Kevin L. Baker - 19 Nov 2025 Form 4 Insider Report for GREAT SOUTHERN BANCORP, INC. (GSBC)

Role
Vice President of Subsidiary
Signature
Matt Snyder, by Power of Attorney from Kevin L. Baker
Issuer symbol
GSBC
Transactions as of
19 Nov 2025
Net transactions value
+$274,992
Form type
4
Filing time
20 Nov 2025, 16:20:08 UTC
Previous filing
07 Feb 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Baker Kevin L Vice President of Subsidiary CARE OF GREAT SOUTHERN BANK, 218 S. GLENSTONE AVE, SPRINGFIELD Matt Snyder, by Power of Attorney from Kevin L. Baker 20 Nov 2025 0001712496

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding GSBC Common Stock 14 19 Nov 2025 Direct
holding GSBC Common Stock 9,560 19 Nov 2025 401(k) Plan F1

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 $68,748 +1,200 $57.29 1,200 19 Nov 2025 Common stock 1,200 $57.29 Direct
transaction GSBC Option to purchase Award $68,748 +1,200 +100% $57.29 2,400 19 Nov 2025 Common stock 1,200 $57.29 Direct
transaction GSBC Option to purchase Award $68,748 +1,200 +50% $57.29 3,600 19 Nov 2025 Common stock 1,200 $57.29 Direct
transaction GSBC Option to purchase Award $68,748 +1,200 +33% $57.29 4,800 19 Nov 2025 Common stock 1,200 $57.29 Direct
holding GSBC Option to purchase 7,600 19 Nov 2025 Common stock 2,800 $52.20 Direct F2
holding GSBC Option to purchase 11,100 19 Nov 2025 Common Stock 3,500 $55.00 Direct F3
holding GSBC Option to purchase 14,900 19 Nov 2025 Common stock 3,800 $60.15 Direct F4
holding GSBC Option to purchase 19,400 19 Nov 2025 Common stock 4,500 $41.74 Direct F5
holding GSBC Option to purchase 24,150 19 Nov 2025 Common stock 4,750 $57.98 Direct F6
holding GSBC Option to purchase 28,950 19 Nov 2025 Common stock 4,800 $61.55 Direct F7
holding GSBC Option to purchase 33,750 19 Nov 2025 Common stock 4,800 $53.22 Direct F8
holding GSBC Option to purchase 38,550 19 Nov 2025 Common stock 4,800 $61.79 Direct F9
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects reporting person's holdings of units in Issuer's common stock fund under Issuer's 401(k) plan. Number of shares shown as beneficially owned under the plan represents the approximate equivalent number of shares of Issuer's common stock.
F2 700 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
F3 875 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
F4 950 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
F5 1,125 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
F6 1,188 shares vest on 11/17/2023 and 11/17/2024 and 1,187 shares vest on 11/17/2025 and 11/17/2026
F7 1,200 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
F8 1,200 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
F9 1,200 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029