Liepitz Karl A (CIK 1840120) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-05). Recent activity: Buy KNF (4,611 shares), Sell KNF (8,648 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-05 | Knife River Corp (KNF) | VP, Chief Legal Officer & Sec. | Buy | 4,611 | $0 |
| 2026-02-17 | Knife River Corp (KNF) | VP, Chief Legal Officer & Sec. | Sell | 8,648 | $706,888 |
来源：SEC Form 4 申报文件 · 截至 2026-03-05