GSBC
GREAT SOUTHERN BANCORP, INC. · Finance & Insurance · Market cap $874.4M
Insiders sold $391K net in the last 90 days ·2 sellers, 0 buyers· latest Form 4 filed Aug 20, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$3.2M
reported sales (SEC code S)
Unique Insiders
9
in the rolling window
Latest filing
Aug 20, 2026
BROWN JULIE A
GREAT SOUTHERN BANCORP, INC. (GSBC) has 40 SEC Form 4 filings (66 transaction rows) in the rolling window, disclosed by 9 distinct insiders. Most recent filing: Aug 20, 2026.
Inside the rolling window, 9 insiders at GREAT SOUTHERN BANCORP, INC. reported no open-market purchases and 17 open-market sales totaling $3.2M. The most active filer is Treasurer COPELAND REX A with 3 filings. Insiders have net sold $1.9M over the trailing 6 months. The most recent open-market filing is a sale of 851 shares by Director BROWN JULIE A, dated Aug 17, 2026, worth $69K.
- Industry:Banks - Regional
- CEO:Joseph William Turner
- Employees:882
- HQ:Springfield, MO, US
- IPO:1989-12-15
| Source | |||||||
|---|---|---|---|---|---|---|---|
BROWN JULIE AFirst filing | Director | Sale | 851 | $69K | Aug 20 | +1.9% | SEC ↗ |
STEINERT EARL A JRFirst in 4 months | Director | Sale | 4,500 | $322K | May 26 | +12.5% | SEC ↗ |
TURNER WILLIAM VFirst in 4 months | Director | Sale | 6,000 | $410K | May 19 | +17.2% | SEC ↗ |
Baker Kevin LFirst filing | Vice President of Subsidiary | Sale | 2,800 | $196K | May 6 | +14.5% | SEC ↗ |
Maples Mark AFirst in 5 months | Vice President of Subsidiary | Sale | 2,387 | $165K | May 4 | +16.8% | SEC ↗ |
| Treasurer | Sale | 2,036 | $139K | May 1 | +16.5% | SEC ↗ | |
| Treasurer | Sale | 914 | $63K | May 1 | +16.5% | SEC ↗ | |
TURNER JOSEPH WFirst in 3 months | President/CEO | Sale | 6,000 | $409K | May 1 | +16.5% | SEC ↗ |
Bugh John MFirst in 5 months | Vice President of Subsidiary | Sale | 2,500 | $169K | Apr 21 | +20.4% | SEC ↗ |
COPELAND REX AFirst filing | Treasurer | Sale | 1,797 | $114K | Feb 6 | +25.2% | SEC ↗ |
STEINERT EARL A JRFirst filing | Director | Sale | 1,500 | $95K | Feb 4 | — | SEC ↗ |
| Director | Sale | 680 | $43K | Feb 4 | — | SEC ↗ | |
CARLSON THOMAS JFirst filing | Director | Sale | 2,000 | $120K | Jan 29 | — | SEC ↗ |
TURNER WILLIAM VFirst filing | Director | Sale | 6,000 | $358K | Jan 29 | — | SEC ↗ |
TURNER JOSEPH WFirst filing | President/CEO | Sale | 6,000 | $364K | Jan 27 | — | SEC ↗ |
Maples Mark AFirst filing | Vice President of Subsidiary | Sale | 1,450 | $87K | Dec 1 | — | SEC ↗ |
Bugh John MFirst filing | Vice President of Subsidiary | Sale | 1,750 | $101K | Nov 12 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does GSBC have?
GREAT SOUTHERN BANCORP, INC. (GSBC) has 40 SEC Form 4 filings (66 transaction rows) in the rolling 365-day window, disclosed by 9 distinct insiders. Most recent filing: Aug 20, 2026.
When was the most recent SEC Form 4 filing for GSBC?
The most recent Form 4 filing for GSBC on Tracefour is dated Aug 20, 2026.
Who is the most active insider at GSBC?
The most active SEC Form 4 filer at GSBC in the rolling window is Treasurer COPELAND REX A, with 3 filings.
What is the net insider flow at GSBC over the last 6 months?
Over the trailing 180 days, insiders at GSBC have net sold $1.9M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at GSBC in the current window?
Inside the rolling window, insiders at GSBC bought $0 and sold $3.2M based on SEC Form 4 filings.
Can I get alerts for GSBC insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at GREAT SOUTHERN BANCORP, INC. (GSBC). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
GREAT SOUTHERN BANCORP, INC. is in the Finance & Insurance sector.