John M. Bugh - Nov 19, 2025 Form 4 Insider Report for GREAT SOUTHERN BANCORP, INC. (GSBC)

Role
Vice President of Subsidiary
Signature
Matt Snyder, by Power of Attorney from John M. Bugh
Stock symbol
GSBC
Transactions as of
Nov 19, 2025
Transactions value $
$274,992
Form type
4
Date filed
11/20/2025, 04:25 PM
Previous filing
Nov 12, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bugh John M Vice President of Subsidiary CARE OF GREAT SOUTHERN BANK, 218 S. GLENSTONE AVE, SPRINGFIELD Matt Snyder, by Power of Attorney from John M. Bugh 2025-11-20 0001712461

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding GSBC Common stock 1.79K Nov 19, 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction GSBC Option to purchase Award $68.7K +1.2K $57.29 1.2K Nov 19, 2025 Common stock 1.2K $57.29 Direct
transaction GSBC Option to purchase Award $68.7K +1.2K +100% $57.29 2.4K Nov 19, 2025 Common stock 1.2K $57.29 Direct
transaction GSBC Option to purchase Award $68.7K +1.2K +50% $57.29 3.6K Nov 19, 2025 Common stock 1.2K $57.29 Direct
transaction GSBC Option to purchase Award $68.7K +1.2K +33.33% $57.29 4.8K Nov 19, 2025 Common stock 1.2K $57.29 Direct
holding GSBC Common stock 7.3K Nov 19, 2025 Common stock 2.5K $41.30 Direct F1
holding GSBC Option to purchase 10.1K Nov 19, 2025 Common stock 2.8K $52.20 Direct F2
holding GSBC Option to purchase 13.6K Nov 19, 2025 Common stock 3.5K $55.00 Direct F3
holding GSBC Option to purchase 17.4K Nov 19, 2025 Common stock 3.8K $60.15 Direct F4
holding GSBC Option to purchase 21.9K Nov 19, 2025 Common stock 4.5K $41.74 Direct F5
holding GSBC Option to purchase 26.7K Nov 19, 2025 Common stock 4.75K $57.98 Direct F6
holding GSBC Option to purchase 31.5K Nov 19, 2025 Common stock 4.8K $61.55 Direct F7
holding GSBC Option to purchase 36.3K Nov 19, 2025 Common stock 4.8K $53.22 Direct F8
holding GSBC Option to purchase 41.1K Nov 19, 2025 Common stock 4.8K $61.79 Direct F9
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 625 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021
F2 700 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
F3 875 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
F4 950 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
F5 1,125 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
F6 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
F7 1,200 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
F8 1,200 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
F9 1,200 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029