Liepitz Karl A (CIK 1840120) reported 4 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), Buy KNF (2,770 shares), Sell KNF (7,083 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 |
| 2025-03-03 | Knife River Corp (KNF) | VP, Chief Legal Officer & Sec. | Buy | 2,770 | $0 |
| 2025-03-03 | Knife River Corp (KNF) | VP, Chief Legal Officer & Sec. | Sell | 7,083 | $670,973 |
Source: SEC Form 4 filings · as of 2026-03-05