Results of Operations

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 (Date of earliest event Reported): May 27, 2026 HEICO CORPORATION (Exact name of registrant as specified in its charter) Florida 001-04604 65-0341002 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.S. Employer Identification Number) 3000 Taft Street , Hollywood , Florida 33021 (Address of Principal Executive Offices) (Zip Code) ( 954 ) 987-4000 (Registrant's telephone number, including area code) (Former name or former address, if changed since last report) 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, $.01 par value per share HEI New York Stock Exchange Class A Common Stock, $.01 par value per share HEI.A New York Stock Exchange 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) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). 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 2.02. Results of Operations and Financial Condition.     On May 27, 2026, HEICO Corporation (the "Company") issued a press release announcing its results of operations for the three and six months ended April 30, 2026. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.     The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities under that Section and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits Exhibit Description 99.1 Press release dated May 2 7 , 202 6 104 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. HEICO CORPORATION Date: May 27, 2026 By: /s/ CARLOS L. MACAU, JR. Carlos L. Macau, Jr. Executive Vice President - Chief Financial Officer and Treasurer