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.
M-tron Industries, Inc. reported preliminary results for its recently completed rights offering. As of the April 20, 2026 expiration, holders exercised 2,700,249 basic subscription rights to purchase 540,049 shares of common stock at $59.00 per share, and requested 791,976 additional shares under the oversubscription privilege, making the offering oversubscribed. Oversubscribed investors will receive shares on a pro rata basis, with excess cash for unfilled requests refunded by check. The company expects the subscription agent to distribute shares and the related proceeds on or about April 24, 2026, subject to customary closing conditions, with final results to be reported in a later filing.
M-tron Industries Executive VP - Finance Linda M. Biles reported net sales of 3,420 securities of the company on April 14, 2026. She sold 2,700 subscription rights to purchase common stock, which relate to 540 underlying shares at an exercise price of $59.00 per share, and 720 shares of common stock in open-market transactions.
After these sales, she directly holds 28,682 shares of common stock and 24,643 subscription rights. She also holds stock options covering 10,000 shares of common stock at an exercise price of $40.32 per share, expiring on April 4, 2030, with vesting in tranches of 30%, 30%, and 40% from 2026 through 2028.
Mtron Industries Inc. reported a proposed sale notice under Form 144 for securities related to rights and vested stock awards. The filing lists 2,700 rights dated 03/27/2026 associated with a rights offering and 720 shares tied to vesting of a stock award on 08/09/2025.
M-tron Industries, Inc. extended the expiration of its previously announced rights offering to purchase common stock. Holders may now exercise their rights until 5:00 p.m. Eastern Time on Monday April 20, 2026, instead of April 15, 2026. The subscription price remains $59.00 per share and all other terms of the rights offering are unchanged.
M-tron Industries CEO and CFO Cameron Pforr received a grant of 5,646 shares of Common Stock on April 2, 2026 as a compensation award. The shares are restricted and vest in two equal installments of 2,823 shares on April 30, 2026 and April 30, 2027. After this grant, Pforr directly holds 27,646 common shares. He also holds a stock option to buy 25,000 common shares at an exercise price of $40.32 per share, expiring on April 4, 2030. These options vest 30% on April 4, 2026, 30% on April 4, 2027, and 40% on April 4, 2028.
M-tron Industries Executive VP – Finance Linda M. Biles received a grant of 2,059 shares of Common Stock on April 2, 2026, increasing her direct holdings to 29,402 shares. The award was granted at no cash cost to her, reflecting stock-based compensation rather than a market purchase.
The filing also notes prior tax withholding of 617 shares on August 11, 2025 to satisfy obligations related to the vesting of 2,700 restricted shares on August 9, 2025. In addition, she holds stock options covering 10,000 shares of Common Stock at an exercise price of $40.32 per share, expiring on April 4, 2030, with vesting scheduled in stages through 2028.
M-tron Industries, Inc. President William Arnold Drafts received an award of 2,428 shares of Common Stock as a grant, with no cash paid per share. These are restricted shares, vesting in two equal installments of 1,214 shares on April 30, 2026 and April 30, 2027.
Following the grant, he directly holds 14,177 shares of Common Stock. He also holds stock options covering 12,500 underlying shares at an exercise price of $40.3200 per share, expiring on April 4, 2030, with the options vesting 30% on April 4, 2026, 30% on April 4, 2027, and 40% on April 4, 2028.
M-tron Industries President William Arnold Drafts reported option-style warrant exercises that increased his direct common stock holdings. On December 19 and 23, 2025, he exercised Common Stock Warrants at an exercise price of $47.50 per share in in-the-money derivative exercises, acquiring a total of 741 shares of Common Stock. These transactions raised his directly held Common Stock position to 11,749 shares. The filing also notes a tiny sale of 3 Common Stock Warrants, a negligible portion of his overall exposure. Separately, he continues to hold a stock option covering 12,500 underlying shares at an exercise price of $40.32, vesting in tranches from 2026 through 2028 and expiring in 2030, which shows substantial remaining derivative-based equity exposure.
M-tron Industries, Inc. filed an amendment to update materials related to its offering of transferable subscription rights. The change replaces Exhibit 4.2, the Instructions for use of Subscription Right Certificate, to correct a typographical error. All other aspects of the prior report remain unchanged.