Seagate Technology Holdings plc (STX) · Material Event (8-K) SEC Filing

Item 2.02 Results of Operations and Financial Condition. On July 28, 2026 , Seagate Technology Holdings plc (the Company or Seagate ) issued a press release reporting its financial results for the fiscal fourth quarter and fiscal year ended July 3, 2026. The press release is attached to this Current Report on Form 8-K as Exhibit 99.1. The information in this

Item 7.01 Regulation FD Disclosure. On July 28, 2026, the Board of Directors of the Company declared a quarterly cash dividend of $0.74 per share, which will be payable on October 7, 2026 to shareholders of record as of the close of business on September 24, 2026. Seagate has issued a Supplemental Financial Information document. The Supplemental Financial Information is available on Seagate s Investor Relations website at investors.seagate.com. Seagate management will hold a public webcast on July 28, 2026 at 2:00 p.m. Pacific / 5:00 p.m. Eastern that can be accessed on its Investor Relations website at investors.seagate.com. During the webcast, the Company will provide an outlook for its fiscal first quarter of 2027 including key underlying assumptions. A replay will be available on Seagate s Investor Relations website at investors.seagate.com shortly following the conclusion of the event and will be archived for approximately one year. Investors and others should note that the Company routinely uses the Investor Relations section of its corporate website to announce material information to investors and the marketplace. While not all of the information that the Company posts on its corporate website is of a material nature, some information could be deemed to be material. Accordingly, the Company encourages investors, the media, and others interested in the Company to review the information that it shares on investors.seagate.com. The information in this

Item 9.01 Financial Statements and Exhibits. (d) Exhibits. The following exhibit is attached to this Current Report on Form 8-K: Exhibit No. Description 99.1 Press release, dated July 2 8 , 202 6 , of Seagate Technology Holdings plc entitled Seagate Technology Reports Fiscal Fourth Quarter and Fiscal Year 202 6 Financial Results. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized. SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY Date: July 28, 2026 By: /s/ Gianluca Romano Name: Gianluca Romano Title: Executive Vice President and Chief Financial Officer (Principal Financial and Accounting Officer)