{"schema_version":"secwatch.filing_event.v1","accession":"0001733998-21-000025","form_type":"8-K","ticker":"NWN","cik":"0001733998","company_name":"Northwest Natural Holding Co","filed_at":"2021-08-11T23:59:59+00:00","discovered_at":"2026-05-14T18:04:19.427260+00:00","generated_at":"2026-06-29T15:21:12.415254+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"NWN Chair C. Scott Gibson to retire Dec 31, 2021; Malia H. Wasson appointed Chair","bullets":["Chair C. Scott Gibson retiring from Board of Northwest Natural Holding and NW Natural effective Dec 31, 2021.","Malia H. Wasson appointed as Chair of the Board effective August 9, 2021 to facilitate transition.","Gibson served as director since 2002, first on NW Natural Board."],"urls":{"canonical":"https://secwatch.observer/filing/0001733998-21-000025","json":"https://secwatch.observer/filing/0001733998-21-000025.json","markdown":"https://secwatch.observer/filing/0001733998-21-000025.md","text":"https://secwatch.observer/filing/0001733998-21-000025.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1733998/000173399821000025/0001733998-21-000025-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1733998/000173399821000025/nwn-20210806.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T15:21:12.415254+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"2c79cc0f57","claim":"Malia H. Wasson was appointed as Chair of the Board at Northwest Natural Holding Co.","evidence_excerpt":"the Board has appointed Malia H. Wasson as Chair of the Board effective August 9, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399821000025/0001733998-21-000025-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chair of the Board"}],"fact_type":"executive_change"},{"claim_id":"ece9bef4c1","claim":"C. Scott Gibson retired as Chair of the Board at Northwest Natural Holding Co.","evidence_excerpt":"announced his retirement from the Board effective December 31, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399821000025/0001733998-21-000025-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"Chair of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}