TURNER JOSEPH W - 13 Jan 2026 Form 4 Insider Report for GREAT SOUTHERN BANCORP, INC. (GSBC)

Role
President/CEO, Director, 10%+ Owner
Signature
Matt Snyder, by Power of Attorney from Joseph W. Turner
Issuer symbol
GSBC
Transactions as of
13 Jan 2026
Net transactions value
-$363,297
Form type
4
Filing time
27 Jan 2026, 16:30:10 UTC
Previous filing
20 Nov 2025
Next filing
24 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
TURNER JOSEPH W President/CEO, Director, 10%+ Owner 218 S GLENSTONE AVE, SPRINGFIELD Matt Snyder, by Power of Attorney from Joseph W. Turner 27 Jan 2026 0001044047

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GSBC Common stock Options Exercise $247,800 +6,000 +4.4% $41.30 143,382 26 Jan 2026 Direct
transaction GSBC Common stock Sale $364,427 -6,000 -4.2% $60.74 137,382 26 Jan 2026 Direct
transaction GSBC Common stock Other $1,130 +18 +0.16% $62.78 11,378 13 Jan 2026 Children's Trust F1
holding GSBC Common stock 2,478 13 Jan 2026 Spouse
holding GSBC Common stock 18,335 13 Jan 2026 401(k) Plan
holding GSBC Common stock 369,738 13 Jan 2026 LTD Family Partnership

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 $247,800 -6,000 -100% $41.30 0 26 Jan 2026 Common Stock 6,000 $41.30 Direct F2
holding GSBC Option to purchase 6,000 13 Jan 2026 Common Stock 6,000 $52.20 Direct F3
holding GSBC Option to purchase 13,000 13 Jan 2026 Common Stock 7,000 $55.00 Direct F4
holding GSBC Option to purchase 20,000 13 Jan 2026 Common stock 7,000 $60.15 Direct F5
holding GSBC Option to purchase 27,500 13 Jan 2026 Common stock 7,500 $41.74 Direct F6
holding GSBC Option to purchase 35,250 13 Jan 2026 Common stock 7,750 $57.98 Direct F7
holding GSBC Option to purchase 43,050 13 Jan 2026 Common stock 7,800 $61.55 Direct F8
holding GSBC Option to purchase 50,850 13 Jan 2026 Common Stock 7,800 $53.22 Direct F9
holding GSBC Option to purchase 58,650 13 Jan 2026 Common stock 7,800 $61.79 Direct F10
holding GSBC Option to purchase 66,450 13 Jan 2026 Common stock 7,800 $57.29 Direct F11
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 DRIP acquisition exempt from Section 16 reporting being reported voluntarily
F2 1,500 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021
F3 1,500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
F4 1,750 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
F5 1,750 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
F6 1,875 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
F7 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
F8 1,950 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
F9 1,950 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
F10 1,950 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029
F11 1,950 shares vest on 11/19/2027, 11/19/2028, 11/19/2029 and 11/19/2030