Great Southern Bancorp Inc Form 4 Filings

GREAT SOUTHERN BANCORP, INC. (GSBC) director Douglas M. Pitt reported acquiring 46 shares of common stock on 2026-07-14 in a code J "other" transaction described as a DRIP acquisition at $78.0111 per share, bringing his directly held common stock to 11,639 shares. He also reported outstanding employee stock options, each for 2,000 underlying common shares, with exercise prices ranging from $41.74 to $61.79 and expiration dates between 2027 and 2035, subject to annual vesting of 500 shares per grant on specified future dates.

GREAT SOUTHERN BANCORP, INC. director Thomas J. Carlson reported an other acquisition of 96 shares of common stock on 2026-07-14 at $77.84 per share, noted as a DRIP acquisition for his spouse and held indirectly. Following this transaction, indirect common stock holdings reported for the spouse-related account were 17,411 shares, and Carlson also reported 100 shares of common stock held directly. The filing also lists several outstanding stock options held directly, each covering 2,000 underlying common shares at exercise prices between $41.74 and $61.79, with expiration dates from 2027 through 2035.

GREAT SOUTHERN BANCORP, INC. (GSBC) director Debra Mallonee Hart reported acquiring 11 shares of common stock on 2026-07-14 through a DRIP transaction at $78.0111 per share, bringing her directly held common stock to 2,024 shares. The company notes this DRIP acquisition is voluntarily reported as it is exempt from Section 16 reporting. Hart also holds multiple employee stock options, including options on 5,000 underlying shares at an exercise price of $51.40 expiring on 2027-03-15 and options on 2,000 underlying shares at $52.20 expiring on 2027-11-15, with additional 2,000-share grants expiring between 2028 and 2035. The Rule 10b5-1 checkbox is not marked as using a trading plan.

GREAT SOUTHERN BANCORP, INC. director Steven D. Edwards reported acquiring 23 shares of common stock on 2026-07-14 at $77.706 per share through a DRIP acquisition that is exempt from Section 16 reporting but reported voluntarily. Following this, he holds 4,131 common shares directly. He also holds several option awards to purchase common stock, covering 8,000 underlying shares with exercise prices between $53.22 and $61.79, vesting in equal 500-share installments on specified November dates from 2024 through 2030.

GREAT SOUTHERN BANCORP director Julie A. Brown reported an acquisition of 43 shares of common stock on July 14, 2026 through a Dividend Reinvestment Plan (DRIP), allocated to children's accounts at a price of $77.5502 per share, bringing those indirect holdings to 7,903 shares. She also reports 32,896 directly held common shares and 369,738 indirect shares via an LTD Family Partnership, plus multiple option grants to purchase common stock with exercise prices between $41.74 and $61.79 and expirations from 2027 to 2035.

GREAT SOUTHERN BANCORP, INC. director, President and CEO Joseph W. Turner reported an indirect acquisition of 15 shares of common stock on 2026-07-14 at $77.706 per share through a DRIP acquisition for a children's trust, bringing that trust’s holdings to 11,410 shares. He also reports direct ownership of 136,182 common shares, additional indirect holdings through a spouse, a 401(k) plan and a family partnership, and multiple employee stock options to purchase blocks of 7,000–7,800 shares at exercise prices between $41.74 and $61.79 expiring from 2028 to 2035.

Great Southern Bancorp, Inc. director William V Turner reported a bona fide gift of 6,400 shares of common stock on 2026-07-21 at $78.71 per share. After the gift he directly owns 192,712 shares, plus 8,966 equivalent shares through a 401(k) plan, and holds multiple stock options on 7,000–7,800 shares each with exercise prices between $41.74 and $61.79 expiring from 2028 to 2035.

Great Southern Bancorp director Earl A. Steinert Jr. reported an exercise-and-sell transaction in company stock. He exercised options to acquire a total of 4,500 shares of common stock at exercise prices of $61.55, $57.98, and $60.15 per share, and sold 4,500 shares in an open-market transaction at an average price of $71.6157 per share.

