{"filing":{"accession_number":"0001104659-26-070960","cik":"0000764622","ticker":"PNW","company_name":"PINNACLE WEST CAPITAL CORP","form":"8-K","filing_date":"2026-06-05","report_date":null,"primary_document":"tm2616946d1_8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/764622/000110465926070960/tm2616946d1_8k.htm"},"events":[{"id":6408,"run_id":5613,"accession_number":"0001104659-26-070960","anchor_item_number":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"summary":"The 8-K discloses the issuance of $500 million in 4.650% Senior Notes Due 2029 under an Underwriting Agreement dated June 1, 2026. While this is a debt issuance rather than equity, the filing exhibits an underwriting agreement and supplemental indenture for a material capital raise. The magnitude ($500M) and formal structure (registered offering via Form S-3) indicate a material financing event, though the debt nature makes it less clearly \"dilutive\" in the equity sense; however, it represents a material liability issuance that would affect investor assessment of the company's capital structure and financial obligations.","company_name":"PINNACLE WEST CAPITAL CORP","ticker":"PNW","filing_date":"2026-06-05","form":"8-K","submitted_at":null,"items":null}],"classifications":[{"id":4743,"accession_number":"0001104659-26-070960","item_number":null,"item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"The 8-K discloses the issuance of $500 million in 4.650% Senior Notes Due 2029 under an Underwriting Agreement dated June 1, 2026. While this is a debt issuance rather than equity, the filing exhibits an underwriting agreement and supplemental indenture for a material capital raise. The magnitude ($500M) and formal structure (registered offering via Form S-3) indicate a material financing event, though the debt nature makes it less clearly \"dilutive\" in the equity sense; however, it represents a material liability issuance that would affect investor assessment of the company's capital structure and financial obligations.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-05T20:05:11.362839+00:00","company_name":"PINNACLE WEST CAPITAL CORP","ticker":"PNW","filing_date":"2026-06-05"}]}