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

Great Southern Bancorp insider updates holdings and option grants

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

Rhea-AI Filing Summary

Great Southern Bancorp, Inc. (GSBC) director reported updated ownership and new equity awards. The Form 4 shows beneficial ownership of 199,112 shares of common stock held directly and 8,790 shares held indirectly through a 401(k) plan.

The reporting person received several stock option grants on 11/19/2025, each covering 1,950 shares of common stock at an exercise price of $57.29. These options become exercisable on different future dates between 11/19/2027 and 11/19/2030 and expire on 11/19/2035, creating a staggered vesting schedule.

Table II also lists previously granted options with exercise prices ranging from $41.30 to $61.79, with various future vesting dates, for a total of 72,450 option shares beneficially owned directly after the reported transactions.

Positive

  • None.

Negative

  • None.
Insider TURNER WILLIAM V
Role Director
Type Security Shares Price Value
Grant/Award Option to purchase 1,950 $57.29 $112K
Grant/Award Option to purchase 1,950 $57.29 $112K
Grant/Award Option to purchase 1,950 $57.29 $112K
Grant/Award Option to purchase 1,950 $57.29 $112K
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 -- -- --
holding Common stock -- -- --
Holdings After Transaction: Option to purchase — 84,150 shares (Direct); Common stock — 199,112 shares (Direct); Common stock — 8,790 shares (Indirect, 401(k) Plan)
Footnotes (9)
  1. F1. 1,500 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021
  2. F2. 1,500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
  3. F3. 1,750 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
  4. F4. 1,750 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
  5. F5. 1,875 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
  6. F6. 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
  7. F7. 1,950 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
  8. F8. 1,950 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
  9. F9. 1,950 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029

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Form 4 Insider Transactions: What Each Field Means →

FAQ

What did the GSBC insider report on this Form 4?
The insider reported new stock option grants and updated holdings, including 199,112 directly owned GSBC shares and 8,790 shares held through a 401(k) plan.

How many GSBC shares does the reporting person now beneficially own?
The reporting person beneficially owns 199,112 shares of GSBC common stock directly and 8,790 shares indirectly via a 401(k) plan, plus multiple option awards.

What new stock options were granted to the GSBC director?
On 11/19/2025, the director received several options, each for 1,950 GSBC shares at an exercise price of $57.29, with different future exercisability dates between 11/19/2027 and 11/19/2030.

What is the total number of GSBC option shares beneficially owned after the transactions?
After the reported transactions, the director beneficially owns 72,450 GSBC option shares directly, as listed in Table II.

What are the exercise prices of the GSBC stock options held by the insider?
The options carry exercise prices ranging from $41.30 to $61.79, including new grants at $57.29 per share.

When do the newly granted GSBC options expire?
All newly granted options dated 11/19/2025 have an expiration date of 11/19/2035, with vesting staggered between 2027 and 2030.
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 WILLIAM V
(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 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 199,112 D
Common stock 8,790 I 401(k) Plan
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 1,950 11/19/2027 11/19/2035 Common stock 1,950 $57.29 1,950 D
Option to purchase $57.29 11/19/2025 A 1,950 11/19/2028 11/19/2035 Common stock 1,950 $57.29 3,900 D
Option to purchase $57.29 11/19/2025 A 1,950 11/19/2029 11/19/2035 Common stock 1,950 $57.29 5,850 D
Option to purchase $57.29 11/19/2025 A 1,950 11/19/2030 11/19/2035 Common stock 1,950 $57.29 7,800 D
Option to purchase $41.3 (1) 10/24/2026 Common Stock 6,000 13,800 D
Option to purchase $52.2 (2) 11/15/2027 Common Stock 6,000 19,800 D
Option to purchase $55 (3) 11/28/2028 Common Stock 7,000 26,800 D
Option to purchase $60.15 (4) 11/20/2029 Common stock 7,000 33,800 D
Option to purchase $41.74 (5) 10/26/2030 Common stock 7,500 41,300 D
Option to purchase $57.98 (6) 11/17/2031 Common stock 7,750 49,050 D
Option to purchase $61.55 (7) 11/16/2032 Common stock 7,800 56,850 D
Option to purchase $53.22 (8) 11/15/2033 Common stock 7,800 64,650 D
Option to purchase $61.79 (9) 11/20/2034 Common stock 7,800 72,450 D
Explanation of Responses:
1. 1,500 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021
2. 1,500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
3. 1,750 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
4. 1,750 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
5. 1,875 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
6. 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
7. 1,950 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
8. 1,950 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
9. 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 William V. Turner 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