SEC Form 4 · accession 0001214659-26-010653
GREAT SOUTHERN BANCORP, INC. · GSBC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Julie A Brown
Director
Period of report
Aug 17, 2026
Accepted (ET)
Aug 20, 2026 · 4:30 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000854560
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common stock | Aug 17, 2026 | S | 851 | $81.00 | D | 7,052 | I | Children's Accounts |
| Common stock | holding | — | — | — | 32,896 | D | ||
| Common stock | holding | — | — | — | 369,738 | I | LTD Family Partnership |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Option to purchaseF1 | $52.20 | holding | — | — | — | — | Nov 15, 2027 | Common Stock | 2,000 | 2,000 | D |
| Option to purchaseF2 | $55.00 | holding | — | — | — | — | Nov 28, 2028 | Common stock | 2,000 | 4,000 | D |
| Option to purchaseF3 | $60.15 | holding | — | — | — | — | Nov 20, 2029 | Common stock | 2,000 | 6,000 | D |
| Option to purchaseF4 | $41.74 | holding | — | — | — | — | Oct 26, 2030 | Common stock | 500 | 6,500 | D |
| Option to purchaseF5 | $57.98 | holding | — | — | — | — | Nov 17, 2031 | Common stock | 2,000 | 8,500 | D |
| Option to purchaseF6 | $61.55 | holding | — | — | — | — | Nov 16, 2032 | Common stock | 2,000 | 10,500 | D |
| Option to purchaseF7 | $53.22 | holding | — | — | — | — | Nov 15, 2033 | Common stock | 2,000 | 12,500 | D |
| Option to purchaseF8 | $61.79 | holding | — | — | — | — | Nov 20, 2034 | Common stock | 2,000 | 14,500 | D |
| Option to purchaseF9 | $57.29 | holding | — | — | — | — | Nov 19, 2035 | Common stock | 2,000 | 16,500 | D |
Explanation of responses
- F1500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
- F2500 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
- F3500 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
- F4500 shares vest on 10/26/2025
- F5500 shares vest on 11/17/2023, 11/17/2024, 11/17/2025 and 11/17/2026
- F6500 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
- F7500 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
- F8500 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029
- F9500 shares vest on 11/19/2027, 11/19/2028, 11/19/2029 and 11/19/2030