InsiderTrades

Form 4 for GSBC GREAT SOUTHERN BANCORP, INC.

Accepted 2026-05-26 17:09:37 ET · period of report 2026-05-26 · accession 0001214659-26-006741 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-05-26 17:09 2026-05-26 GSBC STEINERT EARL A JR Dir M - OptEx $59.74 +4,500 944.1K +0.5% +$268.8K
D 2026-05-26 17:09 2026-05-26 GSBC STEINERT EARL A JR Dir S - Sale+OE $71.62 -4,500 939.6K -0.5% -$322.3K
DM 2026-05-26 17:09 2026-05-26 GSBC STEINERT EARL A JR Dir M - OptEx $59.74 -4,500 1,500 -75% -$268.8K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common stock 2026-05-26 M A 2,000 $60.15 941,596 D — —
2 Common Common stock 2026-05-26 M A 1,500 $57.98 943,096 D — —
3 Common Common stock 2026-05-26 M A 1,000 $61.55 944,096 D — —
4 Common Common stock 2026-05-26 S D 4,500 $71.62 939,596 D — —
5 Derivative Option to purchase 2026-05-26 M D 2,000 $60.15 0 D $60.15 · — to 2029-11-20 2,000 Common stock (F1) 500 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
6 Derivative Option to purchase 2026-05-26 M D 1,500 $57.98 500 D $57.98 · — to 2031-11-17 2,000 Common stock (F2) 500 shares vest on 11/17/2023, 11/17/2024, 11/17/2025 and 11/17/2026
7 Derivative Option to purchase 2026-05-26 M D 1,000 $61.55 1,500 D $61.55 · — to 2032-11-16 2,000 Common stock (F3) 500 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027