SEC Form 4 · Updated Daily
NWN
— NORTHWEST NATURAL HOLDING COMPANY OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| ANDERSON DAVID HUGO | Director | 47,759 | 2026-10-19 | S |
| Saathoff MardiLyn | Officer | 38,445 | 2026-03-05 | F |
| RUSH KIMBERLY HEITING | Officer | 30,064.161 | 2026-03-05 | F |
| Burkhartsmeyer Frank | Officer | 25,259.4 | 2023-03-01 | F |
| Lee Karen | Director | 22,710.039 | 2026-05-07 | I |
| Palfreyman Justin | Director · Officer | 22,165 | 2026-05-07 | P |
| Wilhoite Charles A. | Director | 15,170.29 | 2022-11-09 | I |
| Enand Monica | Director | 13,674.43 | 2023-11-06 | I |
| WILSON BRODY J | Officer | 13,606 | 2026-09-01 | F |
| GIBSON C SCOTT | Director | 11,968.35 | 2021-01-14 | J |
| McDonough Sandra | Director | 11,216.853 | 2026-08-06 | I |
| DOWNING JAMES R | Officer | 8,593 | 2024-03-13 | S |
| Williams Kathryn M | Officer | 7,960 | 2026-03-05 | F |
| Kaszuba Raymond J III | Officer | 7,234 | 2026-09-01 | F |
| HAMACHEK TOD R | Director | 6,930.36 | 2020-11-11 | J |
| Wasson Malia H | Director | 6,805.15 | 2021-08-19 | P |
| MCCURDY DAVID K | Director | 6,354.2 | 2025-05-07 | I |
| Berge Megan H | Officer | 5,841 | 2026-03-05 | F |
| Karney Joseph S | Officer | 5,147.142 | 2026-03-05 | F |
| Ludford Mary E | Director | 4,923.61 | 2026-08-06 | I |
| Bragdon Peter J | Officer | 4,655.233 | 2026-08-06 | I |
| Imeson Thomas J | Officer | 4,555.17 | 2019-04-01 | F |
| Russell Lori L | Officer | 4,432.69 | 2019-03-19 | M |
| Kravitz Zachary D | Officer | 3,676.056 | 2026-03-05 | F |
| HUDDLESTON JON G | Officer | 3,505.92 | 2023-02-22 | A |
| PARTAIN NATHAN I | Director | 3,369.13 | 2023-11-06 | I |
| Rogers Melinda B. | Officer | 2,346.13 | 2026-03-05 | F |
| Patterson Kyra | Officer | 2,219 | 2026-10-01 | F |
| Filippi Shawn M | Officer | 2,033.34 | 2024-03-01 | F |
| Fellon Brian | Officer | 1,572 | 2026-03-05 | F |
| Weber David A. | Officer | 149 | 2026-03-23 | S |
| Peverett Jane L | Director | 0 | 2023-08-09 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-19 | ANDERSON DAVID HUGO | Open-market sale | 1,500 | $48.71 | 47,759 |
| 2026-10-01 | Patterson Kyra | Tax withholding | 244 | $46.67 | 2,219 |
| 2026-09-18 | ANDERSON DAVID HUGO | Open-market sale | 1,500 | $48.03 | 49,259 |
| 2026-09-01 | WILSON BRODY J | Tax withholding | 341 | $49.07 | 13,606 |
| 2026-09-01 | Kaszuba Raymond J III | Tax withholding | 705 | $49.07 | 7,234 |
| 2026-08-18 | ANDERSON DAVID HUGO | Open-market sale | 1,500 | $50.86 | 50,759 |
| 2026-08-06 | Ludford Mary E | I | 507.021 | $50.77 | 4,923.61 |
| 2026-08-06 | Bragdon Peter J | I | 1,140.709 | $50.77 | 4,655.233 |
| 2026-08-06 | McDonough Sandra | I | 247.629 | $50.77 | 11,216.853 |
| 2026-07-20 | ANDERSON DAVID HUGO | Open-market sale | 1,500 | $51.18 | 52,259 |
| 2026-06-26 | ANDERSON DAVID HUGO | Open-market sale | 1,500 | $50.90 | 53,759 |
| 2026-05-12 | Bragdon Peter J | Open-market buy | 400 | $50.32 | 800 |
| 2026-05-07 | Palfreyman Justin | Open-market buy | 1,225 | $48.75 | 22,165 |
| 2026-05-07 | Bragdon Peter J | I | 1,151.675 | $50.19 | 3,490.732 |
| 2026-05-07 | McDonough Sandra | I | 250.475 | $50.19 | 10,861.297 |
| 2026-05-07 | Ludford Mary E | I | 512.847 | $50.19 | 4,377.282 |
| 2026-05-07 | Lee Karen | I | 1,014.422 | $50.19 | 22,710.039 |
| 2026-03-23 | Weber David A. | Open-market sale | 1,700 | $52.57 | 149 |
| 2026-03-05 | Fellon Brian | Tax withholding | 175 | $52.53 | 1,572 |
| 2026-03-05 | WILSON BRODY J | Tax withholding | 937 | $52.53 | 13,947 |
| 2026-03-05 | WILSON BRODY J | Tax withholding | 546 | $52.53 | 14,884 |
| 2026-03-05 | ANDERSON DAVID HUGO | Tax withholding | 5,844 | $52.53 | 55,259 |
| 2026-03-05 | ANDERSON DAVID HUGO | Tax withholding | 3,747 | $52.53 | 61,103 |
| 2026-03-05 | Weber David A. | Open-market sale | 0.604 | $52.53 | 1,849 |
| 2026-03-05 | Weber David A. | Tax withholding | 937 | $52.53 | 1,849.604 |
| 2026-03-05 | Weber David A. | Tax withholding | 546 | $52.53 | 2,786.604 |
| 2026-03-05 | Karney Joseph S | Open-market sale | 0.568 | $52.53 | 4,510 |
| 2026-03-05 | Karney Joseph S | Open-market sale | 0.574 | $52.53 | 4,510.568 |
| 2026-03-05 | Karney Joseph S | Tax withholding | 636 | $52.53 | 4,511.142 |
| 2026-03-05 | Karney Joseph S | Tax withholding | 136 | $52.53 | 5,147.142 |
| 2026-03-05 | Palfreyman Justin | Tax withholding | 3,909 | $52.53 | 20,940 |
| 2026-03-05 | RUSH KIMBERLY HEITING | Open-market sale | 0.376 | $52.53 | 27,063 |
| 2026-03-05 | RUSH KIMBERLY HEITING | Open-market sale | 0.785 | $52.53 | 27,063.376 |
| 2026-03-05 | RUSH KIMBERLY HEITING | Tax withholding | 3,000 | $52.53 | 27,064.161 |
| 2026-03-05 | RUSH KIMBERLY HEITING | Tax withholding | 1,871 | $52.53 | 30,064.161 |
| 2026-03-05 | Saathoff MardiLyn | Tax withholding | 3,747 | $52.53 | 34,698 |
| 2026-03-05 | Saathoff MardiLyn | Tax withholding | 2,095 | $52.53 | 38,445 |
| 2026-03-05 | Berge Megan H | Tax withholding | 1,485 | $52.53 | 5,841 |
| 2026-03-05 | Rogers Melinda B. | Open-market sale | 0.13 | $52.53 | 2,214 |
| 2026-03-05 | Rogers Melinda B. | Tax withholding | 132 | $52.53 | 2,214.13 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.