Earl A. Steinert Jr - Nov 19, 2025 Form 4 Insider Report for GREAT SOUTHERN BANCORP, INC. (GSBC)

Role
Director
Signature
Matt Snyder, by Power of Attorney from Earl A. Steinert, Jr.
Stock symbol
GSBC
Transactions as of
Nov 19, 2025
Transactions value $
$114,580
Form type
4
Date filed
11/20/2025, 04:05 PM
Previous filing
Nov 22, 2024
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
STEINERT EARL A JR Director CARE OF GREAT SOUTHERN BANK, 218 S. GLENSTONE AVE, SPRINGFIELD Matt Snyder, by Power of Attorney from Earl A. Steinert, Jr. 2025-11-20 0001284362

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding GSBC Common stock 940K 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 $28.6K +500 $57.29 500 Nov 19, 2025 Common stock 500 $57.29 Direct
transaction GSBC Option to purchase Award $28.6K +500 +100% $57.29 1K Nov 19, 2025 Common stock 500 $57.29 Direct
transaction GSBC Option to purchase Award $28.6K +500 +50% $57.29 1.5K Nov 19, 2025 Common stock 500 $57.29 Direct
transaction GSBC Option to purchase Award $28.6K +500 +33.33% $57.29 2K Nov 19, 2025 Common stock 500 $57.29 Direct
holding GSBC Option to purchase 4K Nov 19, 2025 Common stock 2K $60.15 Direct F1
holding GSBC Option to purchase 5K Nov 19, 2025 Common stock 1K $41.74 Direct F2
holding GSBC Option to purchase 7K Nov 19, 2025 Common stock 2K $57.98 Direct F3
holding GSBC Option to purchase 9K Nov 19, 2025 Common stock 2K $61.55 Direct F4
holding GSBC Option to purchase 11K Nov 19, 2025 Common stock 2K $53.22 Direct F5
holding GSBC Option to purchase 13K Nov 19, 2025 Common stock 2K $61.79 Direct F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 500 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
F2 500 shares vest on 10/26/2024, 10/26/2025
F3 500 shares vest on 11/17/2023, 11/17/2024, 11/17/2025 and 11/17/2026
F4 500 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
F5 500 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
F6 500 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029