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Mailing Address 220 NW SECOND AVENUE PORTLAND OR 97209
Business Address ONE PACIFIC SQUARE 220 NW SECOND AVE PORTLAND OR 97209 5032264211
NORTHWEST NATURAL GAS CO CIK#: 0000073020 (see all company filings)

SIC: 4924 - NATURAL GAS DISTRIBUTION
State location: OR | State of Inc.: OR | Fiscal Year End: 1231
(Assistant Director Office: 2)
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Items 1 - 40  0000073020 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-012024 Size: 24 KB
2017-03-15
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-011747 Size: 6 KB
2017-03-13
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010244 Size: 7 KB
2017-03-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010242 Size: 8 KB
2017-03-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010240 Size: 6 KB
2017-03-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010238 Size: 7 KB
2017-03-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010235 Size: 6 KB
2017-03-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010233 Size: 5 KB
2017-03-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010231 Size: 6 KB
2017-03-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010229 Size: 8 KB
2017-03-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010227 Size: 12 KB
2017-03-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010105 Size: 10 KB
2017-03-01
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010103 Size: 9 KB
2017-03-01
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010101 Size: 7 KB
2017-03-01
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010099 Size: 5 KB
2017-03-01
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-010097 Size: 6 KB
2017-03-01
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000073020-17-000007 (34 Act)  Size: 15 MB
2017-02-27 001-15973
17642542
8-K  Documents Current report, items 2.02 and 9.01
Acc-no: 0000073020-17-000004 (34 Act)  Size: 654 KB
2017-02-27 001-15973
17639225
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-009110 Size: 7 KB
2017-02-24
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-009108 Size: 9 KB
2017-02-24
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-009103 Size: 7 KB
2017-02-24
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-009099 Size: 7 KB
2017-02-24
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-009096 Size: 5 KB
2017-02-24
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-009092 Size: 11 KB
2017-02-24
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-009084 Size: 10 KB
2017-02-24
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-009081 Size: 9 KB
2017-02-24
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-009077 Size: 7 KB
2017-02-24
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-009073 Size: 15 KB
2017-02-24
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-009069 Size: 8 KB
2017-02-24
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001144204-17-008683 (34 Act)  Size: 9 KB
2017-02-14 005-37109
17607725
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000932471-17-001731 (34 Act)  Size: 48 KB
2017-02-10 005-37109
17591661
5  Documents Annual statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-003279 Size: 6 KB
2017-01-27
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-002055 Size: 7 KB
2017-01-17
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-002053 Size: 11 KB
2017-01-17
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-002051 Size: 11 KB
2017-01-17
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000215457-17-000799 (34 Act)  Size: 13 KB
2017-01-17 005-37109
17529937
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001140361-17-000392 Size: 13 KB
2017-01-04
8-K  Documents Current report, items 7.01 and 9.01
Acc-no: 0000073020-16-000081 (34 Act)  Size: 9 MB
2016-12-06 001-15973
162034726
8-K  Documents Current report, items 8.01 and 9.01
Acc-no: 0000073020-16-000079 (34 Act)  Size: 53 KB
2016-12-05 001-15973
162034550
424B2  Documents Prospectus [Rule 424(b)(2)]
Acc-no: 0001193125-16-779849 (33 Act)  Size: 41 KB
2016-11-30 333-214496
162023767