Earl A. Steinert Jr. - 04 Feb 2026 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
04 Feb 2026
Net transactions value
-$95,240
Form type
4
Filing time
04 Feb 2026, 17:33:18 UTC
Previous filing
20 Nov 2025
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. 04 Feb 2026 0001284362

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GSBC Common stock Options Exercise $41,740 +1,000 +0.11% $41.74 940,596 04 Feb 2026 Direct
transaction GSBC Common stock Options Exercise $26,610 +500 +0.05% $53.22 941,096 04 Feb 2026 Direct
transaction GSBC Common stock Sale $95,240 -1,500 -0.16% $63.49 939,596 04 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
transaction GSBC Option to purchase Options Exercise $41,740 -1,000 -33% $41.74 2,000 04 Feb 2026 Common stock 1,000 $41.74 Direct F2
transaction GSBC Option to purchase Options Exercise $26,610 -500 -6.2% $53.22 7,500 04 Feb 2026 Common stock 2,000 $53.22 Direct F5
holding GSBC Option to purchase 2,000 04 Feb 2026 Common stock 2,000 $60.15 Direct F1
holding GSBC Option to purchase 4,000 04 Feb 2026 Common stock 2,000 $57.98 Direct F3
holding GSBC Option to purchase 6,000 04 Feb 2026 Common stock 2,000 $61.55 Direct F4
holding GSBC Option to purchase 9,500 04 Feb 2026 Common stock 2,000 $61.79 Direct F6
holding GSBC Option to purchase 11,500 04 Feb 2026 Common stock 2,000 $57.29 Direct F7
* 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
F7 500 shares vest on 11/19/2027, 11/19/2028, 11/19/2029 and 11/19/2030