MPTI SEC Form 4 filings
M-Tron Industries, Inc. Latest Insider Trading Activity
Over the past 1,386 days, 13 insider trades from M-Tron Industries, Inc. (MPTI). The most recent SEC Form 4 filing shows a sale by Drafts William Arnold (M-Tron Industries, Inc. President) on May 4, 2026 involving 361 shares at $66.78 per share. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For MPTI Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting MPTI | 2026-05-06 | 2026-05-04 | M-Tron Industries, Inc. | Drafts William Arnold | President | Sell | 1 | 361 | $66.78 | $24,107.58 | 2.55% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting MPTI | 2026-05-06 | 2026-05-04 | M-Tron Industries, Inc. | Pforr Cameron | CEO and CFO | Sell | 1 | 840 | $66.78 | $56,095.20 | 3.04% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting MPTI | 2026-05-06 | 2026-05-04 | M-Tron Industries, Inc. | Biles Linda M | Executive VP - Finance | Sell | 1 | 306 | $66.78 | $20,434.68 | 1.07% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. MPTI | 2026-04-16 | 2026-04-14 | M-Tron Industries, Inc. | Biles Linda M | Executive VP - Finance | Sell | 1 | 720 | $0.00 | $0.00 | 2.45% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. MPTI | 2025-06-27 | 2025-06-27 | M-Tron Industries, Inc. | Drafts William Arnold | President | Buy | 1 | 1,000 | $40.50 | $40,500.00 | 9.08% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. MPTI | 2024-10-15 | 2024-10-14 | M-Tron Industries, Inc. | Arteaga Ivan | Director | Sell | 2 | 2,000 | $50.42 | $100,836.00 | 46.21% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. MPTI | 2024-01-16 | 2024-01-04 | M-Tron Industries, Inc. | Emg Madonna Educational Foundation Inc. | Director,Other | Sell | 2 | 40,097 | $37.60 | $1,507,699.42 | 51.48% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. MPTI | 2024-01-12 | 2024-01-10 | M-Tron Industries, Inc. | Emg Madonna Educational Foundation Inc. | Director,Other | Sell | 1 | 29,044 | $39.99 | $1,161,469.56 | 42.01% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. MPTI | 2024-01-10 | 2024-01-10 | M-Tron Industries, Inc. | Drafts William Arnold | President | Sell | 2 | 9,710 | $40.24 | $390,755.00 | 28.20% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. MPTI | 2022-12-01 | 2022-12-01 | M-Tron Industries, Inc. | Tivy James William | Chief Financial Officer | Buy | 1 | 2,500 | $9.75 | $24,375.00 | 7.64% | View Filing |
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