Turner William V - Nov 19, 2025 Form 4 Insider Report for GREAT SOUTHERN BANCORP, INC. (GSBC)

Role
Director
Signature
Matt Snyder, by Power of Attorney from William V. Turner
Stock symbol
GSBC
Transactions as of
Nov 19, 2025
Transactions value $
$446,862
Form type
4
Date filed
11/20/2025, 04:15 PM
Previous filing
May 29, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
TURNER WILLIAM V Director CARE OF GREAT SOUTHERN BANK, 218 S GLENSTONE AVE, SPRINGFIELD Matt Snyder, by Power of Attorney from William V. Turner 2025-11-20 0001044043

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding GSBC Common stock 199K Nov 19, 2025 Direct
holding GSBC Common stock 8.79K Nov 19, 2025 401(k) Plan

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 $112K +1.95K $57.29 1.95K Nov 19, 2025 Common stock 1.95K $57.29 Direct
transaction GSBC Option to purchase Award $112K +1.95K +100% $57.29 3.9K Nov 19, 2025 Common stock 1.95K $57.29 Direct
transaction GSBC Option to purchase Award $112K +1.95K +50% $57.29 5.85K Nov 19, 2025 Common stock 1.95K $57.29 Direct
transaction GSBC Option to purchase Award $112K +1.95K +33.33% $57.29 7.8K Nov 19, 2025 Common stock 1.95K $57.29 Direct
holding GSBC Option to purchase 13.8K Nov 19, 2025 Common Stock 6K $41.30 Direct F1
holding GSBC Option to purchase 19.8K Nov 19, 2025 Common Stock 6K $52.20 Direct F2
holding GSBC Option to purchase 26.8K Nov 19, 2025 Common Stock 7K $55.00 Direct F3
holding GSBC Option to purchase 33.8K Nov 19, 2025 Common stock 7K $60.15 Direct F4
holding GSBC Option to purchase 41.3K Nov 19, 2025 Common stock 7.5K $41.74 Direct F5
holding GSBC Option to purchase 49.1K Nov 19, 2025 Common stock 7.75K $57.98 Direct F6
holding GSBC Option to purchase 56.9K Nov 19, 2025 Common stock 7.8K $61.55 Direct F7
holding GSBC Option to purchase 64.7K Nov 19, 2025 Common stock 7.8K $53.22 Direct F8
holding GSBC Option to purchase 72.5K Nov 19, 2025 Common stock 7.8K $61.79 Direct F9
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 1,500 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021
F2 1,500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
F3 1,750 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
F4 1,750 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
F5 1,875 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
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
F7 1,950 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
F8 1,950 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
F9 1,950 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029