Ludford Mary E (CIK 1959466) reported 8 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-11). Recent activity: Buy NWN (513 shares), Buy OTTR (1,500 shares), Buy NWN (491 shares), Buy NWN (554 shares), Buy NWN (648 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-11 | Northwest Natural Holding Co (NWN) | Director | Buy | 513 | $25,740 |
| 2026-04-14 | Otter Tail Corp (OTTR) | Director | Buy | 1,500 | $0 |
| 2026-03-04 | Northwest Natural Holding Co (NWN) | Director | Buy | 491 | $25,833 |
| 2025-11-10 | Northwest Natural Holding Co (NWN) | Director | Buy | 554 | $25,807 |
| 2025-08-07 | Northwest Natural Holding Co (NWN) | Director | Buy | 648 | $25,744 |
| 2025-05-09 | Northwest Natural Holding Co (NWN) | Director | Buy | 586 | $25,741 |
| 2025-04-14 | Otter Tail Corp (OTTR) | Director | Buy | 1,700 | $0 |
| 2025-03-04 | Northwest Natural Holding Co (NWN) | Director | Buy | 610 | $25,833 |
Source: SEC Form 4 filings · as of 2026-05-11