John M. Bugh - 10 Nov 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
Issuer symbol
GSBC
Transactions as of
10 Nov 2025
Net transactions value
-$101,009
Form type
4
Filing time
12 Nov 2025, 09:41:11 UTC
Previous filing
22 Nov 2024
Next filing
20 Nov 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 12 Nov 2025 0001712461

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GSBC Common stock Options Exercise $88,742 +1,750 +98% $50.71 3,540 10 Nov 2025 Direct
transaction GSBC Common stock Sale $101,009 -1,750 -49% $57.72 1,790 10 Nov 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 Common stock Options Exercise $88,742 -1,750 -100% $50.71 0 10 Nov 2025 Common stock 1,750 $50.71 Direct F1
holding GSBC Common stock 2,500 10 Nov 2025 Common stock 2,500 $41.30 Direct F2
holding GSBC Option to purchase 5,300 10 Nov 2025 Common stock 2,800 $52.20 Direct F3
holding GSBC Option to purchase 8,800 10 Nov 2025 Common stock 3,500 $55.00 Direct F4
holding GSBC Option to purchase 12,600 10 Nov 2025 Common stock 3,800 $60.15 Direct F5
holding GSBC Option to purchase 17,100 10 Nov 2025 Common stock 4,500 $41.74 Direct F6
holding GSBC Option to purchase 21,850 10 Nov 2025 Common stock 4,750 $57.98 Direct F7
holding GSBC Option to purchase 26,650 10 Nov 2025 Common stock 4,800 $61.55 Direct F8
holding GSBC Option to purchase 31,450 10 Nov 2025 Common stock 4,800 $53.22 Direct F9
holding GSBC Option to purchase 36,250 10 Nov 2025 Common stock 4,800 $61.79 Direct F10
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 438 shares vest on 11/18/2017 and 11/18/2018, and 437 shares vest on 11/18/2019 and 11/18/2020
F2 625 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021
F3 700 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
F4 875 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
F5 950 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
F6 1,125 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
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
F8 1,200 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
F9 1,200 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
F10 1,200 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029