Great Southn Bancorp Inc SEC Filings

Great Southern Bancorp, Inc. (GSBC) President/CEO and director Joseph W. Turner, a 10% owner, reported updated holdings as of a transaction on 10/14/2025. A dividend reinvestment plan purchase added 19 shares of common stock at $60.30 to a Children's Trust account, reported with transaction code J(1) as a voluntary DRIP acquisition.

After this and prior activity, Turner holds 137,382 GSBC common shares directly, plus indirect holdings including 2,478 through his spouse, 11,360 in a Children's Trust, 18,212 in a 401(k) plan, and 369,738 through an LTD family partnership. He also reports a series of employee stock options, including new options to purchase 1,950 shares at $57.29 vesting annually from 2027 through 2030 and expiring on 11/19/2035, along with earlier grants at exercise prices ranging from $41.30 to $61.79 with expirations between 10/24/2026 and 11/20/2034, totaling 72,450 derivative securities beneficially owned.

Great Southern Bancorp, Inc. (GSBC)10/14/2025, 56 shares of common stock were acquired through a dividend reinvestment plan at $60.1181 per share into children's accounts, reported as indirect ownership. After this transaction, she reports 32,896 common shares held directly, 7,757 shares held indirectly in children's accounts, and 369,738 shares held indirectly through an LTD family partnership. The filing also lists multiple stock option grants to purchase GSBC common stock, with exercise prices ranging from $41.74 to $61.79 and a total of 16,500 options held directly, vesting across various dates and expiring as late as 2035.

Great Southern Bancorp, Inc. (GSBC)10/14/2025, the reporting person acquired 15 shares of common stock at a price of $59.9887 per share through a transaction noted as code J, described as a DRIP acquisition that is exempt from Section 16 reporting and is being reported voluntarily. After this, the director beneficially owned 1,987 shares of common stock directly.

The filing also details multiple option grants to purchase GSBC common stock. One set of options has an exercise price of $57.29 per share, with 500-share tranches first exercisable on 11/19/2027, 11/19/2028, 11/19/2029 and 11/19/2030, all expiring on 11/19/2035. Additional outstanding options cover various grants with exercise prices between $41.74 and $61.79, in blocks of 2,000 shares each, with vesting dates from 03/15/2019 through 11/20/2029 and an aggregate of 23,000 optioned shares reported as beneficially owned.

Great Southern Bancorp, Inc. (GSBC)10/14/2025, the reporting person voluntarily disclosed the acquisition of 28 shares of common stock through a dividend reinvestment plan at $60.30 per share, bringing direct beneficial ownership to 4,054 shares.

The filing also lists derivative holdings consisting of options to purchase a total of 8,000 shares of common stock at exercise prices including $57.29, $61.55, $53.22, and $61.79. Portions of these options vest in 500-share installments on specified dates between 11/16/2024 and 11/20/2029, with expiration dates extending to 11/20/2035. All reported holdings are shown as directly owned.

Great Southern Bancorp, Inc. (GSBC)10/14/2025, he acquired 59 shares of common stock through a dividend reinvestment plan at $59.9887 per share, bringing his directly owned common stock to 11,481 shares. The filing also lists multiple "option to purchase" awards, including four new grants of 500 options each at an exercise price of $57.29, exercisable beginning 11/19/2025 and expiring on 11/19/2035, with vesting in annual 500-share increments from 2019 through 2029. After the reported transactions, he holds 18,000 stock options directly.

Great Southern Bancorp (GSBC)10/14/2025, an automatic dividend reinvestment plan (DRIP) purchase added 124 shares of common stock at $61.0699 per share, held indirectly through his spouse, bringing indirect beneficial ownership to 17,764 shares.

The filing also details stock options. On 11/19/2025, Carlson received options to purchase a total of 2,000 GSBC shares at an exercise price of $57.29 per share, split into four grants of 500 shares each, with exercisability beginning between 11/19/2027 and 11/19/2030 and expiring on 11/19/2035. Including earlier grants with exercise prices ranging from $41.30 to $61.79, he now directly holds options on 20,000 shares of GSBC common stock.

Great Southern Bancorp, Inc. (GSBC)11/19/2025, the insider was granted four "option to purchase" awards, each covering 1,200 shares of common stock at an exercise price of $57.29 per share. These new options become exercisable on 11/19/2027, 11/19/2028, 11/19/2029, and 11/19/2030, and all expire on 11/19/2035. After these transactions, the insider directly beneficially owns 20,624 derivative securities (stock options) tied to GSBC common stock, reflecting both the new grants and prior option awards with vesting schedules extending through 2029 and expirations between 2030 and 2035.

Great Southern Bancorp, Inc. (GSBC)1,790 shares of Great Southern Bancorp common stock directly.

On 11/19/2025, the insider received several stock option grants to purchase common stock at an exercise price of $57.29 per share. These options include multiple tranches of 1,200 options each, with vesting and exercisability dates ranging from 11/19/2027 through 11/19/2030 and expiration on 11/19/2035. Following the reported transactions, the insider holds 41,050 derivative securities (stock options) directly.

Great Southern Bancorp, Inc. (GSBC) vice president of a subsidiary Kevin L. Baker reported new equity awards on a Form 4 dated 11/19/2025. He received four grants of options to purchase common stock, each for 1,200 shares, all with an exercise price of $57.29 and an expiration date of 11/19/2035, bringing his directly held stock options to 38,550 derivative securities after the reported transactions. He also has indirect ownership of approximately 9,560 shares of common stock through the company’s 401(k) plan, where the balance is shown as the equivalent number of shares in the issuer’s common stock fund.