Kadrmas Marney L. (CIK 1979052) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-05). Recent activity: Buy KNF (1,199 shares), Sell KNF (1,232 shares), Buy KNF (709 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-05 | Knife River Corp (KNF) | VP & Chief Accounting Officer | Buy | 1,199 | $0 |
| 2026-02-17 | Knife River Corp (KNF) | VP & Chief Accounting Officer | Sell | 1,232 | $100,704 |
| 2025-03-03 | Knife River Corp (KNF) | VP & Chief Accounting Officer | Buy | 709 | $0 |
Source: SEC Form 4 filings · as of 2026-03-05