AORT: Company disclosure · Other company developments

Item 7.01 Regulation FD Disclosure. On May 18, 2026, Artivion, Inc. (“Artivion”) issued a press release announcing the completion of the acquisition of Endospan Ltd. (“Endospan”), an Israeli corporation that designs, develops, markets and sells innovative products for the treatment of aortic instability, including the Nexus™ product. A copy of the press release is furnished as Exhibit 99.1 hereto. Such press release shall not be deemed “filed” for purposes of Section 18 of the Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by Artivion under the Securities Act of 1933, as amended, or the Exchange Act. Item 8.01 Other Events. On May 18, 2026, Artivion completed its previously announced acquisition of Endospan pursuant to the exercise of Artivion’s option to purchase (directly or indirectly through an affiliate) all of the outstanding securities of Endospan. This transaction was consummated pursuant to that certain Securities Purchase Option Agreement, dated September 11, 2019, by and among Artivion, Endospan, the securityholders of Endospan listed in Schedule 1 thereto (together with any additional securityholder that becomes a party by joinder, the “Securityholders”), and Shareholder Representative Services LLC, as the Securityholder representative (as amended on July 1, 2024 and January 9, 2026, the “Agreement”). As previously disclosed, the base purchase price of $175.0 million which, pursuant to the Agreement, Artivion elected to cause to be paid entirely in cash, was subject to certain adjustments for, among other things, working capital, indebtedness, cash and transaction expenses, as well as escrowed and reserved amounts for indemnific