Solitron COO buys 3,000 shares at $28.77

Solitrion Devices’ President and COO acquired additional shares under a pre-arranged Rule 10b5-1 plan tied to his Employment Agreement.

Rhea-AI Filing Summary

SOLITRON DEVICES INC (SODI) reported that President and COO Mark Matson completed an "other" acquisition of 3,000 shares of common stock on September 10, 2026, increasing his direct holdings to 241,573 shares. The transaction was executed under a Rule 10b5-1(c) trading plan and his Employment Agreement, which permits quarterly purchases at a weighted average price.

Insider Trade Summary 10b5-1

Other: 3,000 shares

Other 1 txn

Insider Matson Mark

Role President and COO

Type	Security	Shares	Price	Value
Other	Common stock F1, F2	3,000	$28.77	$86K

Holdings After Transaction: Common stock — 241,573 shares (Direct)

Footnotes (2)

1. F1. Adoption date of referenced 10b5-1(c) plan is: 08-13-2025.
2. F2. Per the terms of Mr. Matson's Employment Agreement, Effective Date August 13, 2025, Mr. Matson has the right to purchase up to 5,000 shares of Company common stock each quarter at a weighted average share price for the quarter for a period of thirty days after the end of the quarter. The weighted average share price was $28.77 for Solitron's second quarter fiscal year 2027. The share price on the exercise date was $32.50.

Key Figures

Shares acquired: 3,000 shares Weighted average purchase price: $28.77 per share Market price on exercise date: $32.50 per share +3 more

6 metrics

Shares acquired 3,000 shares Other acquisition of common stock on September 10, 2026

Weighted average purchase price $28.77 per share Quarterly weighted average for Solitron’s second quarter fiscal year 2027

Market price on exercise date $32.50 per share Share price on the exercise date for this acquisition

Post-transaction holdings 241,573 shares Directly held by Mark Matson after the September 10, 2026 transaction

Quarterly purchase limit under Employment Agreement 5,000 shares per quarter Right to purchase up to 5,000 shares each quarter at weighted average price

Rule 10b5-1 plan adoption date August 13, 2025 Adoption date of the referenced Rule 10b5-1(c) plan

Key Terms

Rule 10b5-1(c) plan, weighted average share price, Employment Agreement

3 terms

Rule 10b5-1(c) plan regulatory

"Adoption date of referenced 10b5-1(c) plan is: 08-13-2025."

weighted average share price financial

"right to purchase up to 5,000 shares of Company common stock each quarter at a weighted average share price for the quarter"

Employment Agreement other

"Per the terms of Mr. Matson's Employment Agreement, Effective Date August 13, 2025"

FAQ

What insider transaction did SOLITRON DEVICES INC (SODI) report for Mark Matson?

SOLITRON DEVICES INC reported that President and COO Mark Matson acquired 3,000 shares of common stock on September 10, 2026 in an "other" acquisition transaction, leaving him with 241,573 directly held shares afterward.

At what price were the 3,000 SODI shares acquired by Mark Matson?

The 3,000 shares were acquired at a weighted average price of $28.77 per share for Solitron’s second quarter of fiscal year 2027, while the market share price on the exercise date was $32.50, according to the footnote disclosure.

How many SOLITRON DEVICES INC (SODI) shares does Mark Matson own after this Form 4 transaction?

Following the reported acquisition, Mark Matson directly holds 241,573 shares of SOLITRON DEVICES INC common stock, as stated in the post-transaction ownership line of the filing.

Was the SODI insider transaction made under a Rule 10b5-1 trading plan?

Yes. The filing indicates that the transaction was made under a Rule 10b5-1(c) trading plan, with a footnote stating that the referenced plan was adopted on August 13, 2025.

What does Mark Matson’s Employment Agreement allow regarding SODI share purchases?

Per the Employment Agreement effective August 13, 2025, Mark Matson may purchase up to 5,000 shares of company common stock each quarter at the quarter’s weighted average share price for a period of thirty days after the end of the quarter.

What quarter’s pricing applied to this SODI insider share purchase?

The weighted average share price used for this purchase, $28.77, relates to Solitron’s second quarter of fiscal year 2027, as specified in the footnote describing the Employment Agreement mechanics.

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Available on EDGAR 09/10/2026 - 04:48 PM Accepted by SEC EDGAR 09/10/2026 - 04:48 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).

X

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^*

Matson Mark

(Last) (First) (Middle)

C/O SOLITRON DEVICES, INC.

901 SANSBURYS WAY

(Street)

WEST PALM BEACH FLORIDA 33411

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SOLITRON DEVICES INC [ SODI ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/10/2026

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	09/10/2026	08/13/2025(1)	J		3,000(2)	A	$28.77(2)	241,573	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

Explanation of Responses:

1. Adoption date of referenced 10b5-1(c) plan is: 08-13-2025.

2. Per the terms of Mr. Matson's Employment Agreement, Effective Date August 13, 2025, Mr. Matson has the right to purchase up to 5,000 shares of Company common stock each quarter at a weighted average share price for the quarter for a period of thirty days after the end of the quarter. The weighted average share price was $28.77 for Solitron's second quarter fiscal year 2027. The share price on the exercise date was $32.50.

	/s/ Mark Matson	09/10/2026
	** 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)