# EDGAR Filing Document

**Accession Number:** 0001135396
**File Stem:** 0001214659-23-002998
**Filing Date:** 2023-2
**Character Count:** 7339
**Document Hash:** 439b798e96c26d1df25aaeb05733beb2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001214659-23-002998.hdr.sgml**: 20230224

**ACCESSION NUMBER**: 0001214659-23-002998

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230119

**FILED AS OF DATE**: 20230224

**DATE AS OF CHANGE**: 20230224

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** CARLSON THOMAS J
- **CENTRAL INDEX KEY:** 0001135396
- **STANDARD INDUSTRIAL CLASSIFICATION:** SAVINGS INSTITUTIONS, NOT FEDERALLY CHARTERED [6036]
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-18082
- **FILM NUMBER:** 23666303

**MAIL ADDRESS:**
- **STREET 1:** 1414 N. BENTON AVE
- **CITY:** SPRINGFIELD
- **STATE:** MO
- **ZIP:** 65802
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GREAT SOUTHERN BANCORP, INC.
- **CENTRAL INDEX KEY:** 0000854560
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **IRS NUMBER:** 431524856
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1451 E BATTLEFIELD
- **CITY:** SPRINGFIELD
- **STATE:** MO
- **ZIP:** 65804
- **BUSINESS PHONE:** 417-887-4400

**MAIL ADDRESS:**
- **STREET 1:** P O BOX 9009
- **CITY:** SPRINGFIELD
- **STATE:** MO
- **ZIP:** 65808-9009

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GREAT SOUTHERN BANCORP INC
- **DATE OF NAME CHANGE:** 19920703

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>CARLSON THOMAS J<br><sub>(Last) (First) (Middle)</sub><br>1414 N. BENTON AVE<br><sub>(Street)</sub><br>SPRINGFIELD, MO 65802<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-01-19 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>GREAT SOUTHERN BANCORP, INC. [ GSBC ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common stock |  |  |  |  |  |  |  | 100 | D |  |
| Common stock | 2023-01-19 |  | J<sup>(1)</sup> | V | 114 | A | $57.5316 | 16404 | I | Spouse |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Option to purchase | $32.59 |  |  |  |  |  |  | <sup>(2)</sup> | 2024-10-15 | Common stock | 5000 |  | 5000 | D |  |
| Option to purchase | $41.3 |  |  |  |  |  |  | <sup>(3)</sup> | 2026-10-24 | Common Stock | 2000 |  | 7000 | D |  |
| Option to purchase | $52.2 |  |  |  |  |  |  | <sup>(4)</sup> | 2027-11-15 | Common Stock | 2000 |  | 9000 | D |  |
| Option to purchase | $55 |  |  |  |  |  |  | <sup>(5)</sup> | 2028-11-28 | Common stock | 2000 |  | 11000 | D |  |
| Option to purchase | $60.15 |  |  |  |  |  |  | <sup>(6)</sup> | 2029-11-20 | Common stock | 2000 |  | 13000 | D |  |
| Option to purchase | $41.74 |  |  |  |  |  |  | <sup>(7)</sup> | 2030-10-26 | Common stock | 2000 |  | 15000 | D |  |
| Option to purchase | $57.98 |  |  |  |  |  |  | <sup>(8)</sup> | 2031-11-17 | Common stock | 2000 |  | 17000 | D |  |
| Option to purchase | $61.55 |  |  |  |  |  |  | <sup>(9)</sup> | 2032-11-16 | Common stock | 2000 |  | 19000 | D |  |

---

### Footnotes:

(1) DRIP acquisition exempt from Section 16 reporting being reported voluntarily.

(2) 1,250 shares vest on 10/15/2016, 10/15/2017, 10/15/2018 and 10/15/2019

(3) 500 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021

(4) 500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022

(5) 500 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023

(6) 500 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024

(7) 500 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025

(8) 500 shares vest on 11/17/2023, 11/17/2024, 11/17/2025 and 11/17/2026

(9) 500 shares vest on 11/16/2024, 11/16/2025, 11/16/2026 and 11/16/2027

**Signature:** Matt Snyder, Attorney-in-fact for Thomas J. Carlson  
**Date:** 2023-02-24

### Remarks:

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.**