Southern Missouri (SMBC) EVP awarded new stock options and shares

Rhea-AI Filing Summary

Southern Missouri Bancorp executive vice president and chief credit officer Mark E. Hecker reported awards on February 24, 2026. He received 1,500 stock options at an exercise price of $0.00 per share and a grant of 600 shares of common stock, both held directly.

Footnotes state the common shares are scheduled to vest over five years beginning on February 9, 2027 based on the company’s annualized return on average assets. Multiple prior stock option grants become exercisable in 20% installments over five-year periods with different first vesting 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

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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 MO 63901

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

4. If Amendment, Date of 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

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	02/24/2026		A(1)		600	A	$0	6,675	D
Common Stock								2,037.365(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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$62.96	02/24/2026		A		1,500		(3)	02/24/2036	Common Stock	1,500	$0	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 shares are scheduled to vest over a five-year period beginning February 9, 2027 with up to 20% of the shares vesting on that date and on each of the next four anniversaries of that date based on the extent to which the Company's annualized return on average assets over the 12 calendar quarters ending immediately prior to the applicable vesting date exceeds a threshold level.

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	02/26/2026
	** Signature of Reporting Person	Date
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FAQ

What did SMBC executive Mark E. Hecker report in this Form 4 filing?

Mark E. Hecker reported receiving equity awards from Southern Missouri Bancorp. The filing shows a grant of 1,500 stock options at an exercise price of $0.00 per share and 600 shares of common stock, all held directly in his name.

How many Southern Missouri Bancorp stock options were granted to Mark E. Hecker?

He received 1,500 stock options in this award. These options are reported at an exercise price of $0.00 per share and are held directly. Footnotes indicate various option grants vest in 20% annual installments over five-year periods, starting on specified vesting dates.

What common stock award did Mark E. Hecker receive from SMBC?

He received a grant of 600 shares of Southern Missouri Bancorp common stock. These shares are held directly. A footnote explains that the shares are scheduled to vest over five years starting February 9, 2027, based on the company’s annualized return on average assets.

How do the new SMBC equity awards to Mark E. Hecker vest over time?

The common shares are scheduled to vest over five years beginning February 9, 2027, tied to return-on-assets performance. Separate footnotes state multiple stock option grants become exercisable in 20% installments each year over five years, with first vesting dates on specific past and future calendar days.

What indirect holdings of Southern Missouri Bancorp stock are reported for Mark E. Hecker?

Hecker reports indirect ownership of common stock through retirement and spousal accounts. The filing lists shares held in a 401(k) plan, an IRA, and a spouse’s IRA, with each account identified as indirect ownership. One footnote notes 401(k) contributions since his last ownership report.

Does this SMBC Form 4 indicate any stock sales by Mark E. Hecker?

The summarized data show award-related acquisitions only, with no reported sales. Transactions coded as acquisitions include the new option and stock grants, while remaining entries describe holdings and vesting schedules for existing awards, rather than dispositions of Southern Missouri Bancorp shares.