Following these transactions, he directly owns 939,596 shares of common stock. He also retains stock options linked to 5,500 underlying shares with exercise prices of $53.22, $57.29, and $61.79 per share, expiring between 2033 and 2035.

GREAT SOUTHERN BANCORP, INC. director Debra Mallonee Hart reported a small change in her holdings through a DRIP acquisition that is exempt from Section 16 reporting and is being reported voluntarily. On this Form 4, a transaction coded J shows 13 shares of common stock at $67.2797 per share on April 14, 2026, bringing her direct common stock ownership to 2,013 shares.

The filing also details multiple outstanding employee stock options on common stock held directly, with exercise prices between $41.7400 and $61.7900 and expiration dates ranging from 2027 to 2035. Each grant covers either 2,000 or 5,000 underlying shares, and the footnotes outline multi-year vesting schedules for these awards.

Great Southern Bancorp director William V. Turner exercised options and sold shares of common stock. On May 18, 2026, he exercised options to acquire 6,000 shares at $52.20 per share and then sold 6,000 shares in an open-market transaction at an average price of $68.3506 per share. After these transactions, he directly held 199,112 shares of common stock and also had indirect exposure to approximately 8,980 shares through the company’s 401(k) plan stock fund. Turner retained multiple outstanding option grants on Great Southern Bancorp common stock with exercise prices ranging from $41.74 to $61.79 and expiration dates between 2028 and 2035, indicating a continuing equity position beyond this exercise-and-sale.

GREAT SOUTHERN BANCORP, INC. director Thomas J. Carlson reported updated holdings of company stock and options. He now holds 100 shares of common stock directly and 17,315 shares indirectly through his spouse.

The filing also lists several outstanding options to purchase 2,000 shares of common stock each, with exercise prices such as $52.20, $55.00, $60.15 and expirations ranging from 2027 to 2035. In addition, a dividend reinvestment plan acquisition of 109 shares at $67.5742 per share, held indirectly by his spouse, is reported voluntarily as an "other" transaction exempt from Section 16 reporting.

GREAT SOUTHERN BANCORP, INC. director Steven D. Edwards reported a small change in his holdings. On April 14, 2026, an "other" transaction code J recorded a DRIP acquisition of 26 shares of common stock at $67.97 per share, bringing his directly held common stock to 4,108 shares. The filing notes this dividend reinvestment plan acquisition is exempt from Section 16 reporting and is being reported voluntarily.

Edwards also reports four outstanding option awards, each covering 2,000 underlying common shares, with exercise prices of $53.22, $57.29, $61.55, and $61.79 per share and expiration dates ranging from November 16, 2032 to November 19, 2035. Footnotes describe scheduled vesting of 500 shares per year for each grant across future November dates.

Great Southern Bancorp director Douglas M. Pitt reported updates to his holdings in company stock and stock options. The filing shows an "other" transaction of 54 shares of common stock at $67.2797 per share through a DRIP acquisition that is exempt from Section 16 reporting but being reported voluntarily. After this, he directly holds 11,593 common shares.

The filing also lists nine outstanding option awards, each covering 2,000 shares of common stock with exercise prices between $41.7400 and $61.7900 and expirations from 2027 to 2035. These option entries are reported as holdings, not new exercises or sales, and vest in 500-share annual installments according to the disclosed schedules.

GREAT SOUTHERN BANCORP, INC. director Julie A. Brown filed an update of her holdings rather than a traditional buy or sell. She now indirectly holds 369,738 shares of common stock through an LTD family partnership and directly holds 32,896 shares. Indirect children’s accounts hold 7,860 shares after a 50-share DRIP-related restructuring reported under code J at $67.5592 per share. Brown also reports multiple outstanding stock options covering several blocks of 2,000 underlying shares each, with exercise prices generally in the $41–$62 range and expirations stretching from 2027 through 2035.

