CARLSON THOMAS J - 03 Feb 2026 Form 4 Insider Report for GREAT SOUTHERN BANCORP, INC. (GSBC)

Role
Director
Signature
Matt Snyder, by Power of Attorney from Thomas J. Carlson
Issuer symbol
GSBC
Transactions as of
03 Feb 2026
Net transactions value
-$42,956
Form type
4
Filing time
04 Feb 2026, 17:04:54 UTC
Previous filing
29 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
CARLSON THOMAS J Director CARE OF GREAT SOUTHERN BANK, 218 S. GLENSTONE AVE, SPRINGFIELD Matt Snyder, by Power of Attorney from Thomas J. Carlson 04 Feb 2026 0001135396

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GSBC Common stock Sale $42,956 -680 -3.8% $63.17 17,206 03 Feb 2026 Spouse
holding GSBC Common stock 100 03 Feb 2026 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
holding GSBC Option to purchase 2,000 03 Feb 2026 Common Stock 2,000 $52.20 Direct F1
holding GSBC Option to purchase 4,000 03 Feb 2026 Common stock 2,000 $55.00 Direct F2
holding GSBC Option to purchase 6,000 03 Feb 2026 Common stock 2,000 $60.15 Direct F3
holding GSBC Option to purchase 8,000 03 Feb 2026 Common stock 2,000 $41.74 Direct F4
holding GSBC Option to purchase 10,000 03 Feb 2026 Common stock 2,000 $57.98 Direct F5
holding GSBC Option to purchase 12,000 03 Feb 2026 Common stock 2,000 $61.55 Direct F6
holding GSBC Option to purchase 14,000 03 Feb 2026 Common stock 2,000 $53.22 Direct F7
holding GSBC Option to purchase 16,000 03 Feb 2026 Common stock 2,000 $61.79 Direct F8
holding GSBC Option to purchase 18,000 03 Feb 2026 Common stock 2,000 $57.29 Direct F9
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
F2 500 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
F3 500 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
F4 500 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
F5 500 shares vest on 11/17/2023, 11/17/2024, 11/17/2025 and 11/17/2026
F6 500 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
F7 500 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
F8 500 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029
F9 500 shares vest on 11/19/2027, 11/19/2028, 11/19/2029 and 11/19/2030