Sievert Stephanie A (CIK 1718179) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-19). Recent activity: Buy MDU (4,544 shares), Sell MDU (10,438 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-19 | MDU RESOURCES GROUP INC (MDU) | ChiefAccntg&RegAffairsOfficer | Buy | 4,544 | $0 |
| 2026-02-19 | MDU RESOURCES GROUP INC (MDU) | ChiefAccntg&RegAffairsOfficer | Sell | 10,438 | $212,518 |
Source: SEC Form 4 filings · as of 2026-02-19