Great Southern Bancorp, Inc. subsidiary vice president Kevin L. Baker reported an option exercise paired with a sale of common stock. Baker exercised options to acquire 2,800 shares of common stock at $52.20 per share and sold 2,800 shares in an open-market transaction at $69.9601 per share on the same date.

After these transactions, he holds 14 shares of common stock directly and approximately 9,768 equivalent shares indirectly through the company’s 401(k) plan. He also retains multiple option grants on common stock, including 4,800 underlying shares at an exercise price of $57.29 per share expiring on November 19, 2035.

GREAT SOUTHERN BANCORP, INC. vice president of a subsidiary Mark A. Maples reported option exercises and a related stock sale. On May 1, 2026, he exercised options to acquire a total of 2,387 shares of common stock at exercise prices of $61.55 and $57.98 per share, then completed an open-market sale of 2,387 shares at $68.955 per share. Following these transactions, his directly held common stock balance was 0 shares, while he continued to hold stock options covering 13,200 underlying shares of common stock at exercise prices between $53.22 and $61.79, with expirations from 2033 to 2035. Footnotes show these remaining options vest in annual installments between 2025 and 2030.

GREAT SOUTHERN BANCORP, INC. treasurer Rex A. Copeland reported option exercises and related stock sales. On April 30 and May 1, he exercised options for a total of 4,200 common shares at $52.20 per share and sold 2,950 shares in open-market transactions at prices of $68.25 and $68.77 per share.

After these transactions, he directly holds 25,921 common shares. He also continues to hold multiple “option to purchase” awards covering a total of 22,450 underlying common shares with exercise prices between $41.74 and $61.55 and expiration dates ranging from 2028 to 2032, according to the remaining derivative positions disclosed.

GREAT SOUTHERN BANCORP, INC. President and CEO Joseph W. Turner reported an exercise-and-sell transaction in company stock. On April 30, 2026, he exercised options to acquire 6,000 shares of common stock at $52.20 per share and sold 6,000 shares of common stock in an open-market transaction at an average price of $68.1603 per share. Following these trades, he directly holds 136,182 common shares. Indirect holdings include 369,738 shares through a LTD family partnership, 18,563 shares via a 401(k) plan and 2,478 shares attributed to his spouse, plus 11,395 shares held in a children's trust. He also retains multiple option awards to purchase common stock with exercise prices such as $57.29, $61.79 and $41.74, expiring between 2028 and 2035.

Great Southern Bancorp, Inc. executive John M. Bugh reported an option exercise and share sale in company stock. On April 20, 2026, he exercised options to acquire 2,500 shares of common stock at $41.30 per share and sold 2,500 shares at $67.59 in an open‑market transaction.

After these transactions, Bugh directly holds 1,790 shares of common stock and retains indirect exposure through approximately 4,806 equivalent shares in the company’s 401(k) plan. He also continues to hold multiple stock option awards covering a total of 38,550 underlying shares with exercise prices generally between the low‑$40s and low‑$60s and expirations from 2027 through 2035.

GREAT SOUTHERN BANCORP, INC. President and CEO Joseph W. Turner, also a 10% owner, reported a bona fide gift of 1,200 shares of common stock on February 23, 2026. The shares are shown at a reference price of $61.82 per share and are classified as a disposition by gift.

After this transaction, Turner directly holds 136,182 shares of common stock. He also reports indirect ownership of 2,478 shares through his spouse, 11,378 shares in a children’s trust, 18,335 shares in a 401(k) plan, and 369,738 shares through an LTD family partnership. In addition, he holds various options to purchase company stock that vest in scheduled installments from 2019 through 2030.

GREAT SOUTHERN BANCORP, INC. director Kevin R. Ausburn reported exercising stock options to acquire additional common shares. On February 23, 2026, he exercised options for 5,000 shares at $51.40 per share and 2,000 shares at $52.20 per share, receiving the same number of common shares.

