Director Debra Mallonee Hart filed a Form 4 with the SEC on August 18, 2026, disclosing a voluntary report of a dividend reinvestment plan acquisition of Great Southern Bancorp, Inc. common stock on July 14, 2026, traded on NASDAQ:GSBC.

Key Highlights

  • Transaction date: The reported acquisition occurred on July 14, 2026.
  • Shares acquired: 11 shares of common stock were acquired at a price of $78.0111 per share via transaction code J.
  • Voluntary disclosure: According to the filing, the acquisition was a DRIP (dividend reinvestment plan) acquisition "exempt from Section 16 reporting being reported voluntarily."
  • Resulting ownership: Following the transaction, Hart directly beneficially owned 2,024 shares of common stock.
  • Options held: The filing lists 10 options to purchase common stock totaling 23,000 shares underlying derivative securities, all held directly.
  • Filing signed: The form was signed by Matt Snyder, by Power of Attorney from Debra Mallonee Hart, on August 18, 2026.

Debra Mallonee Hart's DRIP Acquisition and Beneficial Ownership at Great Southern Bancorp

According to the filing, Debra Mallonee Hart, a director of Great Southern Bancorp, Inc. (NASDAQ:GSBC), reported the acquisition of 11 shares of common stock on July 14, 2026, at a price of $78.0111 per share. The transaction was coded "J" and classified as an acquisition (A). The filing states this was a DRIP acquisition exempt from Section 16 reporting but reported voluntarily. Following the transaction, Hart's direct beneficial ownership in common stock stood at 2,024 shares.

In Table II of the filing, Hart's derivative securities holdings are listed across 10 separate options to purchase common stock, with exercise prices ranging from $41.74 to $61.79 per share and expiration dates spanning from March 15, 2027 through November 19, 2035. The cumulative number of derivative securities beneficially owned following reported transactions totals 23,000 shares underlying these options, all held directly. Each option grant covers 2,000 shares, with the exception of the earliest grant at $51.40, which covers 5,000 shares. All options vest in equal annual installments over four years, as detailed in the filing's explanation of responses.

The form was filed on August 18, 2026, and signed by Matt Snyder under a Power of Attorney from Debra Mallonee Hart. Hart's address is listed as care of Great Southern Bank, 218 South Glenstone Avenue, Springfield, Missouri 65802.

What Was Disclosed

The filing disclosed a voluntary report of a DRIP acquisition of 11 shares of Great Southern Bancorp common stock by director Debra Mallonee Hart on July 14, 2026, at $78.0111 per share, resulting in direct ownership of 2,024 shares, along with existing options to purchase up to 23,000 additional shares.