Welcome to our dedicated page for M Tron Ind SEC filings (Ticker: MPTI), 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.
M-tron Industries, Inc. filings document the regulatory record for a Delaware manufacturer of frequency and spectrum control products used in aerospace and defense, avionics and space electronics. Its 8-K reports disclose operating results, Regulation FD communications, material-event updates and capital-structure matters, including subscription-rights documents, prospectus-supplement exhibits and completion of a rights offering.
Proxy materials describe shareholder voting matters, board governance, executive compensation and equity-award disclosures. The filing record also covers financial-statement exhibits, risk and forward-looking statement language tied to the company's markets, manufacturing operations, customer demand and use of common stock financing.
GABELLI MARC reported acquisition or exercise transactions in this Form 4 filing.
M-tron Industries director Marc Gabelli received an annual stock grant of 242 shares of Common Stock as compensation for his role as a non-employee director. The shares were granted at no cash cost, and his directly held stake increased to 42,564 shares following this award.
M-tron Industries is launching a transferable subscription rights offering to its common shareholders of record as of March 27, 2026. Each share held on the record date gets one right, and five rights can be exercised to buy one new share at a 10–12% discount to the five-day volume-weighted average price ending on the record date. The rights are expected to trade on NYSE American under the symbol “MPTI RT” from March 31, 2026 through April 13, 2026 and are currently expected to expire at 5:00 p.m. Eastern Time on April 15, 2026, unless extended. Shareholders who fully exercise their basic rights may request additional shares through an oversubscription privilege, subject to proration. If fully subscribed, the company expects to raise approximately $42.7 million, with proceeds available for potential acquisitions, strategic investments (including a strategic RF fund), and general corporate purposes such as working capital, capital expenditures, and debt repayment or refinancing.
M-tron Industries, Inc. director Ivan Arteaga reported exercising warrants to buy additional common stock. On January 6, 2026, he acquired 35 shares of Common Stock at $47.50 per share through the exercise of 360 Common Stock Warrants, a derivative security with an exercise price of $47.50. After this transaction, he beneficially owned 873 shares of Common Stock and 4 Common Stock Warrants, all held directly. The filing explains that these additional shares were purchased under an Over-Subscription Privilege tied to a prior warrant dividend, which allowed holders who fully exercised their basic warrants to buy extra shares if other holders did not fully participate.
M-tron Industries director David M. Goldman reported exercising derivative securities into common stock. On 12/23/2025, he exercised 1,625 Common Stock Warrants (right to purchase), which resulted in acquiring 325 shares of Common Stock at an exercise price of $47.50 per share. After this transaction, he directly owned 2,357 shares of Common Stock and 5 Common Stock Warrants.
These Warrants were originally distributed as a dividend on April 25, 2025, with holders receiving one Warrant for each share of Common Stock held as of March 10, 2025. Each five Warrants entitle the holder to purchase one share of Common Stock at $47.50 per share, subject to adjustments under the Warrant terms.
M-tron Industries, Inc. entered into an amended and restated credit agreement with Fifth Third Bank, National Association, providing a new financing package totaling $20 million. The agreement gives the Company and its subsidiary Piezo Technology, Inc. a $10 million revolving credit facility for working capital, general corporate and other permitted purposes, and a separate $10 million delayed draw term loan facility designated for acquisitions.
The revolving facility has a 36-month term maturing on December 31, 2028, and delayed draw term loans are available for 36 months, with each such loan maturing 36 months after it is advanced. Borrowings bear interest at SOFR plus a margin of 2.00% to 3.00%, depending on a leverage-based pricing grid, and an unused facility fee of 0.20% to 0.30% applies to undrawn amounts. The facility is guaranteed by M-tron Asia, LLC and secured by a first-priority lien on substantially all of the borrowers' personal property, and includes customary covenants and events of default.
M-tron Industries director Hendi Susanto reported a warrant exercise and share acquisition. On 12/23/2025, he acquired 892 shares of M-tron Industries common stock at $47.5 per share through the exercise of common stock warrants.
Following this transaction, he directly owned 7,387 shares of common stock and 1,633 common stock warrants. The warrants were originally issued as a dividend, with holders receiving one warrant for each common share held as of March 10, 2025. Each five warrants entitle the holder to purchase one share of common stock at an exercise price of $47.5 per share, subject to the terms of the warrants.
M-tron Industries, Inc. director Ivan Arteaga reported exercising company warrants into common stock. On 12/19/2025, he acquired 72 shares of common stock at an exercise price of $47.50 per share, increasing his directly held position to 838 shares.
The transaction came from company-issued Common Stock Warrants, which were originally distributed as a dividend of one warrant for each common share held as of March 10, 2025. Each block of five warrants allows the holder to purchase one share of common stock at $47.50, subject to the warrant terms. Following this exercise, Arteaga reported holding 4 warrants directly, representing a smaller remaining right to purchase additional shares.
M-tron Industries, Inc. insider transaction: The company’s CEO and CFO, Cameron Pforr, reported buying 2,000 shares of M-tron Industries common stock on 12/22/2025 at a price of $47.50 per share. After this purchase, Pforr directly owned 22,000 common shares.
The filing also shows derivative holdings. Pforr holds a stock option to buy 25,000 shares at an exercise price of $40.32 per share, exercisable beginning 04/04/2026 and expiring on 04/04/2030. In addition, the report lists 10,000 common stock warrants with an exercise price of $47.50 per share, which relate to a previously disclosed warrant dividend where holders received one warrant for each common share held, and five warrants allow the purchase of one share of common stock.
M-tron Industries, Inc. is having its warrants to purchase shares of common stock removed from listing and/or registration on the NYSE American LLC, as reflected in a Form 25 filed by the exchange under Section 12(b) of the Securities Exchange Act of 1934. The affected securities are described as warrants to purchase shares of common stock expiring on or before April 25, 2028. The exchange states it has complied with its rules to strike this class of securities from listing and registration, and the issuer is noted as having complied with the exchange’s rules and the requirements governing voluntary withdrawal.