🕵️ Northwest Natural Holding Co ($NWN)
SEC insider & ownership activity, last 12 months · CIK 1733998 · every row links its SEC filing
Over the last 12 months insiders sold $2.3M against $80K of open-market buying. Anderson David Hugo sold $2.2M through a 10b5-1 trading plan in 10 lots (Sep–Aug). BlackRock, Inc. trimmed 16.5% → 15.0%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $80K (2 lots) · 7 sellers, $2.3M (21 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Anderson David Hugo | 0 | – | 10 | $2.2M | Aug 18, 2026 |
| David A. Weber | 0 | – | 2 | $89K | Mar 23, 2026 |
| Palfreyman Justin | 1 | $60K | 0 | – | May 7, 2026 |
| Peter J. Bragdon | 1 | $20K | 0 | – | May 12, 2026 |
| Rush Kimberly Heiting | 0 | – | 2 | $61 | Mar 5, 2026 |
| Joseph S. Karney | 0 | – | 2 | $60 | Mar 5, 2026 |
| Zachary D. Kravitz | 0 | – | 2 | $55 | Mar 5, 2026 |
| Saathoff Mardilyn | 0 | – | 2 | $53 | Dec 22, 2025 |
| Melinda B. Rogers | 0 | – | 1 | $7 | Mar 5, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15.0% | 13G | Apr 24, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 6.4% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Anderson David Hugo | $1.2M | Jun 26, 2026 | filing ↗ |
| David A. Weber | $79K | Mar 23, 2026 | filing ↗ |
| David A. Weber | $10K | Mar 23, 2026 | filing ↗ |
| Anderson David Hugo | $691K | Oct 20, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| New financial obligation (2.03) | Sep 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 3, 2026 | filing ↗ |
| Earnings (2.02) | Aug 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 5, 2026 | filing ↗ |
| Other events (8.01) | Jul 29, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 4, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 4, 2026 | filing ↗ |
| Other events (8.01) | Jun 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 4, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 28, 2026 | filing ↗ |
| Earnings (2.02) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Other events (8.01) | Mar 23, 2026 | filing ↗ |
| Earnings (2.02) | Feb 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 27, 2026 | filing ↗ |
| New financial obligation (2.03) | Dec 16, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 16, 2025 | filing ↗ |
| Officer/director changes (5.02) | Dec 11, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 11, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 11, 2025 | filing ↗ |
| Earnings (2.02) | Nov 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 5, 2025 | filing ↗ |
| Other events (8.01) | Oct 24, 2025 | filing ↗ |