Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * HECKER MARK E 2. Issuer Name and Ticker or Trading Symbol SOUTHERN MISSOURI BANCORP, INC. [SMBC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP-CHIEF CREDIT OFFICER (Last) (First) (Middle) 2991 OAK GROVE RD. 3. Date of Earliest Transaction (Month/Day/Year) 07/29/2026 (Street) POPLAR BLUFF, MO 63901 4. If Amendment, Date Original Filed (Month/Day/Year) 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 (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(1) 07/29/2026 M 2,000 A $37.31 9,895 D Common Stock(1) 07/29/2026 M 2,000 A $34.35 11,895 D Common Stock(1) 07/29/2026 D 1,830 D $78.31 10,065 D Common Stock 2,052.663(2) I 401(k) Common Stock 10,630 I IRA Common Stock 185 I Spouse IRA

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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 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
Stock Option (Right to Buy)	$34.35	07/29/2026		M			2,000	(3)	01/04/2029	Common Stock	2,000	$34.35	0	D
Stock Option (Right to Buy)	$37.31	07/29/2026		M			2,000	(4)	01/16/2028	Common Stock	2,000	$37.31	0	D
Stock Option (Right to Buy)	$62.96							(5)	02/24/2036	Common Stock	1,500		1,500	D
Stock Option (Right to Buy)	$60.42							(6)	02/18/2035	Common Stock	1,500		1,500	D
Stock Option (Right to Buy)	$40.82							(7)	02/08/2034	Common Stock	2,500		2,500	D
Stock Option (Right to Buy)	$46.94							(8)	02/21/2033	Common Stock	2,500		2,500	D
Stock Option (Right to Buy)	$53.82							(9)	02/03/2032	Common Stock	1,500		1,500	D
Stock Option (Right to Buy)	$34.91							(10)	02/10/2031	Common Stock	3,000		3,000	D
Stock Option (Right to Buy)	$37.4							(11)	02/18/2030	Common Stock	2,000		2,000	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HECKER MARK E 2991 OAK GROVE RD. POPLAR BLUFF, MO 63901			EVP-CHIEF CREDIT OFFICER

Signatures

/s/ Mark E Hecker		07/31/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	On July 29, 2026, the Reporting Person exercised employee stock options to purchase an aggregate of 4,000 shares of the Issuer's common stock, consisting of options to purchase 2,000 shares at an exercise price of $37.31 per share and options to purchase 2,000 shares at an exercise price of $34.35 per share. The aggregate exercise price of $143,320 was paid through the delivery to the Issuer of 1,830 shares of common stock previously owned by the Reporting Person having an aggregate fair market value of $143,307, together with a cash payment of $13. The surrendered shares are reported in Table I as a disposition.
(2)	Reflects 401(k) contributions that have occurred since the date of the reporting person's last ownership report.
(3)	The options become exercisable in 20% installments over a five year period with the first installment vesting on 1/4/20. Each remaining installment vests annually thereafter.
(4)	The options become exercisable in 20% installments over a five year period with the first installment vesting on 1/16/19. Each remaining installment vests annually thereafter.
(5)	The options become exercisable in 20% installments over a five year period with the first installment vesting on 2/24/27. Each remaining installment vests annually thereafter.
(6)	The options become exercisable in 20% installments over a five year period with the first installment vesting on 2/18/26. Each remaining installment vests annually thereafter.
(7)	The options become exercisable in 20% installments over a five-year period with the first installment vesting on 2/8/25. Each remaining installment vests annually thereafter.
(8)	The options become exercisable in 20% installments over a five-year period with the first installment vesting on 2/21/24. Each remaining installment vests annually thereafter.
(9)	The options become exercisable in 20% installments over a five year period with the first installment vesting on 2/3/23. Each remaining installment vests annually thereafter.
(10)	The options become exercisable in 20% installments over a five year period with the first installment vesting on 2/10/22. Each remaining installment vests annually thereafter.
(11)	The options become exercisable in 20% installments over a five year period with the first installment vesting on 2/18/21. Each remaining installment vests annually thereafter.

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