Northwest Natural Holding Company

The annual 10-K, the quarterly 10-Q and the 8-K filed between them when something material happens.

1. Sep 228-KRegulation FD disclosure and other events7.018.019.01
2. Sep 38-KNew debt or obligation2.039.01
3. Aug 510-QQuarterly report
4. Aug 48-KResults of operations2.029.01
5. Jul 318-KOther events8.01
6. Jun 48-KMaterial agreement and other events1.012.038.019.01
7. Jun 18-KShareholder vote5.07
8. May 610-QQuarterly report
9. May 58-KResults of operations2.029.01
10. Mar 238-KOther events8.01
11. Feb 2710-KAnnual report
12. Feb 278-KResults of operations2.029.01
13. Dec 16, 20258-KNew debt or obligation2.039.01
14. Dec 13, 20258-KOfficer or director change and Regulation FD disclosure5.027.019.01
15. Nov 5, 202510-QQuarterly report
16. Nov 4, 20258-KResults of operations2.029.01
17. Oct 27, 20258-KOther events8.01
18. Aug 29, 20258-KOther events8.01
19. Aug 25, 20258-KOther events8.01
20. Aug 5, 202510-QQuarterly report
21. Aug 4, 20258-KResults of operations2.029.01
22. Jul 25, 20258-KBylaws or fiscal year changed5.039.01
23. Jul 3, 20258-KOfficer or director change and Regulation FD disclosure5.027.019.01
24. Jun 24, 20258-KOther events8.01
25. May 23, 20258-KOfficer or director change and shareholder vote5.025.079.01
26. May 6, 202510-QQuarterly report
27. May 5, 20258-KResults of operations and Regulation FD disclosure2.027.019.01
28. Mar 18, 20258-KOther events8.019.01
29. Mar 14, 2025424B5Prospectus for an offering
30. Mar 12, 2025424B3Prospectus for an offering
31. Feb 28, 202510-KAnnual report
32. Feb 27, 20258-KResults of operations and Regulation FD disclosure2.027.019.01