M-tron Industries, Inc. (MPTI)
$76.10+$0.00 (+0.00%) Latest sessionExtended Hours
M-Tron Industries Inc is an electronic components manufacturer based in the United States. Along with its subsidiaries, the company is engaged in designing, manufacturing, and marketing high-engineered, high-reliability frequency and spectrum control products used to control the frequency or timing of signals in electronic circuits in various applications. The company serves markets in aerospace and defense, space, and avionics sectors. Its product offerings include microwave and millimeter-wave filters, crystal resonators, clock oscillators, voltage-controlled crystal oscillators, low noise amplifiers, couplers, attenuators, and switches, among others. Geographically, it derives maximum revenue from the domestic market, and the rest from Malaysia, Australia, Greece, and other countries.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 1 | 1,218 | $104K |
| Grant or award | 3 | 8,210 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
35 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Linda M. Biles - Officer | Open-market sale | Common Stock | 1,218 | $85.05 | $104K | |
| Cameron Pforr - Officer | Grant or award | Common Stock | 3,805 | $0.00 | - | |
| William Arnold Drafts - Officer | Grant or award | Common Stock | 2,840 | $0.00 | - | |
| Linda M. Biles - Officer | Grant or award | Common Stock | 1,565 | $0.00 | - | |
| William Arnold Drafts - Officer | Open-market sale | Common Stock | 361 | $66.78 | $24K | |
| Cameron Pforr - Officer | Open-market sale | Common Stock | 840 | $66.78 | $56K | |
| Linda M. Biles - Officer | Open-market sale | Common Stock | 306 | $66.78 | $20K | |
| Cameron Pforr - Officer | Option exercise | Common Stock | 220 | $40.32 | $9K | |
| Cameron Pforr - Officer | Option exercise | Common Stock | 220 | $40.32 | $9K | |
| Cameron Pforr - Officer | Option exercise | Stock Option (right to buy) | 220 | $0.00 | - | |
| Cameron Pforr - Officer | Option exercise | Stock Option (right to buy) | 220 | $0.00 | - | |
| Ivan Arteaga - Director | Other | Common Stock | 174 | $59.00 | $10K | |
| Ivan Arteaga - Director | Other | Common Stock | 24 | $59.00 | $1K | |
| Ivan Arteaga - Director | Other | Subscription Rights (right to purchase) | 870 | $0.00 | - | |
| Linda M. Biles - Officer | Open-market sale | Subscription Rights (right to purchase) | 24,643 | $0.00 | - | |
| Linda M. Biles - Officer | Open-market sale | Subscription Rights (right to purchase) | 2,700 | $0.00 | - | |
| William Arnold Drafts - Officer | Open-market sale | Subscription Rights (right to purchase) | 3,600 | $0.00 | - | |
| William Arnold Drafts - Officer | Open-market sale | Subscription Rights (right to purchase) | 7,609 | $0.00 | - | |
| William Arnold Drafts - Officer | Open-market sale | Subscription Rights (right to purchase) | 540 | $0.00 | - | |
| Marc Gabelli - Director | Other | Common Stock | 3,276 | $59.00 | $193K | |
| Marc Gabelli - Director | Other | Subscription Rights (right to purchase) | 16,380 | $0.00 | - | |
| Cameron Pforr - Officer | Other | Common Stock | 100 | $59.00 | $6K | |
| Cameron Pforr - Officer | Other | Subscription Rights (right to purchase) | 500 | $0.00 | - | |
| Cameron Pforr - Officer | Open-market sale | Subscription Rights (right to purchase) | 21,500 | $0.00 | - | |
 Hendi Susanto - Director | Other | Common Stock | 454 | $59.00 | $27K | |
| Hendi Susanto - Director | Other | Common Stock | 1,071 | $59.00 | $63K | |
| Hendi Susanto - Director | Other | Subscription Rights (right to purchase) | 2,274 | $0.00 | - | |
| Hendi Susanto - Director | Other | Subscription Rights (right to purchase) | 5,355 | $0.00 | - | |
| Linda M. Biles - Officer | Open-market sale | Subscription Rights (right to purchase) | 2,700 | $0.00 | - | |
| Linda M. Biles - Officer | Open-market sale | Common Stock | 720 | $0.00 | - | |
| Cameron Pforr - Officer | Grant or award | Common Stock | 5,646 | $0.00 | - | |
| Linda M. Biles - Officer | Tax withholding / forfeiture | Common Stock | 617 | $0.00 | - | |
| Linda M. Biles - Officer | Grant or award | Common Stock | 2,059 | $0.00 | - | |
| William Arnold Drafts - Officer | Grant or award | Common Stock | 2,428 | $0.00 | - | |
| Hendi Susanto - Director | Grant or award | Common Stock | 242 | $0.00 | - | |
| John S. Mega - Director | Grant or award | Common Stock | 242 | $0.00 | - | |
 Bel Lazar - Director | Grant or award | Common Stock | 242 | $0.00 | - | |
 Robert V. Lapenta Jr. - Director | Grant or award | Common Stock | 242 | $0.00 | - | |
| David M. Goldman - Director | Grant or award | Common Stock | 242 | $0.00 | - | |
| Ivan Arteaga - Director | Grant or award | Common Stock | 242 | $0.00 | - | |
| Marc Gabelli - Director | Grant or award | Common Stock | 242 | $0.00 | - | |
| Mario J. Gabelli | Gift | Common Stock | 3,500 | $0.00 | - | |
| Mario J. Gabelli | Gift | Common Stock | 8,800 | $0.00 | - | |
| Mario J. Gabelli | Gift | Common Stock | 4,000 | $0.00 | - | |
| Mario J. Gabelli | Open-market sale | Common Stock | 7,500 | $30.05 | $451K | |
| Mario J. Gabelli | Open-market sale | Common Stock | 1,500 | $26.29 | $79K | |
| Mario J. Gabelli | Gift | Common Stock | 19,200 | $0.00 | - |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Linda Biles | Affiliate | 1,218 | $104K | View on EDGAR |
M-tron Industries, Inc. (MPTI) had 4 insider filings in the last 90 days, with the most recent on 2026-08-19. The full record for MPTI runs to 35 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of MPTI were filed in the last 90 days.
1 insider sale of MPTI was filed in the last 90 days, totaling $104K.
This page tracks MPTI Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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