Hendi Susanto - 23 Dec 2025 Form 4 Insider Report for M-tron Industries, Inc. (MPTI)

Role: Director
Signature: /s/ Hendi Susanto
Issuer symbol: MPTI
Transactions as of: 23 Dec 2025
Net transactions value: +$42,370
Form type: 4
Filing time: 31 Dec 2025, 16:54:53 UTC
Previous filing: 25 Mar 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Susanto Hendi	Director	2525 SHADER RD, ORLANDO	/s/ Hendi Susanto	31 Dec 2025	0001677382

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MPTI	Common Stock	Exercise of in-the-money or at-the-money derivative security	$42,370	+892	+14%	$47.50	7,387	23 Dec 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MPTI	Common Stock Warrants (right to purchase)	Exercise of in-the-money or at-the-money derivative security	$0	+4,460		$0.000000	1,633	23 Dec 2025	Common Stock	892	$47.50	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On April 25, 2025, holders of the Issuer's Common Stock, par value $0.01 per share (the "Common Stock"), received a dividend of one Common Stock Warrant (the "Warrants") for each share of Common Stock held by such holder as of March 10, 2025. When exercisable, five (5) Warrants will entitle their holder to purchase one share of Common Stock at an exercise price of $47.50 per share, as may be adjusted in accordance with the terms of the Warrants.

Content

On April 25, 2025, holders of the Issuer's Common Stock, par value $0.01 per share (the "Common Stock"), received a dividend of one Common Stock Warrant (the "Warrants") for each share of Common Stock held by such holder as of March 10, 2025. When exercisable, five (5) Warrants will entitle their holder to purchase one share of Common Stock at an exercise price of $47.50 per share, as may be adjusted in accordance with the terms of the Warrants.