Pinnacle West Capital Corp. SEC Filings http://www.pinnaclewest.com/generated by Q4Thu, 13 Aug 2026 16:38:58 -0400Copyright Q4 Inc. All rights reserved.Pinnacle West Capital Corp. - 8-K - Current report filing19696537http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19696537Thu, 13 Aug 2026 00:00:00 -0400Pinnacle West Capital Corp. - SC 13G - Statement of Ownership19689830http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19689830Wed, 12 Aug 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19687721http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19687721Tue, 11 Aug 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19687719http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19687719Tue, 11 Aug 2026 00:00:00 -0400Pinnacle West Capital Corp. - 8-K - Current report filing19678578http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19678578Fri, 07 Aug 2026 00:00:00 -0400Pinnacle West Capital Corp. - 144 - Report of proposed sale of securities19677692http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19677692Fri, 07 Aug 2026 00:00:00 -0400Pinnacle West Capital Corp. - 144 - Report of proposed sale of securities19677364http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19677364Fri, 07 Aug 2026 00:00:00 -0400Pinnacle West Capital Corp. - 424B5 - Prospectus filed pursuant to Rule 424(b)(5)19660493http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19660493Tue, 04 Aug 2026 00:00:00 -0400Pinnacle West Capital Corp. - 8-K - Current report filing19660508http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19660508Tue, 04 Aug 2026 00:00:00 -0400Pinnacle West Capital Corp. - 8-K - Current report filing19660371http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19660371Tue, 04 Aug 2026 00:00:00 -0400Pinnacle West Capital Corp. - 10-Q - Quarterly Report19660377http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19660377Tue, 04 Aug 2026 00:00:00 -0400Pinnacle West Capital Corp. - 8-K - Current report filing19572740http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19572740Mon, 29 Jun 2026 00:00:00 -0400Pinnacle West Capital Corp. - 8-K - Current report filing19521890http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19521890Mon, 08 Jun 2026 00:00:00 -0400Pinnacle West Capital Corp. - 8-K - Current report filing19518959http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19518959Fri, 05 Jun 2026 00:00:00 -0400Pinnacle West Capital Corp. - 424B5 - Prospectus filed pursuant to Rule 424(b)(5)19518943http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19518943Fri, 05 Jun 2026 00:00:00 -0400Pinnacle West Capital Corp. - 8-K - Current report filing19518085http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19518085Fri, 05 Jun 2026 00:00:00 -0400Pinnacle West Capital Corp. - 424B5 - Prospectus filed pursuant to Rule 424(b)(5)19506841http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19506841Tue, 02 Jun 2026 00:00:00 -0400Pinnacle West Capital Corp. - FWP - Free Writing Prospectus - Filing under Securities Act Rules 163/43319502294http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19502294Mon, 01 Jun 2026 00:00:00 -0400Pinnacle West Capital Corp. - 424B5 - Prospectus filed pursuant to Rule 424(b)(5)19498789http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19498789Mon, 01 Jun 2026 00:00:00 -0400Pinnacle West Capital Corp. - POSASR - Post-effective Amendment to an automatic shelf registration of Form S-3ASR or Form F-3ASR19496712http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19496712Fri, 29 May 2026 00:00:00 -0400