NORTHWEST NATURAL GAS CO of PORTLAND, OR filed a DEF 14A with the SEC on 2011-04-18. Industry: Natural Gas Distribution.
| Seq | Type | Description |
|---|---|---|
| 1 | DEF 14A | DEFINITIVE PROXY STATEMENT |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | GRAPHIC | GRAPHIC |
| 6 | GRAPHIC | GRAPHIC |
| 7 | GRAPHIC | GRAPHIC |
| 8 | GRAPHIC | GRAPHIC |
| 9 | GRAPHIC | GRAPHIC |
| 10 | GRAPHIC | GRAPHIC |
| 11 | GRAPHIC | GRAPHIC |
| 12 | GRAPHIC | GRAPHIC |
| 13 | GRAPHIC | GRAPHIC |
| 14 | GRAPHIC | GRAPHIC |
| 15 | GRAPHIC | GRAPHIC |
Showing 12 of 30 filings.
| Filed | Form |
|---|---|
| 2018-04-18 | DEF 14A |
| 2017-04-13 | DEF 14A |
| 2016-04-22 | DEFR14A |
| 2016-04-15 | DEF 14A |
| 2015-04-17 | DEF 14A |
| 2014-04-14 | DEF 14A |
| 2013-04-15 | DEF 14A |
| 2012-04-12 | DEF 14A |
| 2011-04-18 | DEF 14A |
| 2010-04-19 | DEF 14A |
| 2009-04-20 | DEF 14A |
| 2008-04-14 | DEF 14A |