X0609 4/A 2026-04-09 2026-04-16 0001902314 M-tron Industries, Inc. MPTI 0001823023 Biles Linda M false 2525 SHADER RD ORLANDO FL 32804 1 Executive VP - Finance 0 Common Stock 28682 D Stock Option (right to buy) 40.3200 2026-04-04 2030-04-04 Common Stock 10000 10000 D Subscription Rights (right to purchase) 59 2026-04-09 4 S 0 24643 0 A 2026-03-31 2026-04-20 Common Stock 4928 2700 D Subscription Rights (right to purchase) 59 2026-04-14 4 S 0 2700 0 A 2026-03-31 2026-04-20 Common Stock 540 0 D Grant of a stock option of the Issuer vesting as follows: 30% on 4/4/2026, 30% on 4/4/2027, and 40% on 4/4/2028. On March 30, 2026, holders of the Issuer's common stock, par value $0.01 per share (the "Common Stock"), received one subscription right (the "Rights") for each share of Common Stock held by such holder as of March 27, 2026. When exercisable, five (5) Rights will entitle their holder to purchase one share of Common Stock at an exercise price of $59.00 per share. The original Form 4, filed on April 16, 2026, is being amended by this Form 4/A solely to add a sale of the Rights in Table II on April 9, 2026, which was inadvertently omitted from the original filing. As a result of that omission, the amount of securities beneficially owned following the transaction reported on Line 3 of Table II has also been corrected to reflect the accurate, adjusted ending balance. /s/ Linda Biles 2026-04-29