Mark A. Maples - 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 Mark A Maples
Issuer symbol
GSBC
Transactions as of
19 Nov 2025
Net transactions value
+$274,992
Form type
4
Filing time
20 Nov 2025, 16:30:13 UTC
Previous filing
02 Dec 2024
Next filing
01 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Maples Mark A Vice President of Subsidiary CARE OF GREAT SOUTHERN BANK, 218 S. GLENSTONE AVE, SPRINGFIELD Matt Snyder, by Power of Attorney from Mark A Maples 20 Nov 2025 0001868939

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding GSBC Common Stock 0 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 $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 5,050 19 Nov 2025 Common stock 250 $41.74 Direct F1
holding GSBC Option to purchase 7,424 19 Nov 2025 Common stock 2,374 $57.98 Direct F2
holding GSBC Option to purchase 11,024 19 Nov 2025 Common stock 3,600 $61.55 Direct F3
holding GSBC Option to purchase 15,824 19 Nov 2025 Common stock 4,800 $53.22 Direct F4
holding GSBC Option to purchase 20,624 19 Nov 2025 Common stock 4,800 $61.79 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 250 shares vest on 10/26/2025
F2 1,187 shares vest on 11/17/2025 and 11/17/2026
F3 1,200 shares vest on 11/16/2025, 11/16/2026 and 11/16/2027
F4 1,200 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
F5 1,200 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029