Earl A. Steinert Jr. - 19 Nov 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.
Issuer symbol
GSBC
Transactions as of
19 Nov 2025
Net transactions value
+$114,580
Form type
4
Filing time
20 Nov 2025, 16:05:24 UTC
Previous filing
22 Nov 2024
Next filing
04 Feb 2026

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. 20 Nov 2025 0001284362

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding GSBC Common stock 939,596 19 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 Option to purchase Award $28,645 +500 $57.29 500 19 Nov 2025 Common stock 500 $57.29 Direct
transaction GSBC Option to purchase Award $28,645 +500 +100% $57.29 1,000 19 Nov 2025 Common stock 500 $57.29 Direct
transaction GSBC Option to purchase Award $28,645 +500 +50% $57.29 1,500 19 Nov 2025 Common stock 500 $57.29 Direct
transaction GSBC Option to purchase Award $28,645 +500 +33% $57.29 2,000 19 Nov 2025 Common stock 500 $57.29 Direct
holding GSBC Option to purchase 4,000 19 Nov 2025 Common stock 2,000 $60.15 Direct F1
holding GSBC Option to purchase 5,000 19 Nov 2025 Common stock 1,000 $41.74 Direct F2
holding GSBC Option to purchase 7,000 19 Nov 2025 Common stock 2,000 $57.98 Direct F3
holding GSBC Option to purchase 9,000 19 Nov 2025 Common stock 2,000 $61.55 Direct F4
holding GSBC Option to purchase 11,000 19 Nov 2025 Common stock 2,000 $53.22 Direct F5
holding GSBC Option to purchase 13,000 19 Nov 2025 Common stock 2,000 $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