M-tron (MPTI) EVP Finance Linda Biles Sells 1,218 Shares

What Happened

• Linda M. Biles, Executive Vice President — Finance at M-tron Industries (MPTI), sold 1,218 shares on 2026-08-11. The weighted average price reported is $85.05 per share, for proceeds of approximately $103,591. This sale was to satisfy tax withholding obligations tied to the vesting of a restricted stock award (routine tax-related sale rather than an investment purchase).

Key Details

• Transaction date: 2026-08-11. Form filed: 2026-08-19 (filed 8 days after the transaction; Form 4 is typically due within 2 business days).
• Price reported (Column 4): weighted average $85.05; shares sold in multiple transactions at prices ranging $84.62–$85.44 (footnote F2).
• Shares sold to cover tax withholding from vested restricted stock (footnote F1).
• Sale executed pursuant to Rule 144 and a Form 144 was filed in connection with the sale (footnote F2).
• Shares owned after the transaction: not specified in the provided filing.
• Additional note in the filing (footnote F3): issuer stock option vesting schedule (30% 4/4/2026; 30% 4/4/2027; 40% 4/4/2028) — informational and not directly tied to this tax-withholding sale.

Context

• This was a tax-withholding sale tied to restricted stock vesting (common and typically routine). Because it was a sale rather than a purchase, it’s less indicative of a bullish signal from the insider. The filing shows the sale followed Rule 144 procedures and a Form 144 was submitted.