Sec Form 4 Filing - Matson Mark @ SOLITRON DEVICES INC - 2026-03-11

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Matson Mark 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 (Last) (First) (Middle) C/O SOLITRON DEVICES, INC., 901 SANSBURYS WAY 3. Date of Earliest Transaction (MM/DD/YY) 03/11/2026 (Street) WEST PALM BEACH, FL33411 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 03/11/2026 08/13/2025( 1 ) J 5,000 ( 2 ) A $ 21.22 ( 2 ) 238,573 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Matson Mark C/O SOLITRON DEVICES, INC. 901 SANSBURYS WAY WEST PALM BEACH, FL33411 X President and COO Signatures /s/ Mark Matson 03/12/2026 Signature of Reporting Person Date

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 $21.22 for Solitron's fourth quarter fiscal year 2026. The share price on the exercise date was $24.50.

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).

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