Pinnacle West Capital Corp. SEC Filings http://www.pinnaclewest.com/generated by Q4Mon, 29 Jun 2026 16:04:12 -0400Copyright Q4 Inc. All rights reserved.Pinnacle 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 -0400Pinnacle West Capital Corp. - 8-K - Current report filing19460327http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19460327Tue, 19 May 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19459364http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19459364Mon, 18 May 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19459318http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19459318Mon, 18 May 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19459347http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19459347Mon, 18 May 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19459242http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19459242Mon, 18 May 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19459258http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19459258Mon, 18 May 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19459204http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19459204Mon, 18 May 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19459215http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19459215Mon, 18 May 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19459227http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19459227Mon, 18 May 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19459237http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19459237Mon, 18 May 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19446169http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19446169Thu, 14 May 2026 00:00:00 -0400