Northwest Natural (NWN) Director David H. Anderson Sells 1,500 Shares

What Happened
David H. Anderson, a director of Northwest Natural Holding Co. (NWN), sold 1,500 shares of NWN common stock in an open-market transaction on September 18, 2026. The shares were disposed for total proceeds of $72,039, at a weighted-average price of $48.0259 per share (trade prices ranged $47.9550–$48.2100). The sale was made pursuant to a Rule 10b5‑1 trading plan.

Key Details

• Transaction date: 2026-09-18 (filed on 2026-09-21; filing appears timely).
• Shares sold: 1,500; price range $47.9550–$48.2100; weighted avg $48.0259; proceeds $72,039.
• Shares owned after transaction: Not specified in the filing.
• Footnotes of note: (F1) Sale executed under a 10b5‑1 plan established March 27, 2026; Mr. Anderson retired as CEO effective April 1, 2025 and had held well above the then-$450,000 director ownership requirement when the plan was set up. (F2) Transaction executed in multiple trades; issuer can provide per-trade breakdown on request. (F3) Shares were credited to the reporting person’s account under Northwest Natural Gas Company’s Deferred Compensation Plan for Directors and Executives.

Context
This was a routine sale under a pre-established 10b5‑1 plan to diversify holdings in connection with retirement, rather than an ad hoc insider sale. Such plan-driven dispositions are common and do not by themselves indicate a change in insider sentiment about the company.