{"schema_version":"secwatch.filing_event.v1","accession":"0001733998-24-000083","form_type":"8-K","ticker":"NWN","cik":"0001733998","company_name":"Northwest Natural Holding Co","filed_at":"2024-05-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:19.804390+00:00","generated_at":"2026-06-01T09:16:03.460396+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"NW Natural Holdings CEO David H. Anderson to retire Apr 1, 2025; President Justin B. Palfreyman named successor","bullets":["CEO David H. Anderson retiring effective April 1, 2025; he led the company since 2016.","Board designated President Justin B. Palfreyman as successor; formal appointment and compensation to come.","Palfreyman joined in 2016, became President in May 2023; leads water and renewables strategy."],"urls":{"canonical":"https://secwatch.observer/filing/0001733998-24-000083","json":"https://secwatch.observer/filing/0001733998-24-000083.json","markdown":"https://secwatch.observer/filing/0001733998-24-000083.md","text":"https://secwatch.observer/filing/0001733998-24-000083.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1733998/000173399824000083/0001733998-24-000083-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/73020/000173399824000083/nwn-20240523.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T09:16:03.460396+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":"072375aa12","claim":"Justin B. Palfreyman was appointed as Chief Executive Officer at Northwest Natural Holding Co.","evidence_excerpt":"the Boards of NW Holdings and NW Natural designated Mr. Justin B. Palfreyman, President of NW Holdings and NW Natural, as successor to the office of CEO of NW Holdings and NW Natural, upon Mr. Anderson’s retirement.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399824000083/0001733998-24-000083-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"designated as successor"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"17c2b8f09f","claim":"David H. Anderson departed as Chief Executive Officer at Northwest Natural Holding Co.","evidence_excerpt":"David H. Anderson, Chief Executive Officer (CEO) of Northwest Natural Holding Company (NW Holdings) and Northwest Natural Gas Company (NW Natural) informed the Board at its May 23, 2024 meeting of his decision to retire from his position as CEO of NW Holdings and NW Natural effective April 1, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399824000083/0001733998-24-000083-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"retire"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}