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.
Locating valuation methods for Mentor Capital’s portfolio companies or tracking when its executives buy shares often means wading through hundreds of pages of technical language. Because Mentor Capital (MNTR) reports complex fair-value tables, fee income disclosures, and investment risk factors, even veteran analysts can miss crucial details buried in a 10-K or an unexpected 8-K.
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Mentor Capital (MNTR): insider share purchases disclosed. CEO, director and 10% owner Chester Billingsley reported open‑market buys of 1,300 shares at $0.1016 on 11/10/2025 and 500 shares at $0.1092 on 11/11/2025. Following these trades, his direct beneficial ownership was 3,139,296 shares. He also holds 47,274 Series D warrants, exercisable from 04/11/2000 until 05/11/2038 at an exercise price of $0.02 per share.
Mentor Capital, Inc. filed its Q3 2025 report, highlighting an initial contribution from newly acquired oil and gas royalty interests. The company recognized $40,430 royalty revenue in the quarter and $117,430 year-to-date after purchasing three fractional royalty interests in March for $1,369,899.
Q3 showed a small net income of $2,675 as other income, including $87,520 unrealized gains on securities and $71,943 on gold, offset a $(160,684) operating loss. Year-to-date, the company recorded a net loss of $(418,745).
Cash fell to $109,914 from $2,182,121 at year-end, primarily from investing cash outflows, including the royalty purchase, securities activity, and building a gold position at fair value of $612,328. Total assets were $3,019,160 and shareholders’ equity $2,473,474. As of November 12, 2025, 21,686,105 common shares were outstanding.
Mentor Capital, Inc. (MNTR) insider activity: the reporting person, identified as Chief Executive Officer, Director, and 10% Owner, reported open-market purchases of common stock. On 11/06/2025, 1,000 shares were bought at $0.0999, and on 11/10/2025, 200 shares were bought at $0.0989.
Following these transactions, the insider directly held 3,137,496 common shares. The filing also lists 47,274 Series D Warrants with an exercise price of $0.02, exercisable from 04/11/2000 and expiring on 05/11/2038.
Mentor Capital (MNTR) reported an insider share purchase. CEO, director, and 10% owner Chester Billingsley bought 2,000 shares of common stock on November 3, 2025 at $0.106 per share. Following this transaction, he directly owns 3,136,296 shares.
He also directly holds 47,274 Series D warrants with a $0.02 exercise price, exercisable since April 11, 2000 and expiring on May 11, 2038.
Mentor Capital (MNTR) CEO, director, and 10% owner Chester Billingsley reported open‑market purchases of common stock. He bought 500 shares at $0.1028 and 1,000 shares at $0.11 on 10/29/2025, and 1,500 shares at $0.1024 on 10/30/2025. Following these transactions, his directly held common stock totaled 3,134,296 shares. He also holds Series D warrants exercisable at $0.02, covering 47,274 shares of common stock, with an expiration date of 05/11/2038.
Mentor Capital (MNTR) reported insider open‑market purchases by CEO, Director, and 10% owner Chester Billingsley. He bought 1,000 shares at $0.105 on 10/23/2025, 500 shares at $0.1079 on 10/24/2025, and 1,500 shares at $0.1042 on 10/27/2025, totaling 3,000 shares.
Following these trades, he directly beneficially owns 3,131,296 common shares. He also holds Series D Warrants exercisable at $0.02 for 47,274 underlying shares, exercisable since 04/11/2000 and expiring on 05/11/2038.
Mentor Capital, Inc. (MNTR) CEO, Director, and 10% owner Chester Billingsley reported open‑market common stock purchases. He bought 19,000 shares at $0.1119 on 10/20/2025, 10,000 at $0.1051 and 29,000 at $0.0999 on 10/21/2025, and 2,000 at $0.0975 on 10/22/2025, totaling 60,000 shares. Following these transactions, his direct beneficial ownership stands at 3,128,296 shares.
He also reports holding 47,274 Series D Warrants with a $0.02 exercise price, exercisable since 04/11/2000 and expiring on 05/11/2038, each underlying one share of common stock.
Mentor Capital (MNTR) filed a Form 4 showing CEO, director, and 10% owner Chester Billingsley bought common stock in three open‑market transactions. He purchased 3,150 shares at $0.1049 on 10/15/2025, 16,850 shares at $0.1005 on 10/16/2025, and 17,000 shares at $0.1098 on 10/17/2025. Following these trades, he directly owned 3,068,296 shares.
He also holds Series D Warrants exercisable at $0.02, covering 47,274 shares of common stock, with an expiration date of 05/11/2038.
Mentor Capital (MNTR) CEO, Director, and 10% Owner Chester Billingsley reported open‑market stock purchases. He bought 4,976 shares on 10/09/2025, 11,000 on 10/10/2025, 14,000 on 10/13/2025, and 5,000 on 10/14/2025 at prices between $0.1199 and $0.135. Following these transactions, he beneficially owns 3,031,296 shares, held directly.
The filing also lists Series D Warrants with an exercise price of $0.02, expiring 05/11/2038, covering 47,274 underlying common shares.
Mentor Capital director and 10% owner Chester Billingsley reported purchases of common stock across