M-tron Industries, Inc.·4

May 6, 4:39 PM ET

Biles Linda M 4

4 · M-tron Industries, Inc. · Filed May 6, 2026

Research Summary

AI-generated summary of this filing

Updated

M-Tron (MPTI) EVP Finance Linda Biles Sells 306 Shares

What Happened Linda M. Biles, Executive Vice President - Finance of M-tron Industries (MPTI), sold 306 shares in an open-market/private sale on 2026-05-04 at $66.78 per share, yielding approximately $20,435. This sale was made to satisfy tax withholding related to the vesting of restricted stock and is a routine sell-to-cover transaction rather than a discretionary sale for investment purposes.

Key Details

  • Transaction date and price: 2026-05-04 at $66.78 per share.
  • Shares sold: 306; gross proceeds reported as $20,435.
  • Reason (Footnote F1): Sale was to satisfy tax withholding obligations tied to the vesting of 1,029 restricted shares on April 30, 2026. (Tax-withholding sell-to-cover.)
  • Related note (Footnote F2): Issuer stock options vest 30% on 4/4/2026, 30% on 4/4/2027, and 40% on 4/4/2028.
  • Shares owned after the transaction: not disclosed in the provided summary.
  • Filing timeliness: Form 4 filed 2026-05-06 for a 2026-05-04 transaction — appears timely (Form 4 is typically due within 2 business days).

Context Sell-to-cover transactions are common when restricted stock vests and do not necessarily signal a change in the insider’s view of the company. This report relates to tax withholding for RSU vesting; no option exercise or large, discretionary sale is indicated by this filing.

Insider Transaction Report

Form 4
Period: 2026-05-04
Biles Linda M
Executive VP - Finance
Transactions
  • Sale

    Common Stock

    [F1]
    2026-05-04$66.78/sh306$20,43528,376 total
Holdings
  • Stock Option (right to buy)

    [F2]
    Exercise: $40.32From: 2026-04-04Exp: 2030-04-04Common Stock (10,000 underlying)
    10,000
Footnotes (2)
  • [F1]Shares were sold to satisfy tax withholding obligations in connection with the vesting of 1,029 shares of restricted stock on April 30, 2026.
  • [F2]Stock options of the Issuer vesting as follows: 30% on 4/4/2026, 30% on 4/4/2027, and 40% on 4/4/2028.
Signature
/s/ Linda M. Biles|2026-05-06

Documents

1 file
  • 4
    rdgdoc.xmlPrimary

    FORM 4