M-tron Industries, Inc. insiders have only been selling lately: three insiders sold about $204,000 of stock over 12 months, with no open-market purchases.
Keep in mind most insider selling is routine — stock-based pay has to be converted to cash at some point.
Quarter by quarter: 2 quarters in a row of net selling by insiders. Insiders bought in 1 of the last 7 full quarters. On the institutional side, 119 funds reported holding MPTI at the end of Q2 2026, and more funds bought than sold.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Aug 19, 2026 | Biles Linda M | Officer | Sell | 1,218 | $85.05 | $104K | SEC |
| May 6, 2026 | Drafts William Arnold | President | Sell | 361 | $66.78 | $24K | SEC |
| May 6, 2026 | Pforr Cameron | CEO | Sell | 840 | $66.78 | $56K | SEC |
| May 6, 2026 | Biles Linda M | Officer | Sell | 306 | $66.78 | $20K | SEC |
| Jun 27, 2025 | Drafts William Arnold | President | Buy | 1,000 | $40.50 | $40K | SEC |
| Nov 15, 2024 | GABELLI MARIO J | 10% Owner | Sell | 7,500 | $60.11 | $451K | SEC |
| Nov 14, 2024 | GABELLI MARIO J | 10% Owner | Sell | 1,500 | $52.58 | $79K | SEC |
| Oct 15, 2024 | Arteaga Ivan | Director | Sell | 400 | $49.41 | $20K | SEC |
| Oct 15, 2024 | Arteaga Ivan | Director | Sell | 1,600 | $50.67 | $81K | SEC |
| Oct 1, 2024 | GABELLI MARIO J | 10% Owner | Sell | 171 | $41.60 | $7K | SEC |
| Sep 10, 2024 | GABELLI MARIO J | 10% Owner | Sell | 800 | $33.49 | $27K | SEC |
| Jun 25, 2024 | GABELLI MARIO J | 10% Owner | Sell | 500 | $35.70 | $18K | SEC |
| Jun 25, 2024 | GABELLI MARIO J | 10% Owner | Sell | 200 | $33.38 | $7K | SEC |
| Jun 25, 2024 | GABELLI MARIO J | 10% Owner | Sell | 700 | $31.85 | $22K | SEC |
| Apr 10, 2024 | GABELLI MARIO J | 10% Owner | Sell | 500 | $26.55 | $13K | SEC |
In the last 12 months M-tron Industries, Inc. insiders made open-market purchases worth about $0 and sales worth about $204,000. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in MPTI was filed on 2026-08-19.
119 investment managers reported holding MPTI in SEC Form 13F filings for Q2 2026.
No congressional trades in MPTI were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).