Form4insider filings, from the source

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
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

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common stockAug 17, 2026S851$81.00D7,052IChildren's Accounts
Common stockholding———32,896D
Common stockholding———369,738ILTD Family Partnership

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Option to purchaseF1$52.20holding————Nov 15, 2027Common Stock2,0002,000D
Option to purchaseF2$55.00holding————Nov 28, 2028Common stock2,0004,000D
Option to purchaseF3$60.15holding————Nov 20, 2029Common stock2,0006,000D
Option to purchaseF4$41.74holding————Oct 26, 2030Common stock5006,500D
Option to purchaseF5$57.98holding————Nov 17, 2031Common stock2,0008,500D
Option to purchaseF6$61.55holding————Nov 16, 2032Common stock2,00010,500D
Option to purchaseF7$53.22holding————Nov 15, 2033Common stock2,00012,500D
Option to purchaseF8$61.79holding————Nov 20, 2034Common stock2,00014,500D
Option to purchaseF9$57.29holding————Nov 19, 2035Common stock2,00016,500D

Explanation of responses