Pinnacle West Capital Corp. SEC Filings http://www.pinnaclewest.com/generated by Q4Wed, 15 Apr 2026 16:02:20 -0400Copyright Q4 Inc. All rights reserved.Pinnacle West Capital Corp. - 8-K - Current report filing19343367http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19343367Wed, 15 Apr 2026 00:00:00 -0400Pinnacle West Capital Corp. - DEFA14A - Additional Proxy Soliciting Materials (definitive)19319361http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19319361Fri, 03 Apr 2026 00:00:00 -0400Pinnacle West Capital Corp. - DEF 14A - Proxy Statement (definitive)19319352http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19319352Fri, 03 Apr 2026 00:00:00 -0400Pinnacle West Capital Corp. - SC 13G/A - Amended Statement of Ownership19291399http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19291399Fri, 27 Mar 2026 00:00:00 -0400Pinnacle West Capital Corp. - S-8 POS - Post-Effective Amendment to an S-8 filing19283063http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19283063Wed, 25 Mar 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19271359http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19271359Fri, 20 Mar 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19271352http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19271352Fri, 20 Mar 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19271341http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19271341Fri, 20 Mar 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19271044http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19271044Fri, 20 Mar 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19271027http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19271027Fri, 20 Mar 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19271034http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19271034Fri, 20 Mar 2026 00:00:00 -0400Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19271007http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19271007Fri, 20 Mar 2026 00:00:00 -0400Pinnacle West Capital Corp. - 8-K - Current report filing19244788http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19244788Thu, 12 Mar 2026 00:00:00 -0400Pinnacle West Capital Corp. - 8-K - Current report filing19201438http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19201438Fri, 27 Feb 2026 00:00:00 -0500Pinnacle West Capital Corp. - 8-K - Current report filing19181410http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19181410Wed, 25 Feb 2026 00:00:00 -0500Pinnacle West Capital Corp. - 10-K - Annual Report19181416http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19181416Wed, 25 Feb 2026 00:00:00 -0500Pinnacle West Capital Corp. - ARS - Annual Report to Security Holders19181418http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19181418Wed, 25 Feb 2026 00:00:00 -0500Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19180912http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19180912Tue, 24 Feb 2026 00:00:00 -0500Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19180879http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19180879Tue, 24 Feb 2026 00:00:00 -0500Pinnacle West Capital Corp. - 4 - Statement of Changes in Beneficial Ownership19180864http://www.pinnaclewest.com/investors/reports/sec-filings/sec-filings-details/default.aspx?FilingId=19180864Tue, 24 Feb 2026 00:00:00 -0500