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Great Southern Bancorp Form 4 shows exercise and sale of 1,750 shares

Filing Impact
(Moderate)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

Great Southern Bancorp (GSBC) insider activity: a company subsidiary vice president reported an option exercise and matching sale on 11/10/2025.

The reporting person exercised 1,750 shares at $50.71 per share (code M) and sold 1,750 shares at a weighted average price of $57.7194 (code S). Following these transactions, 1,790 shares of common stock were beneficially owned directly.

Derivative positions disclosed include multiple outstanding stock options with exercise prices ranging from $41.3 to $61.79 and expirations from 10/24/2026 to 11/20/2034, after one option for 1,750 shares at $50.71 was fully exercised.

Positive

  • None.

Negative

  • None.
Insider Bugh John M
Role Insider
Sold 1,750 shs ($101K)
Approx. gross sale proceeds $101K
Approx. exercise cost $89K
Approx. pre-tax spread $12K
Type Security Shares Price Value
Exercise Common stock 1,750 $50.71 $89K
Exercise Common stock 1,750 $50.71 $89K
Sale Common stock 1,750 $57.7194 $101K
holding Common stock -- -- --
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 -- -- --
Holdings After Transaction: Common stock — 4,290 shares (Direct); Option to purchase — 33,750 shares (Direct)
Footnotes (10)
  1. F1. 438 shares vest on 11/18/2017 and 11/18/2018, and 437 shares vest on 11/18/2019 and 11/18/2020
  2. F2. 625 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021
  3. F3. 700 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
  4. F4. 875 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
  5. F5. 950 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
  6. F6. 1,125 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
  7. F7. 1,188 shares vest on 11/17/2023 and 11/17/2024 and 1,187 shares vest on 11/17/2025 and 11/17/2026
  8. F8. 1,200 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
  9. F9. 1,200 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
  10. F10. 1,200 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 insider transaction was reported for GSBC?
An option exercise of 1,750 shares at $50.71 and a sale of 1,750 shares at $57.7194 on 11/10/2025.

How many GSBC shares does the insider own after the transactions?
The reporting person directly owns 1,790 shares following the reported transactions.

What were the transaction codes used in the GSBC Form 4?
Code M for the option exercise and code S for the share sale.

What is the insider’s relationship to GSBC?
The reporting person is an Officer, specifically a Vice President of a subsidiary.

What derivative securities are listed for the GSBC insider?
Multiple stock options remain outstanding with exercise prices from $41.3 to $61.79, expiring between 10/24/2026 and 11/20/2034.

Was the exercised option fully depleted?
Yes. The option covering 1,750 shares at $50.71 shows 0 derivative securities remaining afterward.
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*
Bugh John M
(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)
Director 10% Owner
Officer (give title below) X Other (specify below)
Vice President of Subsidiary
3. Date of Earliest Transaction (Month/Day/Year)
11/10/2025
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 11/10/2025 M 1,750 A $50.71 3,540 D
Common stock 11/10/2025 S 1,750 D $57.7194 1,790 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
Common stock $50.71 11/10/2025 M 1,750 (1) 11/18/2025 Common stock 1,750 $50.71 0 D
Common stock $41.3 (2) 10/24/2026 Common stock 2,500 2,500 D
Option to purchase $52.2 (3) 11/15/2027 Common stock 2,800 5,300 D
Option to purchase $55 (4) 11/28/2028 Common stock 3,500 8,800 D
Option to purchase $60.15 (5) 11/20/2029 Common stock 3,800 12,600 D
Option to purchase $41.74 (6) 10/26/2030 Common stock 4,500 17,100 D
Option to purchase $57.98 (7) 11/17/2031 Common stock 4,750 21,850 D
Option to purchase $61.55 (8) 11/16/2032 Common stock 4,800 26,650 D
Option to purchase $53.22 (9) 11/15/2033 Common stock 4,800 31,450 D
Option to purchase $61.79 (10) 11/20/2034 Common stock 4,800 36,250 D
Explanation of Responses:
1. 438 shares vest on 11/18/2017 and 11/18/2018, and 437 shares vest on 11/18/2019 and 11/18/2020
2. 625 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021
3. 700 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
4. 875 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
5. 950 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
6. 1,125 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
7. 1,188 shares vest on 11/17/2023 and 11/17/2024 and 1,187 shares vest on 11/17/2025 and 11/17/2026
8. 1,200 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
9. 1,200 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
10. 1,200 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029
Remarks:
Matt Snyder, by Power of Attorney from John M. Bugh 11/12/2025
** 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