Form 4 for NWN Northwest Natural Holding Co
Accepted 2026-08-18 19:44:50 ET · period of report 2026-08-18 · accession 0001733998-26-000135 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-08-18 19:44 | 2026-08-18 | NWN | ANDERSON DAVID HUGO | Dir | S - Sale | $50.86 | -1,500 | 50.8K | -3% | -$76.3K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-18 | S | D | 1,500 | $50.86 | 50,759 | D | — | — | (F1) Transaction made pursuant to a Rule 10b5-1 trading plan established by the reporting person on March 27, 2026. As previously disclosed, Mr. Anderson retired from his position as CEO of NW Holdings and NW Natural, effective April 1, 2025. At the time the 10b5-1 Plan was established, Mr. Anderson held more than 7 times the $500,000 stock ownership requirements for non-management directors. This trading arrangement allows Mr. Anderson to periodically sell a portion of his NW Holdings common stock to diversify his holdings in connection with his retirement. (F2) This transaction was executed in multiple trades on reported date with prices ranging from $50.5900 to $51.0650, resulting in a weighted average price of $50.8625. Northwest Natural Holding Company (Issuer) will provide upon request by the Commission staff or a security holder of the Issuer full information regarding the number of shares sold at each separate price. |