M-tron (MPTI) director exercises rights, now holds 9,154 shares

Rhea-AI Filing Summary

M-tron Industries director Susanto Hendi exercised subscription rights to acquire additional common shares. On April 14 and April 20, 2026, he exercised rights to purchase a total of 1,525 shares of common stock at $59.00 per share through in-the-money derivative exercises.

These rights were distributed on March 30, 2026, with holders receiving one right for each share owned as of March 27, 2026, and five rights allowing the purchase of one new share at $59.00. Following these transactions, Hendi directly owns 9,154 shares of M-tron common stock, and his reported subscription rights position has been fully exercised.

Insider Trade Summary

7,629 shares exercised/converted

Mixed 4 txns

Insider Susanto Hendi

Role null

Type	Security	Shares	Price	Value
X	Subscription Rights (right to purchase)	5,355	$0.00	--
X	Common Stock	1,071	$59.00	$63K
X	Subscription Rights (right to purchase)	2,274	$0.00	--
X	Common Stock	454	$59.00	$27K

Holdings After Transaction: Subscription Rights (right to purchase) — 0 shares (Direct, null); Common Stock — 9,154 shares (Direct, null)

Footnotes (1)

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Key Figures

Common shares acquired: 1,525 shares Exercise price: $59.00 per share Rights exercised: 7,629 rights +4 more

7 metrics

Common shares acquired 1,525 shares Total common stock from rights exercises on April 14 and 20, 2026

Exercise price $59.00 per share Price to purchase each new common share via subscription rights

Rights exercised 7,629 rights Total subscription rights exercised, as shown in transaction summary

Post-transaction holdings 9,154 shares Common stock directly owned after April 20, 2026 exercise

April 14 acquisition 454 shares Common stock acquired on April 14, 2026 via rights exercise

April 20 acquisition 1,071 shares Common stock acquired on April 20, 2026 via rights exercise

Rights ratio 5 rights per share Five subscription rights allowed purchase of one common share at $59.00

Key Terms

Subscription Rights (right to purchase), in-the-money derivative exercise, transaction code X, Common Stock

4 terms

Subscription Rights (right to purchase) financial

"security_title: "Subscription Rights (right to purchase)""

in-the-money derivative exercise financial

"transaction_action: "in-the-money derivative exercise""

transaction code X financial

"transaction_code: "X" for derivative security exercises"

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Susanto Hendi

(Last) (First) (Middle)

2525 SHADER RD

(Street)

ORLANDO FLORIDA 32804

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
M-tron Industries, Inc. [ MPTI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/14/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/14/2026		X		454	A	$59	8,083	D
Common Stock	04/20/2026		X		1,071	A	$59	9,154	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Subscription Rights (right to purchase)	$59(1)	04/14/2026		X		2,274		03/31/2026	04/20/2026	Common Stock	454	$0	5,355	D
Subscription Rights (right to purchase)	$59(1)	04/20/2026		X		5,355		03/31/2026	04/20/2026	Common Stock	1,071	$0	0	D

Explanation of Responses:

1. 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.

	/s/ Hendi Susanto	04/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What does the latest MPTI Form 4 filing show for director Susanto Hendi?

The Form 4 shows that director Susanto Hendi exercised subscription rights to acquire additional M-tron Industries common stock at $59.00 per share, increasing his direct holdings to 9,154 shares through in-the-money derivative exercises on April 14 and April 20, 2026.

How many MPTI shares did Susanto Hendi acquire through subscription rights?

Susanto Hendi acquired 1,525 shares of M-tron Industries common stock by exercising subscription rights. The Form 4 details two exercises, covering 454 shares on April 14, 2026 and 1,071 shares on April 20, 2026, all at an exercise price of $59.00 per share.

What are the terms of MPTI’s subscription rights described in this Form 4?

Holders of M-tron Industries common stock received one subscription right for each share held as of March 27, 2026. According to the filing, five rights entitled the holder to purchase one share of common stock at an exercise price of $59.00 per share during the rights offering period.

How many MPTI shares does Susanto Hendi own after these transactions?

After exercising his subscription rights, Susanto Hendi directly owns 9,154 shares of M-tron Industries common stock. The Form 4’s ownership column shows this post-transaction balance, reflecting the additional 1,525 shares acquired through in-the-money derivative exercises at $59.00 per share.

Did Susanto Hendi sell any MPTI shares in this Form 4 filing?

The Form 4 reflects only exercises of subscription rights and resulting acquisitions of M-tron Industries common shares. All reported transactions use code X for in-the-money derivative exercises, with no entries indicating open-market sales or other dispositions of common stock in this filing.

How many subscription rights did Susanto Hendi exercise for MPTI stock?

The transaction summary shows exercises covering 7,629 subscription rights. These rights, issued on March 30, 2026, allowed Hendi to purchase 1,525 shares of M-tron Industries common stock at $59.00 per share under the terms requiring five rights to buy one new share.