After these derivative exercises, Ausburn held 8,300 shares of common stock directly and retained 2,000 options to purchase shares directly. Footnotes describe a long-term vesting schedule for multiple option grants through 2030, illustrating how these awards become exercisable over time.

BROWN JULIE A reported multiple insider transaction types in a Form 4 filing for GSBC. The filing lists transactions totaling 53 shares at a weighted average price of $62.37 per share. Following the reported transactions, holdings were 7,810 shares.

Edwards Steven D reported multiple insider transaction types in a Form 4 filing for GSBC. The filing lists transactions totaling 28 shares at a weighted average price of $62.79 per share. Following the reported transactions, holdings were 4,082 shares.

Pitt Douglas M reported multiple insider transaction types in a Form 4 filing for GSBC. The filing lists transactions totaling 58 shares at a weighted average price of $62.29 per share. Following the reported transactions, holdings were 11,539 shares.

Hart Debra Mallonee reported multiple insider transaction types in a Form 4 filing for GSBC. The filing lists transactions totaling 13 shares at a weighted average price of $62.29 per share. Following the reported transactions, holdings were 2,000 shares.

Great Southern Bancorp, Inc. insider activity: Treasurer and Senior Vice President of a subsidiary Rex A. Copeland reported same-day option exercise and share sale in Great Southern Bancorp, Inc. common stock. On 02/06/2026, he exercised an option to buy 1,797 shares at $41.30 per share and acquired the same number of common shares.

That day, he sold 1,797 shares of common stock at an average price of $63.6717 per share, leaving him with 24,671 shares owned directly. He also continues to hold multiple option awards on Great Southern Bancorp common stock, including several 4,200-share grants expiring between 2027 and 2029, and later grants through 2032 with exercise prices ranging from $41.74 to $61.55.

Great Southern Bancorp director Earl A. Steinert Jr. reported routine equity transactions. On 02/04/2026, he exercised options for 1,000 common shares at $41.74 and 500 common shares at $53.22, then sold 1,500 common shares at $63.4935.

After these trades, he directly owned 939,596 common shares and held multiple “option to purchase” awards covering an aggregate of 11,500 common shares with exercise prices between $41.74 and $61.79, vesting in annual 500‑share installments through 2030.

Great Southern Bancorp, Inc. director Thomas J. Carlson reported an indirect sale of company stock. On February 3, 2026, 680 shares of common stock were sold at $63.17 per share, held indirectly through his spouse, leaving 17,206 indirectly owned shares.

Separately, he holds 100 common shares directly. The filing also lists a series of stock options to purchase a total of 18,000 shares at exercise prices between $41.74 and $61.79, with vesting schedules running from 2019 through 2030.

Great Southern Bancorp director Thomas J. Carlson reported several equity moves. On January 28, 2026, he exercised an option for 2,000 shares of common stock at $41.30 per share and sold 2,000 shares at $59.89 per share, leaving 100 common shares held directly.

On January 13, 2026, a dividend reinvestment plan purchase added 122 common shares at $62.5807 per share, held indirectly through his spouse, bringing that indirect holding to 17,886 shares. The filing also lists multiple option grants covering 2,000 shares each with vesting schedules extending through 2030.

Great Southern Bancorp director William V. Turner reported an option exercise and stock sale on January 28, 2026. He exercised options for 6,000 shares of common stock at $41.30 per share and then sold 6,000 shares at an average price of $59.6979 per share.

After these transactions, Turner directly owned 199,112 shares of Great Southern Bancorp common stock and also held an indirect interest in approximately 8,897 shares through the company’s 401(k) plan. The filing also lists multiple remaining option awards with various exercise prices and future vesting schedules.

