M-tron Industries, Inc. (MPTI) Insider Trading & SEC Filings
Last SEC filing
M-tron Industries, Inc. (MPTI) has filed 3 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-06. Insider sales over the same period: 3 transactions worth $101K. 3 Form 8-K material event filings were reported by MPTI in the last 90 days. InsiderAlpha tracks every MPTI SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About M-tron Industries, Inc. (MPTI)
M-tron Industries, Inc. trades under the ticker MPTI. InsiderAlpha tracks 31 primary SEC Form 4 filings from 11 reporting insiders for MPTI since 2024, sourced directly from SEC EDGAR.
| SEC CIK | 0001902314 |
|---|
90-Day SEC Filing Activity
| Insider sales (90d) | 3 ($101K) |
|---|---|
| Form 4 filings (90d) | 3 |
| Form 8-K filings (90d) | 3 |
| Latest Form 4 filing | 2026-05-06 |
Recent MPTI Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Linda M. Biles | Executive VP - Finance | S - Open-market sale | 306 | $66.78 | $20K | SEC | |
| Cameron Pforr | CEO and CFO | S - Open-market sale | 840 | $66.78 | $56K | SEC | |
| William Arnold Drafts | President | S - Open-market sale | 361 | $66.78 | $24K | SEC | |
| Cameron Pforr | CEO and CFO | M - Option exercise | 220 | $40.32 | $9K | SEC | |
| Cameron Pforr | CEO and CFO | M - Option exercise | 220 | $40.32 | $9K | SEC | |
| Ivan Arteaga | Director | J - Other acquisition / disposition | 24 | $59.00 | $1K | SEC | |
| Hendi Susanto | Director | J - Other acquisition / disposition | 1.1K | $59.00 | $63K | SEC | |
| Marc Gabelli | Director | J - Other acquisition / disposition | 3.3K | $59.00 | $193K | SEC | |
| Linda M. Biles | Executive VP - Finance | S - Open-market sale | 720 | $0.00 | - | SEC | |
| Hendi Susanto | Director | J - Other acquisition / disposition | 454 | $59.00 | $27K | SEC | |
| Ivan Arteaga | Director | J - Other acquisition / disposition | 174 | $59.00 | $10K | SEC | |
| Cameron Pforr | CEO and CFO | J - Other acquisition / disposition | 100 | $59.00 | $6K | SEC | |
| Cameron Pforr | CEO and CFO | A - Grant or award | 5.6K | $0.00 | - | SEC | |
| William Arnold Drafts | President | A - Grant or award | 2.4K | $0.00 | - | SEC | |
| Linda M. Biles | Executive VP - Finance | A - Grant or award | 2.1K | $0.00 | - | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for M-tron Industries, Inc. (MPTI). Updated in real time as new filings are submitted to the SEC.
Most-Active MPTI Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Linda M. Biles | 1 | $20K |
| William Arnold Drafts | 1 | $24K |
| Cameron Pforr | 1 | $56K |
Recent MPTI Form 8-K Material Events
- - Item 5.07 [SEC]
- - Item 7.01, 9.01 [SEC]
- - Item 2.02, 7.01, 9.01 [SEC]
- - Item 7.01, 9.01 · Financing · neutral [SEC]
M-tron Industries completed its previously announced rights offering, which expired on April 20, 2026. The company is disclosing the completion of this equity financing mechanism through a Regulation FD disclosure. - - Item 8.01, 9.01 · Financing · neutral [SEC]
M-tron Industries announced preliminary results of its previously announced rights offering, which expired on April 20, 2026. The filing provides notification of the completion of the rights offering process without disclosing subscription details or proceeds in the 8-K excerpt.
Recent Insider Filings
- - William Arnold Drafts (President)
- - Cameron Pforr (CEO and CFO)
- - Linda M. Biles (Executive VP - Finance)
- - Cameron Pforr (CEO and CFO)
- - Ivan Arteaga (Director)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in MPTI insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
MPTI Insider Trading - FAQ
- What is the latest insider trade for MPTI?
- M-tron Industries, Inc. (MPTI) had 3 insider filings in the last 90 days, with the most recent on 2026-05-06. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying MPTI stock?
- 0 insider purchases of MPTI were filed in the last 90 days.
- How many insiders are selling MPTI stock?
- 3 insider sales of MPTI were filed in the last 90 days, totaling $101K.
- Where can I see MPTI SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- 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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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live MPTI dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.