Great Southern Bancorp Director DRIP Purchase and Option Holdings

Rhea-AI Filing Summary

Debra Mallonee Hart, a director of Great Southern Bancorp, Inc. (GSBC), reported an acquisition of common stock on 07/15/2025 through a dividend reinvestment plan (DRIP) that the filer notes is exempt from Section 16 reporting and is being reported voluntarily. The filing shows 1,972 shares associated with that transaction at an average price of $60.6632, with those shares held in a direct ownership form.

The report also discloses outstanding option holdings exercisable into common stock totaling 21,000 shares across multiple grants, with exercise prices ranging from $41.74 to $61.79 and exercisable dates spanning from 03/15/2027 through 11/20/2034. The form provides vesting details for each option grant in its explanation section and indicates the filing was submitted by an attorney-in-fact on behalf of the reporting person.

Positive

• Voluntary DRIP disclosure: The director reported a DRIP acquisition voluntarily, increasing transparency.
• Detailed option schedule: The filing lists 21,000 options with exercise prices and exercisable dates, clarifying potential future dilution.

Negative

• None.

Insights

Financial Analyst

TL;DR: Director acquisition via DRIP of 1,972 shares and 21,000 outstanding options; transaction appears routine and non-material from filing alone.

The Form 4 shows a voluntary DRIP acquisition of 1,972 common shares at an average price of $60.6632, increasing direct shareholdings. Separately, the reporting person holds 21,000 options across multiple grants with strikes from $41.74 to $61.79 and exercisable dates from 03/15/2027 to 11/20/2034. Based solely on the information provided, this is a routine insider transaction (a dividend reinvestment) and a disclosure of existing equity compensation; the filing does not by itself indicate a material change in control, a large open-market purchase, or a disposition that would clearly alter investor valuation models.

Corporate Governance Expert

TL;DR: Voluntary reporting of a DRIP purchase and detailed option schedules enhances transparency but does not show a material governance shift.

The document identifies the reporting person as a Director and records a DRIP acquisition that the filer states is exempt but reported voluntarily. The filing also itemizes option grants with explicit vesting/expiration information, which aids in assessing potential future insider dilution. From a governance perspective, timely and detailed disclosure of both purchased shares and option vesting schedules aligns with good transparency practices, though the transaction sizes disclosed here do not, by themselves, signal a significant governance or ownership change.

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^*

Hart Debra Mallonee

(Last) (First) (Middle)

CARE OF GREAT SOUTHERN BANK

218 SOUTH GLENSTONE AVENUE

(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		10% Owner
	Officer (give title below)		Other (specify below)

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	07/15/2025		J(1)	V	13	A	$60.6632	1,972	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 (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	$51.4							(2)	03/15/2027	Common Stock	5,000		5,000	D
Option to purchase	$52.2							(3)	11/15/2027	Common Stock	2,000		7,000	D
Option to purchase	$55							(4)	11/28/2028	Common stock	2,000		9,000	D
Option to purchase	$60.15							(5)	11/20/2029	Common stock	2,000		11,000	D
Option to purchase	$41.74							(6)	10/26/2030	Common stock	2,000		13,000	D
Option to purchase	$57.98							(7)	11/17/2031	Common stock	2,000		15,000	D
Option to purchase	$61.55							(8)	11/16/2032	Common stock	2,000		17,000	D
Option to purchase	$53.22							(9)	11/15/2033	Common stock	2,000		19,000	D
Option to purchase	$61.79							(10)	11/20/2034	Common stock	2,000		21,000	D

Explanation of Responses:

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

2. 1,250 shares vest on 03/15/2019, 03/15/2020, 03/15/2021 and 03/15/2022

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

4. 500 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023

5. 500 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024

6. 500 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025

7. 500 shares vest on 11/17/2023, 11/17/2024, 11/17/2025 and 11/17/2026

8. 500 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027

9. 500 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028

10. 500 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029

Remarks:

	Matt Snyder, by Power of Attorney from Debra Mallonee Hart	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 transaction did Debra Mallonee Hart (GSBC) report on Form 4?

The filing reports a DRIP acquisition of 1,972 common shares on 07/15/2025 at an average price of $60.6632.

How many option shares does the reporting person hold for GSBC?

The report discloses 21,000 options to purchase common stock across multiple grants, held in direct form.

What is the range of exercise prices and exercisable dates for the options?

Exercise prices range from $41.74 to $61.79, with exercisable dates shown from 03/15/2027 through 11/20/2034.

What is the reporting person's relationship to GSBC?

The document identifies Debra Mallonee Hart as a Director of Great Southern Bancorp, Inc.

Was the DRIP transaction required to be reported under Section 16?

The filing states the DRIP acquisition is exempt from Section 16 reporting and is being reported voluntarily.