Mailing Address 250 SW TAYLOR STREET PORTLAND OR 97204
Business Address 250 SW TAYLOR STREET PORTLAND OR 97204 503-226-4211
Northwest Natural Holding Co CIK#: 0001733998 (see all company filings)

SIC: 4924 - NATURAL GAS DISTRIBUTION
State location: OR | State of Inc.: OR | Fiscal Year End: 1231
(CF Office: 01 Energy & Transportation)
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Items 1 - 40  0001733998 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
ARS  Documents Annual Report to Security Holders
Acc-no: 0001193125-25-077786 (34 Act)  Size: 2 MB
2025-04-10 001-38681
25827757
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001193125-25-077782 (34 Act)  Size: 7 MB
2025-04-10 001-38681
25827750
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001733998-25-000078 (34 Act)  Size: 45 MB
2025-03-18 001-38681
25746905
424B5  Documents   Interactive Data Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-25-054581 (33 Act)  Size: 703 KB
2025-03-14 333-281437
25738391
FWP  Documents Filing under Securities Act Rules 163/433 of free writing prospectuses
Acc-no: 0001193125-25-052953 (34 Act)  Size: 28 KB
2025-03-12 333-281437
25732091
305B2  Documents Filing [Trust Indenture Act]
Acc-no: 0001193125-25-052599 (33 Act)  Size: 207 KB
2025-03-12 333-281437
25730202
424B3  Documents Prospectus [Rule 424(b)(3)]
Acc-no: 0001193125-25-052592 (33 Act)  Size: 531 KB
2025-03-12 333-281437
25730187
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001733998-25-000020 (34 Act)  Size: 161 MB
2025-02-28 001-38681
25685019
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001733998-25-000017 (34 Act)  Size: 3 MB
2025-02-28 001-38681
25681430
8-K  Documents   Interactive Data Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001733998-25-000006 (34 Act)  Size: 518 KB
2025-01-10 001-38681
25519875
8-K  Documents   Interactive Data Current report, items 2.03, 7.01, 8.01, and 9.01
Acc-no: 0001733998-25-000004 (34 Act)  Size: 285 KB
2025-01-08 001-38681
25516075
8-K  Documents   Interactive Data Current report, item 2.03
Acc-no: 0001733998-25-000002 (34 Act)  Size: 176 KB
2025-01-06 001-38681
25509947
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001733998-24-000143 (34 Act)  Size: 467 KB
2024-12-30 001-38681
241588944
8-K  Documents   Interactive Data Current report, item 2.03
Acc-no: 0001733998-24-000139 (34 Act)  Size: 168 KB
2024-12-19 001-38681
241561767
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0001733998-24-000128 (34 Act)  Size: 2 MB
2024-11-18 001-38681
241471925
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001733998-24-000125 (34 Act)  Size: 14 MB
2024-11-12 001-38681
241447558
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001733998-24-000122 (34 Act)  Size: 907 KB
2024-11-12 001-38681
241442704
8-K  Documents   Interactive Data Current report, items 7.01 and 8.01
Acc-no: 0001733998-24-000118 (34 Act)  Size: 478 KB
2024-10-29 001-38681
241404326
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001733998-24-000102 (34 Act)  Size: 178 KB
2024-08-22 001-38681
241232582
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001193125-24-197980 (34 Act)  Size: 189 KB
2024-08-09 001-38681
241194113
424B5  Documents   Interactive Data Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-24-197955 (33 Act)  Size: 433 KB
2024-08-09 333-281437
241193974
S-3ASR  Documents   Interactive Data Automatic shelf registration statement of securities of well-known seasoned issuers
Acc-no: 0001193125-24-197846 (33 Act)  Size: 1 MB
2024-08-09 333-281437
241192928
8-K  Documents   Interactive Data Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001193125-24-197711 (34 Act)  Size: 251 KB
2024-08-09 001-38681
241191755
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001733998-24-000093 (34 Act)  Size: 13 MB
2024-08-02 001-38681
241169800
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001733998-24-000091 (34 Act)  Size: 896 KB
2024-08-02 001-38681
241168251
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001733998-24-000089 (34 Act)  Size: 465 KB
2024-07-25 001-38681
241141145
11-K  Documents Annual report of employee stock purchase, savings and similar plans
Acc-no: 0001733998-24-000087 (34 Act)  Size: 424 KB
2024-06-14 001-38681
241044413
8-K  Documents   Interactive Data Current report, items 5.03, 5.07, 8.01, and 9.01
Acc-no: 0001733998-24-000085 (34 Act)  Size: 297 KB
2024-05-29 001-38681
24999154
8-K  Documents   Interactive Data Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001733998-24-000083 (34 Act)  Size: 532 KB
2024-05-23 001-38681
24979408
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001733998-24-000075 (34 Act)  Size: 11 MB
2024-05-06 001-38681
24916983
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001733998-24-000073 (34 Act)  Size: 846 KB
2024-05-06 001-38681
24915317
ARS  Documents Annual Report to Security Holders
Acc-no: 0001193125-24-092942 (34 Act)  Size: 2 MB
2024-04-11 001-38681
24838069
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001193125-24-092939 (34 Act)  Size: 6 MB
2024-04-11 001-38681
24838064
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001733998-24-000011 (34 Act)  Size: 49 MB
2024-02-23 001-38681
24670647
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001733998-24-000007 (34 Act)  Size: 852 KB
2024-02-23 001-38681
24666627
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001104659-24-021580 (34 Act)  Size: 13 KB
2024-02-13 005-90712
24629066
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001086364-24-000334 (34 Act)  Size: 13 KB
2024-01-19 005-90712
24545150
8-K  Documents   Interactive Data Current report, item 2.03
Acc-no: 0001733998-24-000002 (34 Act)  Size: 468 KB
2024-01-11 001-38681
24529326
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001733998-23-000085 (34 Act)  Size: 468 KB
2023-12-29 001-38681
231527742
8-K  Documents   Interactive Data Current report, item 2.03
Acc-no: 0001733998-23-000083 (34 Act)  Size: 179 KB
2023-12-15 001-38681
231490902