Mark A. Maples files SEC Form 4 disclosures for GREAT SOUTHERN BANCORP, INC.. They have made 9 open-market trades across 1 company since 2021, most recently 2026-05-01.
CIK 0001868939
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 9 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| GSBC | 2,387 | $187K |
Shares reported on the most recent Form 4, priced at the 2026-05-04 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| GSBC | SELL | 2026-05-01 | 2026-05-04 | $68.96 | $165K | -1.0% | +2.9% | +17.8% |
| GSBC | SELL | 2025-11-25 | 2025-12-01 | $59.93 | $174K | +6.6% | +1.0% | +3.0% |
| GSBC | SELL | 2024-11-27 | 2024-12-02 | $63.42 | $165K | +3.0% | -8.7% | -7.9% |
| GSBC | SELL | 2024-11-06 | 2024-11-08 | $67.19 | $279K | -4.7% | +0.1% | -6.4% |
| GSBC | SELL | 2024-07-22 | 2024-07-22 | $61.51 | $15K | -4.2% | -8.4% | -10.1% |
| GSBC | SELL | 2022-11-25 | 2022-11-28 | $62.23 | $25K | -0.8% | -2.7% | -4.9% |
| GSBC | SELL | 2022-10-31 | 2022-10-31 | $62.26 | $16K | +0.8% | +1.1% | -8.1% |
| GSBC | SELL | 2022-02-08 | 2022-02-09 | $61.23 | $38K | +1.5% | -1.0% | -3.2% |
| GSBC | SELL | 2021-11-05 | 2021-11-05 | $57.64 | $11K | -1.4% | -1.5% | +1.2% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.