[Form 4] Great Southern Bancorp Inc Insider Trading Activity

Rhea-AI Filing Summary

Joseph W. Turner, President/CEO, Director and reported 10% owner of Great Southern Bancorp, Inc. (GSBC), filed a Form 4 reporting insider transactions with an earliest transaction date of 07/15/2025.

The filing shows a disposition of 137,382 shares. A transaction dated 07/15/2025 is reported at a price of $61.484, with 11,341 shares listed as held in a children’s trust following that transaction. The report also lists 2,478 shares held indirectly by a spouse, 18,074 shares in a 401(k) plan and 369,738 shares indirectly via an LTD Family Partnership.

Table II shows Turner beneficially owns stock options covering 64,650 common shares across multiple grants with detailed vesting schedules. The filing includes a remark that a DRIP acquisition was voluntarily reported.

Positive

• Reporting person is President/CEO, Director and reported 10% owner, indicating significant alignment with the company
• Substantial retained holdings remain: 11,341 shares in a children\'s trust, 369,738 shares via LTD Family Partnership, plus option coverage for 64,650 shares

Negative

• Disposition of 137,382 common shares is reported (sale), a materially large insider transaction in absolute terms
• 07/15/2025 transaction recorded at $61.484 per share, indicating insider liquidity realized at that price

Insights

Financial Analyst

TL;DR: Material insider disposition reported, but substantial remaining direct and indirect holdings and option positions keep the overall stake significant.

The Form 4 documents a sizeable disposition of 137,382 common shares and a 07/15/2025 transaction reported at $61.484. Despite the disposal, Turner retains substantial economic exposure: 11,341 shares in a children’s trust, 369,738 shares via an LTD Family Partnership, plus 64,650 optioned shares across multiple grants with multi-year vesting schedules. From a financial-analyst perspective, the filing is material because of the absolute size of the sale, but it does not, by itself, change the company’s financials or governance structure.

Corporate Governance Expert

TL;DR: CEO and 10% owner selling a large block of shares is governance-relevant and may prompt investor questions about insider liquidity and timing.

The report identifies Turner as President/CEO, Director and a reported 10% owner who disposed of 137,382 shares. Large insider sales by top executives are governance signals investors monitor; the filing also documents extensive indirect holdings and option grants with detailed vesting. The voluntary reporting of a DRIP acquisition is noted in the explanations. The disclosure is factual and thorough, but the size and role of the reporting person make the transaction governance-material.

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).

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^*

TURNER JOSEPH W

(Last) (First) (Middle)

CARE OF GREAT SOUTHERN BANK

218 S. GLENSTONE AVE

(Street)

SPRINGFIELD MO 65802

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
GREAT SOUTHERN BANCORP, INC. [ GSBC ]

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

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	President/CEO

3. Date of Earliest Transaction (Month/Day/Year)
07/15/2025

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								137,382	D
Common stock								2,478	I	Spouse
Common stock	07/15/2025		J(1)	V	17	A	$61.484	11,341	I	Children's Trust
Common stock								18,074	I	401(k) Plan
Common stock								369,738	I	LTD Family Partnership

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
Option to purchase	$41.3							(2)	10/24/2026	Common Stock	6,000		6,000	D
Option to purchase	$52.2							(3)	11/15/2027	Common Stock	6,000		12,000	D
Option to purchase	$55							(4)	11/28/2028	Common Stock	7,000		19,000	D
Option to purchase	$60.15							(5)	11/20/2029	Common stock	7,000		26,000	D
Option to purchase	$41.74							(6)	10/26/2030	Common stock	7,500		33,500	D
Option to purchase	$57.98							(7)	11/17/2031	Common stock	7,750		41,250	D
Option to purchase	$61.55							(8)	11/16/2032	Common stock	7,800		49,050	D
Option to purchase	$53.22							(9)	11/15/2033	Common Stock	7,800		56,850	D
Option to purchase	$61.79							(10)	11/20/2034	Common stock	7,800		64,650	D

Explanation of Responses:

1. DRIP acquisition exempt from Section 16 reporting being reported voluntarily

2. 1,500 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021

3. 1,500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022

4. 1,750 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023

5. 1,750 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024

6. 1,875 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025

7. 1,938 shares vest on 11/17/2023 and 11/17/2024, and 1,937 shares vest on 11/17/2025 and 11/17/2026

8. 1,950 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027

9. 1,950 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028

10. 1,950 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029

Remarks:

	Matt Snyder, by Power of Attorney from Joseph W. Turner	08/13/2025
	** 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.

FAQ

What did Joseph W. Turner report on Form 4 for GSBC?

The Form 4 reports that Joseph W. Turner, President/CEO and 10% owner, disposed of 137,382 common shares and reported a 07/15/2025 transaction at $61.484.

When was the earliest transaction reported on the Form 4 (GSBC)?

The earliest transaction date listed on the Form 4 is 07/15/2025.

How many shares does Turner still beneficially own after the reported transactions?

The filing shows 11,341 shares held in a children\\'s trust after the reported transaction, plus indirect holdings of 2,478 (spouse), 18,074 (401(k)) and 369,738 (LTD Family Partnership).

Does Turner have unexercised stock options disclosed on the Form 4?

Yes. Table II discloses option grants that total 64,650 optioned shares beneficially owned following the reported transactions, with multiple vesting dates listed.

Was any DRIP or similar acquisition noted on the filing?

Yes. The explanations include: DRIP acquisition exempt from Section 16 reporting being reported voluntarily.