COPELAND REX A 4

What Happened

• Rex A. Copeland, Treasurer and Senior VP of a subsidiary of Great Southern Bancorp (GSBC), exercised stock options (transaction code M) and sold shares in open-market transactions (code S).
• He exercised a total of 4,200 options at $52.20 per share (4,200 x $52.20 = $219,240). Of those, he sold 2,036 shares on Apr 30 at $68.25 ($138,957) and 914 shares on May 1 at $68.77 ($62,856), for total sale proceeds of $201,813. After these trades he retained 1,250 of the newly exercised shares.
• The filing also records the cancellation/disposition of the underlying derivative instruments corresponding to the exercised options (common when options are exercised).

Key Details

• Dates and prices: Apr 30, 2026 — exercised 2,036 @ $52.20 and sold 2,036 @ $68.25; May 1, 2026 — exercised 1,250 @ $52.20 (retained) and exercised 914 @ $52.20 then sold 914 @ $68.77.
• Cash flow: Total exercise cost $219,240; total open-market sale proceeds $201,813. Net cash difference ≈ –$17,427 (reflects retained shares and timing of sales).
• Shares owned after transaction: Filing does not state total beneficial ownership; Copeland appears to retain 1,250 freshly exercised shares.
• Footnotes: Filing lists multiple prior vesting schedules (F1–F6) for awards with vest dates from 2019 through 2027.
• Timeliness: Report filed 2026-05-01 for transactions dated 2026-04-30 and 2026-05-01 — appears timely.
• Codes explained: M = option exercise (and disposition of the derivative); S = open-market sale. No 10b5-1 or tax-withholding sale plan is indicated in the data provided.

Context

• This pattern — exercising options and immediately selling some of the resulting shares — is common for covering exercise costs and tax obligations. Here Copeland exercised 4,200 options, sold 2,950 on the open market, and retained 1,250 shares.
• The transactions are factual disclosures of insider activity and do not in themselves reveal the insider’s motives or signal about company performance.