor Capital, Inc. insider Chester Billingsley, who is a director, Chief Executive Officer, and a 10% owner, reported open-market purchases of the company’s common stock. On 12/17/2025, he bought 700 shares at $0.098 per share, and on 12/18/2025, he bought 1,000 shares at $0.0848 per share. Following these transactions, he beneficially owned 3,150,296 shares of Mentor Capital common stock in direct ownership.
In addition to the common shares, Billingsley reported holding Series D Warrants with an exercise price of $0.02 per share, covering 47,274 shares of Mentor Capital common stock. These warrants are shown as exercisable from 04/11/2000 and expiring on 05/11/2038, and he owned 47,274 derivative securities directly after the reported transactions.
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.