Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 6 years
- Director since
- 2023
6 years of board service in total across 2 boards, counting each seat separately. Longest: Otter Tail Corporation, 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Northwest Natural Holding Company May 22, 202598.7%
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Otter Tail Corporation April 8, 202497.7%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Nov 6, 2026 | Northwest Natural Holding Company | Discretionary transaction | +498 | $51.75 | $25,749 |
| Aug 6, 2026 | Northwest Natural Holding Company | Discretionary transaction | +507 | $50.77 | $25,741 |
| May 7, 2026 | Northwest Natural Holding Company | Discretionary transaction | +513 | $50.19 | $25,740 |
| Apr 13, 2026 | Otter Tail Corporation | Grant or award | +1,500 | — | — |
| Mar 2, 2026 | Northwest Natural Holding Company | Discretionary transaction | +491 | $52.59 | $25,833 |
| Nov 6, 2025 | Northwest Natural Holding Company | Discretionary transaction | +554 | $46.59 | $25,807 |
| Aug 6, 2025 | Northwest Natural Holding Company | Discretionary transaction | +648 | $39.72 | $25,744 |
| May 7, 2025 | Northwest Natural Holding Company | Discretionary transaction | +586 | $43.95 | $25,741 |
| Apr 13, 2025 | Otter Tail Corporation | Grant or award | +1,700 | — | — |
| Mar 3, 2025 | Northwest Natural Holding Company | Discretionary transaction | +610 | $42.37 | $25,833 |
| Nov 20, 2024 | Northwest Natural Holding Company | Discretionary transaction | +861 | $42.12 | $36,282 |
| Apr 8, 2024 | Otter Tail Corporation | Grant or award | +1,700 | — | — |
| Apr 17, 2023 | Otter Tail Corporation | Grant or award | +1,900 | — | — |
Questions about Mary E. Ludford
What boards is Mary E. Ludford on?
Mary E. Ludford sits on the boards of Northwest Natural Holding Company and Otter Tail Corporation.
How long has Mary E. Ludford served on boards?
Our records show at least 6 years of board service across 2 boards, the earliest from 2023.
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