Great Southern Bancorp President/CEO Joseph W. Turner, also a director and 10% owner, reported several equity transactions. On January 26, 2026, he exercised options for 6,000 shares of common stock at $41.30 per share and on the same day sold 6,000 shares at $60.7378 per share, leaving 137,382 shares held directly.

The filing also shows an 18‑share dividend reinvestment purchase on January 13, 2026 for a children's trust at $62.785 per share, plus indirect holdings of common stock through a spouse, a 401(k) plan, and an LTD family partnership, as well as multiple unexercised stock option grants vesting through future years.

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) director Julie A. Brown reported updated holdings in a Form 4 filing. On 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) director filed a Form 4 reporting small equity transactions. On 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) director reported small common stock and option changes. On 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) director Douglas M. Pitt reported a small increase in his holdings and detailed his stock options. On 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) director Thomas J. Carlson reported equity transactions in a Form 4. On 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) reported a Form 4 for a vice president of a subsidiary detailing new stock option grants. On 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) reported an insider equity update for a vice president of a subsidiary. The reporting person beneficially owns 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.

Great Southern Bancorp, Inc. (GSBC) director reported updated ownership and new equity awards. The Form 4 shows beneficial ownership of 199,112 shares of common stock held directly and 8,790 shares held indirectly through a 401(k) plan.

The reporting person received several stock option grants on 11/19/2025, each covering 1,950 shares of common stock at an exercise price of $57.29. These options become exercisable on different future dates between 11/19/2027 and 11/19/2030 and expire on 11/19/2035, creating a staggered vesting schedule.

Table II also lists previously granted options with exercise prices ranging from $41.30 to $61.79, with various future vesting dates, for a total of 72,450 option shares beneficially owned directly after the reported transactions.

Great Southern Bancorp, Inc. (GSBC) reported an insider equity grant for director Amelia A. Counts. On 11/19/2025, she received four derivative awards in the form of options to purchase common stock, each for 500 shares at an exercise price of $57.29 per share. These options become exercisable on 11/19/2027, 11/19/2028, 11/19/2029, and 11/19/2030, and each series expires on 11/19/2035. The filing notes that 500 shares vest on each of 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029, totaling 2,000 underlying shares. After these transactions, Counts beneficially owns 4,000 option-based derivative securities on GSBC common stock held directly.

Great Southern Bancorp, Inc. (GSBC) director Earl A. Steinert Jr. reported new stock option grants and updated equity holdings. On 11/19/2025, he received four option grants to purchase a total of 2,000 shares of common stock at an exercise price of $57.29 per share, with 500 options scheduled to vest in each of 2027, 2028, 2029 and 2030 and expiring in 2035. After these transactions, he directly beneficially owns 939,596 shares of GSBC common stock and holds derivative securities representing options on 13,000 shares across multiple grants with exercise prices ranging from $41.74 to $61.79 and expirations between 2029 and 2035.

Great Southern Bancorp, Inc. (GSBC) reported an insider equity update for a director as of 11/19/2025. The filing shows the director beneficially owns 1,300 shares of common stock in direct form. On the same date, the director received a new grant of stock options to purchase GSBC common stock at an exercise price of $57.29, issued in four tranches of 500 options each, first exercisable on 11/19/2027, 11/19/2028, 11/19/2029, and 11/19/2030, all expiring on 11/19/2035. After these grants, the director directly holds a total of 23,000 stock options across multiple historical awards with different exercise prices and vesting schedules.

Great Southern Bancorp (GSBC) insider activity: a company subsidiary vice president reported an option exercise and matching sale on 11/10/2025.

The reporting person exercised 1,750 shares at $50.71 per share (code M) and sold 1,750 shares at a weighted average price of $57.7194 (code S). Following these transactions, 1,790 shares of common stock were beneficially owned directly.

Derivative positions disclosed include multiple outstanding stock options with exercise prices ranging from $41.3 to $61.79 and expirations from 10/24/2026 to 11/20/2034, after one option for 1,750 shares at $50.71 was fully exercised.