M-tron President sells 11,749 subscription rights

M-tron Industries, Inc. President William Arnold Drafts reported selling a total of 11,749 Subscription Rights to purchase M-tron common stock in open-market transactions.

Rhea-AI Filing Summary

M-tron Industries, Inc. President William Arnold Drafts reported selling a total of 11,749 Subscription Rights to purchase M-tron common stock in open-market transactions. These derivative securities entitled holders, when exercisable, to buy common shares at an exercise price of $59.00 per share, with five rights needed for one share. After these transactions, he continues to hold 14,177 shares of Common Stock directly and a stock option covering 12,500 shares at an exercise price of $40.32 per share, expiring in 2030. The option vests in tranches of 30% on April 4, 2026, 30% on April 4, 2027, and 40% on April 4, 2028, indicating a continuing long-term equity position.

Insights

Insider trading and equity compensation analyst

President sells subscription rights but retains sizable stock and options.

William Arnold Drafts, President of M-tron Industries, reported selling 11,749 Subscription Rights that could be used to buy common shares at $59.00. These are short-dated derivative entitlements, not existing common shares, which limits the direct impact on his current stock ownership.

Following the sales, he still holds 14,177 common shares directly plus a stock option over 12,500 shares at $40.32 expiring in 2030. The option vests from 2026 through 2028, suggesting ongoing alignment with longer-term company performance.

Overall, the filing shows a net sale of derivative rights while maintaining a meaningful equity and option position. The transactions appear routine and do not, by themselves, signal a major shift in his exposure to M-tron Industries.

Insider Trade Summary

Net Seller: 11,749 shares

Net Sell 5 txns

Insider Drafts William Arnold

Role President

Sold 11,749 shs ($0.00)

Type	Security	Shares	Price	Value
Sale	Subscription Rights (right to purchase)	540	$0.00	$0.00
Sale	Subscription Rights (right to purchase)	7,609	$0.00	$0.00
holding	Stock Option (right to buy)	--	--	--
holding	Common Stock	--	--	--
Sale	Subscription Rights (right to purchase)	3,600	$0.00	$0.00

Holdings After Transaction: Subscription Rights (right to purchase) — 0 contracts (Direct); Stock Option (right to buy) — 12,500 contracts (Direct); Common Stock — 14,177 shares (Direct)

Footnotes (2)

1. F1. Stock options of the Issuer vesting as follows: 30% on 4/4/2026, 30% on 4/4/2027, and 40% on 4/4/2028.
2. F2. 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.

Key Figures

Subscription Rights sold: 11,749 rights Rights exercise price: $59.00 per share Common shares held: 14,177 shares +5 more

8 metrics

Subscription Rights sold 11,749 rights Aggregate rights sales reported in Form 4

Rights exercise price $59.00 per share Exercise price for common stock purchasable with Rights

Common shares held 14,177 shares Direct common stock holdings after transactions

Option underlying shares 12,500 shares Stock option for common stock expiring 2030-04-04

Option exercise price $40.32 per share Exercise price of stock option grant

Option vesting 2026 30% of grant Vesting tranche on April 4, 2026

Option vesting 2027 30% of grant Vesting tranche on April 4, 2027

Option vesting 2028 40% of grant Final vesting tranche on April 4, 2028

Key Terms

Subscription Rights, Stock Option (right to buy), exercise price, vesting, +1 more

5 terms

Subscription Rights financial

"received one subscription right (the "Rights") for each share of Common Stock"

Subscription rights are short-term privileges given to existing shareholders to buy additional new shares before the general public, typically at a set price and in proportion to their current holdings. Think of it as getting a coupon for first dibs on extra slices of a pizza so your share of the pie doesn’t shrink; exercising them can be a cheaper way to maintain your ownership and voting power, while ignoring them can reduce your stake and potential future earnings.

Stock Option (right to buy) financial

"Stock Option (right to buy) ... underlying Security Title: Common Stock"

exercise price financial

"purchase one share of Common Stock at an exercise price of $59.00 per share"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

vesting financial

"Stock options of the Issuer vesting as follows: 30% on 4/4/2026"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

open-market sale financial

"transaction_action: "open-market sale" for Subscription Rights"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did MPTI President William Arnold Drafts report in this Form 4?

He reported selling 11,749 Subscription Rights to purchase M-tron Industries common stock. These Rights were short-term derivatives tied to an exercise price of $59.00 per share, separate from his existing common stock and stock option holdings.

How many M-tron Industries (MPTI) Subscription Rights were sold?

The Form 4 shows sales totaling 11,749 Subscription Rights. Each Right relates to M-tron Industries common stock at a stated exercise price, with five Rights required to purchase one share, according to the filing’s footnote description.

What MPTI share and option holdings does William Drafts have after these transactions?

After the reported activity, he holds 14,177 shares of M-tron Industries common stock directly. He also holds a stock option covering 12,500 shares at an exercise price of $40.32 per share, expiring in 2030.

How do the MPTI stock options held by William Drafts vest over time?

The filing states the stock options vest in three tranches: 30% on April 4, 2026, another 30% on April 4, 2027, and the remaining 40% on April 4, 2028. This schedule staggers his ability to exercise the full 12,500-share option grant.

What is the exercise price of the MPTI Subscription Rights and related options?

The Subscription Rights entitle holders, when exercisable, to buy M-tron common stock at $59.00 per share. Separately, William Drafts’ stock option covers 12,500 shares at an exercise price of $40.32 per share, with a later expiration date.

Do these Form 4 transactions change William Drafts’ long-term exposure to MPTI?

The transactions primarily involve sales of Subscription Rights, not his existing common stock. He continues to own 14,177 common shares and a 12,500-share stock option, indicating that his longer-term equity exposure remains substantial after these sales.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/28/2026 - 07:52 PM Learn about SEC filing dates

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^*

Drafts William Arnold

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/13/2026

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								14,177	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
Stock Option (right to buy)	$40.32							04/04/2026(1)	04/04/2030	Common Stock	12,500		12,500	D
Subscription Rights (right to purchase)	$59(2)	04/06/2026		S			3,600	03/31/2026	04/20/2026	Common Stock	720	$0	8,149	D
Subscription Rights (right to purchase)	$59(2)	04/13/2026		S			7,609	03/31/2026	04/20/2026	Common Stock	1,521	$0	540	D
Subscription Rights (right to purchase)	$59(2)	04/14/2026		S			540	03/31/2026	04/20/2026	Common Stock	108	$0	0	D

Explanation of Responses:

1. Stock options of the Issuer vesting as follows: 30% on 4/4/2026, 30% on 4/4/2027, and 40% on 4/4/2028.

2. 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/ William A. Drafts	04/22/2026
	** 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)