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Organization and Executive Compensation Committee certification of the satisfaction of the performance threshold occurred on the transaction date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares have been credited to reporting person's account under the issuer's Deferred Compensation Plan for Directors and Executives."}],"balance_after":180,"source":{"system":"sec-edgar","filing":"0001140361-17-009077","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/73020/000114036117009077/doc1.xml","form_type":"4"}},{"id":4426665,"issuer":{"id":164055,"kind":"organization","name":"NORTHWEST NATURAL GAS CO","symbol":"NWN"},"owners":[{"id":93464,"kind":"person","name":"Filippi Shawn M","position":1,"cik":"0001629792","reported_name":"Filippi Shawn M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CCO & Corp. 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