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Latest filings (excl ownership)
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Latest ownership filings
4
NORTHWEST NATURAL GAS CO
14 Aug 18
4
NORTHWEST NATURAL GAS CO
5 Mar 18
4
NORTHWEST NATURAL GAS CO
23 Feb 18
4
NORTHWEST NATURAL GAS CO
15 Jun 17
4
NORTHWEST NATURAL GAS CO
15 Mar 17
4
NORTHWEST NATURAL GAS CO
2 Mar 17
4
NORTHWEST NATURAL GAS CO
24 Feb 17
4
NORTHWEST NATURAL GAS CO
4 Jan 17
4
NORTHWEST NATURAL GAS CO
10 Jun 16
4
NORTHWEST NATURAL GAS CO
25 Mar 16