Shareholder Vote

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549  _______________ FORM 8-K  _______________ CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report:  May 27, 2026 (Date of earliest event reported)  _______________ TENET HEALTHCARE CORP ORATION (Exact name of registrant as specified in its charter)   Nevada   1-7293   95-2557091 (State of Incorporation)   (Commission File Number)   (IRS Employer Identification Number)  _______________ 14201 Dallas Parkway Dallas , TX   75254 (Address of principal executive offices, including zip code) ( 469 ) 893-2200 (Registrant’s telephone number, including area code)  _______________ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common stock, $0.05 par value THC NYSE 6.875% Senior Notes due 2031 THC31 NYSE Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging Growth Company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Item 5.07. Submission of Matters to a Vote of Security Holders. The 2026 Annual Meeting of Shareholders (the “Annual Meeting”) of Tenet Healthcare Corporation (the “Company”) was held on May 27, 2026 . Below are the final voting results from the meeting. 1.    The Company’s shareholders elected the following directors to serve on the Company’s Board of Directors, each to serve until the next annual meeting of shareholders or until his or her successor is duly elected or qualified, whichever is later, or until the director’s earlier resignation or removal: FOR AGAINST ABSTAIN BROKER NON-VOTES Saumya Sutaria 72,297,676  2,036,933  76,905  5,510,667  J. Robert Kerrey 71,837,362  2,539,818  34,334  5,510,667  Vineeta Agarwala 73,763,259  621,321  26,934  5,510,667  James L. Bierman 73,793,459  550,313  67,742  5,510,667  Roy Blunt 73,768,660  572,299  70,555  5,510,667  Richard W. Fisher 73,759,704  583,669  68,141  5,510,667  Meghan M. FitzGerald 73,162,461  1,222,005  27,048  5,510,667  Cecil D. Haney 73,782,103  549,561  79,850  5,510,667  Christopher S. Lynch 73,771,835  570,200  69,479  5,510,667  Richard J. Mark 73,767,877  574,980  68,657  5,510,667  Tammy Romo 73,149,469  1,233,024  29,021  5,510,667  Nadja Y. West 73,659,093  710,537  41,884  5,510,667  2.    The Company’s shareholders approved, on an advisory basis, the Company’s executive compensation: FOR AGAINST ABSTAIN BROKER NON-VOTES 62,554,346 11,817,273 39,895 5,510,667  3.     The Company’s shareholders approved the ratification of the selection of Deloitte & Touche LLP as the Company’s independent registered public accountants for the year ending December 31, 2026: FOR AGAINST ABSTAIN BROKER NON-VOTES 79,422,386 470,477 29,318 — 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. TENET HEALTHCARE CORPORATION Date: May 29, 2026 By: /s/ T HOMAS A RNST Name: Thomas Arnst Title: Executive Vice President, Chief Administrative Officer, General Counsel and Corporate Secretary