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[Form 4] GREAT SOUTHERN BANCORP, INC. Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Great Southern Bancorp, Inc. (GSBC) reported an insider equity update for a director as of 11/19/2025. The filing shows the director beneficially owns 1,300 shares of common stock in direct form. On the same date, the director received a new grant of stock options to purchase GSBC common stock at an exercise price of $57.29, issued in four tranches of 500 options each, first exercisable on 11/19/2027, 11/19/2028, 11/19/2029, and 11/19/2030, all expiring on 11/19/2035. After these grants, the director directly holds a total of 23,000 stock options across multiple historical awards with different exercise prices and vesting schedules.

Positive

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Insider Ausburn Kevin R
Role Director
Type Security Shares Price Value
Grant/Award Option to purchase 500 $57.29 $29K
Grant/Award Option to purchase 500 $57.29 $29K
Grant/Award Option to purchase 500 $57.29 $29K
Grant/Award Option to purchase 500 $57.29 $29K
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Option to purchase — 500 shares (Direct); Common Stock — 1,300 shares (Direct)
Footnotes (1)
  1. 1,250 shares vest on 03/15/2019, 03/15/2020, 03/15/2021 and 03/15/2022 500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022 500 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023 500 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024 500 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025 500 shares vest on 11/17/2023, 11/17/2024, 11/17/2025 and 11/17/2026 500 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027 500 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028 500 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029
Form 4 Insider Transactions: What Each Field Means →
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*
Ausburn Kevin R
(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)
11/19/2025
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 1,300 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 $57.29 11/19/2025 A 500 11/19/2027 11/19/2035 Common stock 500 $57.29 500 D
Option to purchase $57.29 11/19/2025 A 500 11/19/2028 11/19/2035 Common stock 500 $57.29 1,000 D
Option to purchase $57.29 11/19/2025 A 500 11/19/2029 11/19/2035 Common stock 500 $57.29 1,500 D
Option to purchase $57.29 11/19/2025 A 500 11/19/2030 11/19/2035 Common stock 500 $57.29 2,000 D
Option to purchase $51.4 (1) 03/15/2027 Common Stock 5,000 7,000 D
Option to purchase $52.2 (2) 11/15/2027 Common Stock 2,000 9,000 D
Option to purchase $55 (3) 11/28/2028 Common stock 2,000 11,000 D
Option to purchase $60.15 (4) 11/20/2029 Common stock 2,000 13,000 D
Option to purchase $41.74 (5) 10/26/2030 Common stock 2,000 15,000 D
Option to purchase $57.98 (6) 11/17/2031 Common stock 2,000 17,000 D
Option to purchase $61.55 (7) 11/16/2032 Common stock 2,000 19,000 D
Option to purchase $53.22 (8) 11/15/2033 Common stock 2,000 21,000 D
Option to purchase $61.79 (9) 11/20/2034 Common stock 2,000 23,000 D
Explanation of Responses:
1. 1,250 shares vest on 03/15/2019, 03/15/2020, 03/15/2021 and 03/15/2022
2. 500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
3. 500 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
4. 500 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
5. 500 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
6. 500 shares vest on 11/17/2023, 11/17/2024, 11/17/2025 and 11/17/2026
7. 500 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
8. 500 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
9. 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 Kevin R. Ausburn 11/20/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What did Great Southern Bancorp (GSBC) disclose in this Form 4?

The filing reports equity holdings and recent option grants for a director of Great Southern Bancorp, Inc. (GSBC), including common stock directly owned and multiple stock option awards.

How many GSBC common shares does the reporting person directly own?

The director is shown as directly owning 1,300 shares of GSBC common stock following the reported transactions.

What new stock options were granted to the GSBC director?

On 11/19/2025, the director received four new grants of options to purchase GSBC common stock, each for 500 shares, at an exercise price of $57.29 per share, all expiring on 11/19/2035.

When do the newly granted GSBC stock options become exercisable?

The new $57.29 options become exercisable in four tranches starting on 11/19/2027, 11/19/2028, 11/19/2029, and 11/19/2030, respectively.

What is the total number of GSBC stock options held by the director after this filing?

After the reported grants, the director directly holds 23,000 stock options on GSBC common stock, spread across several awards with different exercise prices and expiration dates.

What is the director’s relationship to Great Southern Bancorp (GSBC)?

The reporting person is identified as a Director of Great Southern Bancorp, Inc. and files individually, not as part of a group.