STOCK TITAN

Director at Great Southern (NASDAQ: GSBC) adds DRIP shares and holds long-dated options

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

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.

Positive

  • None.

Negative

  • None.
Insider Hart Debra Mallonee
Role null
Type Security Shares Price Value
Other Common Stock 13 $67.2797 $874.64
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
holding Option to purchase -- -- --
Holdings After Transaction: Common Stock — 2,013 shares (Direct, null); Option to purchase — 5,000 shares (Direct, null)
Footnotes (1)
  1. DRIP acquisition exempt from Section 16 reporting being reported voluntarily 1,250 shares vest on 03/15/2019, 03/15/2020, 03/15/2021 and 03/15/2022 500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022 500 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023 500 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024 500 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025 500 shares vest on 11/17/2023, 11/17/2024, 11/17/2025 and 11/17/2026 500 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027 500 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028 500 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029 500 shares vest on 11/19/2027, 11/19/2028, 11/19/2029 and 11/19/2030
DRIP transaction shares 13 shares Common Stock, coded J on April 14, 2026
DRIP transaction price $67.2797 per share Common Stock transaction coded J
Direct common shares after 2,013 shares Total common stock directly owned post-transaction
Option exercise price (low) $41.7400 Option to purchase, underlying 2,000 common shares, expires 2030-10-26
Option exercise price (high) $61.7900 Option to purchase, underlying 2,000 common shares, expires 2034-11-20
Largest option grant size 5,000 underlying shares Option to purchase at $51.4000, expires 2027-03-15
Restructuring-type transactions 1 transaction, 13 shares TransactionSummary restructuringCount and restructuringShares
DRIP acquisition financial
"DRIP acquisition exempt from Section 16 reporting being reported voluntarily"
Section 16 reporting regulatory
"DRIP acquisition exempt from Section 16 reporting being reported voluntarily"
Option to purchase financial
"security_title: Option to purchase, underlying security shares 2,000.0000"
underlying security shares financial
"underlying_security_shares: 2000.0000 for Common stock options"
Other acquisition or disposition financial
"transaction_code_description: Other acquisition or disposition"
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Hart Debra Mallonee

(Last)(First)(Middle)
CARE OF GREAT SOUTHERN BANK
218 SOUTH GLENSTONE AVENUE

(Street)
SPRINGFIELD MISSOURI 65802

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
GREAT SOUTHERN BANCORP, INC. [ GSBC ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/14/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock04/14/2026J(1)V13A$67.27972,013D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Option to purchase$51.4 (2)03/15/2027Common Stock5,0005,000D
Option to purchase$52.2 (3)11/15/2027Common Stock2,0007,000D
Option to purchase$55 (4)11/28/2028Common stock2,0009,000D
Option to purchase$60.15 (5)11/20/2029Common stock2,00011,000D
Option to purchase$41.74 (6)10/26/2030Common stock2,00013,000D
Option to purchase$57.98 (7)11/17/2031Common stock2,00015,000D
Option to purchase$61.55 (8)11/16/2032Common stock2,00017,000D
Option to purchase$53.22 (9)11/15/2033Common stock2,00019,000D
Option to purchase$61.79 (10)11/20/2034Common stock2,00021,000D
Option to purchase$57.29 (11)11/19/2035Common stock2,00023,000D
Explanation of Responses:
1. DRIP acquisition exempt from Section 16 reporting being reported voluntarily
2. 1,250 shares vest on 03/15/2019, 03/15/2020, 03/15/2021 and 03/15/2022
3. 500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
4. 500 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
5. 500 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
6. 500 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
7. 500 shares vest on 11/17/2023, 11/17/2024, 11/17/2025 and 11/17/2026
8. 500 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
9. 500 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
10. 500 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029
11. 500 shares vest on 11/19/2027, 11/19/2028, 11/19/2029 and 11/19/2030
Remarks:
Matt Snyder, by Power of Attorney from Debra Mallonee Hart05/20/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did Debra Mallonee Hart report in this GSBC Form 4?

Debra Mallonee Hart reported a small DRIP-related change in her Great Southern Bancorp holdings. She recorded a transaction coded J for 13 common shares on April 14, 2026, and listed her updated direct ownership plus details of several outstanding stock option grants.

How many Great Southern Bancorp (GSBC) shares does Debra Hart own after the transaction?

After the reported transaction, Debra Mallonee Hart directly owns 2,013 shares of Great Southern Bancorp common stock. This reflects the addition of 13 shares in a transaction coded J, with the price per share disclosed as $67.2797 in the Form 4 filing.

What is the nature of the 13-share transaction for GSBC reported by Debra Hart?

The 13-share transaction is described as a DRIP acquisition exempt from Section 16 reporting and reported voluntarily. It is coded J, categorized as “other acquisition or disposition,” and was executed at $67.2797 per share on April 14, 2026, increasing her direct holdings modestly.

What stock options does Debra Hart hold in Great Southern Bancorp (GSBC)?

Debra Mallonee Hart holds several “Option to purchase” awards on GSBC common stock, each for 2,000 or 5,000 underlying shares. Exercise prices range from $41.7400 to $61.7900, with expiration dates between 2027 and 2035, and vesting schedules detailed in the footnotes.

Does this GSBC Form 4 show any open-market buys or sells by Debra Hart?

The Form 4 does not show open-market purchases or sales. It reports one transaction coded J, categorized as “other acquisition or disposition,” related to a DRIP acquisition, plus multiple holding entries for existing stock options, rather than standard open-market trading activity.

What do the vesting footnotes indicate about Debra Hart’s GSBC option awards?

The footnotes describe scheduled vesting of 500 or 1,250 underlying shares per year over four-year periods. Specific vesting dates range from November 2019 through November 2030, indicating these option grants vest in equal annual installments across multiple future years.