Marc Gabelli - 20 Apr 2026 Form 4 Insider Report for M-tron Industries, Inc. (MPTI)

Reporting relationship: Director
Issuer ticker: MPTI
Reported as of: 20 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 Apr 2026, 16:12:13 UTC
Prior SEC filing: 30 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Marc Gabelli

Key filing fact

Marc Gabelli filed Form 4 for M-tron Industries, Inc. (MPTI) on 28 Apr 2026.

Key facts

This page summarizes Marc Gabelli's Form 4 filing for M-tron Industries, Inc. (MPTI).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 28 Apr 2026, 16:12.

Change

Previous filing in this sequence was filed on 30 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001233348 Primary reporting owner

GABELLI MARC

Relationship: Director
Address: 189 MASON STREET, GREENWICH
Signature: /s/ Marc Gabelli
Signature date: 28 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MPTI transaction

Common Stock

Exercise of in-the-money or at-the-money derivative security

Transaction value
Shares: +3,276
Change %: +7.7%
Price: $59.00^*
Shares after: 45,840
Date: 20 Apr 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MPTI transaction Derivative

Subscription Rights (right to purchase)

Exercise of in-the-money or at-the-money derivative security

Transaction value
Shares: -16,380
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 20 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,276
Exercise price: $59.00
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

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 entitle their holder to purchase one share of Common Stock at an exercise price of $59.00 per share.