Mark A. Maples

CIK: 0001868939

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (17.4%)

Position reduction

Option Exercises (M)11 (47.8%)

Derivative conversions

Awards (A)8 (34.8%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

GSBC

GREAT SOUTHERN BANCORP, INC.

Discretionary Trading P&L

Holdings

Transaction History (23 total)

GSBC
GREAT SOUTHERN BANCORP, INC.
May 1, 2026
Exercise(M)
Direct
1.2K shares at avg. $57.98$69K
GSBC
GREAT SOUTHERN BANCORP, INC.
May 1, 2026
Exercise(M)
Direct
1.2K shares at avg. $61.55$74K
GSBC
GREAT SOUTHERN BANCORP, INC.
May 1, 2026
Sale(S)
Direct
2.4K shares at avg. $68.95$165K
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 25, 2025
Exercise(M)
Direct
250 shares at avg. $41.74$10K
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 25, 2025
Exercise(M)
Direct
1.2K shares at avg. $53.22$64K
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 25, 2025
Sale(S)
Direct
1.5K shares at avg. $59.93$87K
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 19, 2025
Award(A)
Option to purchase
Direct
1.2K shares at avg. $57.29-
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 19, 2025
Award(A)
Option to purchase
Direct
1.2K shares at avg. $57.29-
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 19, 2025
Award(A)
Option to purchase
Direct
1.2K shares at avg. $57.29-
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 19, 2025
Award(A)
Option to purchase
Direct
1.2K shares at avg. $57.29-
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 27, 2024
Exercise(M)
Direct
212 shares at avg. $60.15$13K
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 27, 2024
Exercise(M)
Direct
1.2K shares at avg. $57.98$69K
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 27, 2024
Exercise(M)
Direct
1.2K shares at avg. $61.55$74K
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 27, 2024
Sale(S)
Direct
2.6K shares at avg. $63.42$165K
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 20, 2024
Award(A)
Option to purchase
Direct
1.2K shares at avg. $61.79-
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 20, 2024
Award(A)
Option to purchase
Direct
1.2K shares at avg. $61.79-
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 20, 2024
Award(A)
Option to purchase
Direct
1.2K shares at avg. $61.79-
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 20, 2024
Award(A)
Option to purchase
Direct
1.2K shares at avg. $61.79-
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 6, 2024
Exercise(M)
Direct
424 shares at avg. $55.00$23K
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 6, 2024
Sale(S)
Direct
2.1K shares at avg. $67.19$139K
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 6, 2024
Exercise(M)
Direct
1.2K shares at avg. $57.98$69K
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 6, 2024
Exercise(M)
Direct
250 shares at avg. $41.74$10K
GSBC
GREAT SOUTHERN BANCORP, INC.
Nov 6, 2024
Exercise(M)
Direct
212 shares at avg. $60.15$13K

		Type	Shares	Price		Ownership
May 1, 2026	GSBC GREAT SOUTHERN BANCORP, INC.	Exercise(M)	1,187	$57.98	$68,822	Direct
May 1, 2026	GSBC GREAT SOUTHERN BANCORP, INC.	Exercise(M)	1,200	$61.55	$73,860	Direct
May 1, 2026	GSBC GREAT SOUTHERN BANCORP, INC.	Sale(S)	2,387	$68.95	$164,596	Direct
Nov 25, 2025	GSBC GREAT SOUTHERN BANCORP, INC.	Exercise(M)	250	$41.74	$10,435	Direct
Nov 25, 2025	GSBC GREAT SOUTHERN BANCORP, INC.	Exercise(M)	1,200	$53.22	$63,864	Direct
Nov 25, 2025	GSBC GREAT SOUTHERN BANCORP, INC.	Sale(S)	1,450	$59.93	$86,899	Direct
Nov 19, 2025	GSBC GREAT SOUTHERN BANCORP, INC.	Award(A) Option to purchase	1,200	$57.29	-	Direct
Nov 19, 2025	GSBC GREAT SOUTHERN BANCORP, INC.	Award(A) Option to purchase	1,200	$57.29	-	Direct
Nov 19, 2025	GSBC GREAT SOUTHERN BANCORP, INC.	Award(A) Option to purchase	1,200	$57.29	-	Direct
Nov 19, 2025	GSBC GREAT SOUTHERN BANCORP, INC.	Award(A) Option to purchase	1,200	$57.29	-	Direct
Nov 27, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Exercise(M)	212	$60.15	$12,752	Direct
Nov 27, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Exercise(M)	1,188	$57.98	$68,880	Direct
Nov 27, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Exercise(M)	1,200	$61.55	$73,860	Direct
Nov 27, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Sale(S)	2,600	$63.42	$164,887	Direct
Nov 20, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Award(A) Option to purchase	1,200	$61.79	-	Direct
Nov 20, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Award(A) Option to purchase	1,200	$61.79	-	Direct
Nov 20, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Award(A) Option to purchase	1,200	$61.79	-	Direct
Nov 20, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Award(A) Option to purchase	1,200	$61.79	-	Direct
Nov 6, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Exercise(M)	424	$55.00	$23,320	Direct
Nov 6, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Sale(S)	2,074	$67.19	$139,346	Direct
Nov 6, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Exercise(M)	1,188	$57.98	$68,880	Direct
Nov 6, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Exercise(M)	250	$41.74	$10,435	Direct
Nov 6, 2024	GSBC GREAT SOUTHERN BANCORP, INC.	Exercise(M)	212	$60.15	$12,752	Direct

1-23 of 23 transactions

About Maples Mark A

Maples Mark A (SEC CIK 0001868939) files insider reports with the SEC as GREAT SOUTHERN BANCORP, INC. (GSBC).

Signal8 holds 6 ownership filings by Maples Mark A, all Form 4s, filed between Nov 8, 2024 and May 4, 2026. Those filings report 23 transactions, from Nov 6, 2024 to May 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Maples Mark A's filings is in SPRINGFIELD, MO.

Recent filings by Maples Mark A

May 1, 2026: Option exercises of GSBC shares (2 lines, Form 4, code M).
May 1, 2026: Open-market sale of GSBC shares (Form 4, code S).
Nov 25, 2025: Option exercises of GSBC shares (2 lines, Form 4, code M).
Nov 25, 2025: Open-market sale of GSBC shares (Form 4, code S).
Nov 19, 2025: Grants or awards of GSBC derivative securities (4 lines, Form 4, code A).

Other insiders filing for GREAT SOUTHERN BANCORP, INC. (GSBC)

BROWN JULIE A, Director
Pitt Douglas M, Director
CARLSON THOMAS J, Director
Hart Debra Mallonee, Director
Edwards Steven D, Director
TURNER JOSEPH W, President/CEO

How to read Form 4 transaction codes