Hart Debra Mallonee (CIK 1700534) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-20). Recent activity: Buy GSBC (13 shares), Buy GSBC (13 shares), Buy GSBC (15 shares), Buy GSBC (13 shares), Buy GSBC (15 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-20 | GREAT SOUTHERN BANCORP, INC. (GSBC) | Director | Buy | 13 | $875 |
| 2026-02-17 | GREAT SOUTHERN BANCORP, INC. (GSBC) | Director | Buy | 13 | $810 |
| 2025-11-20 | GREAT SOUTHERN BANCORP, INC. (GSBC) | Director | Buy | 15 | $900 |
| 2025-08-13 | GREAT SOUTHERN BANCORP, INC. (GSBC) | Director | Buy | 13 | $789 |
| 2025-05-19 | GREAT SOUTHERN BANCORP, INC. (GSBC) | Director | Buy | 15 | $748 |
| 2025-03-04 | GREAT SOUTHERN BANCORP, INC. (GSBC) | Director | Buy | 13 | $750 |
Source: SEC Form 4 filings · as of 2026-05-20