GREAT SOUTHERN BANCORP, INC. (GSBC) has 274 open-market insider trades by 21 insiders since 2006. Over the last six months insiders net sold $1.9M. The most active filer is Steven G. Mitchem.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| William V. Turner | Dir | — | 28 | $9.0M | 2026-07-21 |
| Joseph W. Turner | CEOPres10% Owner | — | 15 | $4.4M | 2026-04-30 |
| Steven G. Mitchem | — | — | 43 | $3.1M | 2017-07-14 |
| Rex A. Copeland | Treasurer | — | 18 | $2.6M | 2026-05-01 |
| Douglas W. Marrs | Secretary | — | 33 | $2.4M | 2021-05-10 |
| Linton J. Thomason | — | — | 19 | $2.3M | 2021-10-12 |
| Earl A. Steinert Jr. | Dir | — | 7 | $1.9M | 2026-05-26 |
| John M. Bugh | — | — | 10 | $1.5M | 2026-04-20 |
| Larry D. Frazier | Dir | — | 4 | $961K | 2020-04-24 |
| Kevin L. Baker | — | — | 5 | $921K | 2026-05-06 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Julie A. Brown | Director | Sell | $69K | 2026-08-17 |
| Earl A. Steinert Jr. | Director | Sell | $322K | 2026-05-26 |
| William V. Turner | Director | Sell | $410K | 2026-05-18 |
| Kevin L. Baker | — | Sell | $196K | 2026-05-06 |
| Mark A. Maples | — | Sell | $165K | 2026-05-01 |
| Joseph W. Turner | CEO & President +1 | Sell | $409K | 2026-04-30 |
Companies that share insiders with GSBC, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Rex A. Copeland | Treasurer | Sell | $202K | 2026-04-30 |
| John M. Bugh | — | Sell | $169K | 2026-04-20 |
| Rex A. Copeland | Treasurer | Sell | $114K | 2026-02-06 |
| Earl A. Steinert Jr. | Director | Sell | $95K | 2026-02-04 |
| Thomas J. Carlson | Director | Sell | $43K | 2026-02-03 |
| William V. Turner | Director | Sell | $358K | 2026-01-28 |
| Thomas J. Carlson | Director | Sell | $120K | 2026-01-28 |
| Joseph W. Turner | President & 10% | Sell | $364K | 2026-01-26 |
| Mark A. Maples | — | Sell | $174K | 2025-11-25 |