STOCK TITAN
  1. Home
  2. Sec-filings
  3. GSBC
  4. [Form 4] GREAT SOUTHERN BANCORP, INC. Insider Trading Activity

GSBC director exercises options, sells 2,000 shares

Great Southern Bancorp director Thomas J. Carlson reported several equity moves.

Filing Impact
(Moderate)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

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.

Positive

  • None.

Negative

  • None.
Insider CARLSON THOMAS J
Role Director
Sold 2,000 shs ($120K)
Approx. gross sale proceeds $120K
Approx. exercise cost $83K
Approx. pre-tax spread $37K
Type Security Shares Price Value
Exercise Option to purchase 2,000 $41.30 $83K
Exercise Common stock 2,000 $41.30 $83K
Sale Common stock 2,000 $59.89 $120K
Other Common stock 122 $62.5807 $8K
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: Option to purchase — 18,000 contracts (Direct); Common stock — 100 shares (Direct); Common stock — 17,886 shares (Indirect, Spouse)
Footnotes (11)
  1. F1. DRIP acquisition exempt from Section 16 reporting being reported voluntarily
  2. F2. 500 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021
  3. F3. 500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
  4. F4. 500 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
  5. F5. 500 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
  6. F6. 500 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025
  7. F7. 500 shares vest on 11/17/2023, 11/17/2024, 11/17/2025 and 11/17/2026
  8. F8. 500 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027
  9. F9. 500 shares vest on 11/15/2025, 11/15/2026, 11/15/2027 and 11/15/2028
  10. F10. 500 shares vest on 11/20/2026, 11/20/2027, 11/20/2028 and 11/20/2029
  11. F11. 500 shares vest on 11/19/2027, 11/19/2028, 11/19/2029 and 11/19/2030

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider activity did GSBC director Thomas J. Carlson report?
Thomas J. Carlson reported exercising options for 2,000 Great Southern Bancorp shares at $41.30 and selling 2,000 shares at $59.89. He also reported a 122-share dividend reinvestment plan purchase held indirectly through his spouse, plus multiple outstanding option grants with future vesting dates.

How many GSBC shares does Thomas J. Carlson now hold directly and indirectly?
After the reported trades, Carlson holds 100 Great Southern Bancorp common shares directly. He also reports 17,886 common shares held indirectly through his spouse via a dividend reinvestment plan, in addition to several option grants covering 2,000 shares each with staggered vesting schedules.

At what prices did the GSBC director exercise and sell shares?
Carlson exercised 2,000 options at $41.30 per share and sold 2,000 Great Southern Bancorp common shares at $59.89 per share on January 28, 2026. Separately, 122 shares were acquired through a dividend reinvestment plan at an average price of $62.5807 per share.

What is the nature of the indirect GSBC share ownership reported?
The filing shows 17,886 Great Southern Bancorp common shares held indirectly through Carlson’s spouse. These include a 122-share dividend reinvestment plan purchase on January 13, 2026, at $62.5807 per share, classified as indirect ownership with the nature of ownership specified as “Spouse.”

What stock options for GSBC does Thomas J. Carlson hold after these transactions?
Following the option exercise, one 2,000‑share option at a $41.30 exercise price shows zero remaining. The filing lists multiple other options, each for 2,000 Great Southern Bancorp shares, with exercise prices from $41.74 to $61.79 and vesting tranches through dates between 2024 and 2030.

What do the vesting footnotes in the GSBC Form 4 indicate?
The footnotes explain that each 2,000‑share option grant typically vests in four equal 500‑share installments. Vesting dates range from October 24, 2018 through November 19, 2030, clarifying when portions of each Great Southern Bancorp option become exercisable under the company’s equity compensation arrangements.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →
See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
SEC Form 4
FORM 4 UNITED 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*
CARLSON THOMAS J
(Last) (First) (Middle)
CARE OF GREAT SOUTHERN BANK
218 S. GLENSTONE AVE
(Street)
SPRINGFIELD MO 65802
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
GREAT SOUTHERN BANCORP, INC. [ GSBC ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
01/13/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Common stock 01/28/2026 M 2,000 A $41.3 2,100 D
Common stock 01/28/2026 S 2,000 D $59.89 100 D
Common stock 01/13/2026 J(1) V 122 A $62.5807 17,886 I Spouse
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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option to purchase $41.3 01/28/2026 M 2,000 (2) 10/24/2026 Common Stock 2,000 $41.3 0 D
Option to purchase $52.2 (3) 11/15/2027 Common Stock 2,000 2,000 D
Option to purchase $55 (4) 11/28/2028 Common stock 2,000 4,000 D
Option to purchase $60.15 (5) 11/20/2029 Common stock 2,000 6,000 D
Option to purchase $41.74 (6) 10/26/2030 Common stock 2,000 8,000 D
Option to purchase $57.98 (7) 11/17/2031 Common stock 2,000 10,000 D
Option to purchase $61.55 (8) 11/16/2032 Common stock 2,000 12,000 D
Option to purchase $53.22 (9) 11/15/2033 Common stock 2,000 14,000 D
Option to purchase $61.79 (10) 11/20/2034 Common stock 2,000 16,000 D
Option to purchase $57.29 (11) 11/19/2035 Common stock 2,000 18,000 D
Explanation of Responses:
1. DRIP acquisition exempt from Section 16 reporting being reported voluntarily
2. 500 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021
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 Thomas J. Carlson 01/29/2026
** Signature of Reporting Person Date
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.

Source: View Original Filing on SEC EDGAR

Keep reading

More on GSBC

Trending in the feed

Open the live feed