SEC FORM 4

SEC FORM 4SEC 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

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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^*

HECKER MARK E

(Last)

(First)

(Middle)

2991 OAK GROVE RD.

(Street)

POPLAR BLUFF

MISSOURI

63901

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/11/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
common stock	05/11/2026		W⁽¹⁾	V	1,220.684	A	$0	7,895.684	D
Common Stock								2,045.538⁽²⁾	I	401(k)
Common Stock								10,630	I	IRA
Common Stock								185	I	Spouse IRA

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$62.96							⁽³⁾	02/24/2036	Common Stock	1,500		1,500	D
Stock Option (Right to Buy)	$60.42							⁽⁴⁾	02/18/2035	Common Stock	1,500		1,500	D
Stock Option (Right to Buy)	$40.82							⁽⁵⁾	02/08/2034	Common Stock	2,500		2,500	D
Stock Option (Right to Buy)	$46.94							⁽⁶⁾	02/21/2033	Common Stock	2,500		2,500	D
Stock Option (Right to Buy)	$53.82							⁽⁷⁾	02/03/2032	Common Stock	1,500		1,500	D
Stock Option (Right to Buy)	$34.91							⁽⁸⁾	02/10/2031	Common Stock	3,000		3,000	D
Stock Option (Right to Buy)	$37.4							⁽⁹⁾	02/18/2030	Common Stock	2,000		2,000	D
Stock Option (Right to Buy)	$34.35							⁽¹⁰⁾	01/04/2029	Common Stock	2,000		2,000	D
Stock Option (Right to Buy)	$37.31							⁽¹¹⁾	01/16/2028	Common Stock	2,000		2,000	D

Explanation of Responses:

1. The reported shares were acquired pursuant to the distribution of the Estate of Pasty Hecker. This transaction is exempt from Section 16(b).

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 2/24/27. 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 2/18/26. 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 2/8/25. 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 2/21/24. 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 2/3/23. 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 2/10/22. 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 2/18/21. 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 1/4/20. 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 1/16/19. Each remaining installment vests annually thereafter.

	/s/ Mark E. Hecker	05/15/2026
	** 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)

EVP-CHIEF CREDIT OFFICER Hecker Mark E transferred by will 1,221 shares), increasing direct ownership by 18% to 7,896 units (SEC Form 4)