ARTIVION INC

During the three months ended September 30, 2024, four of our officers adopted Rule 10b5-1 trading arrangements intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act: (1)on August 13, 2024, Andrew M. Green, our Vice President, Regulatory Affairs, adopted a trading arrangement pursuant to which he may sell up to 10,000 shares of the Company’s common stock from November 12, 2024 to May 24, 2025; (2)on August 30, 2024, J. Patrick Mackin, our Chairman, President, and Chief Executive Officer, adopted a trading arrangement pursuant to which he may sell up to 75,615 shares of the Company’s common stock from November 29, 2024 to March 12, 2025; (3)on August 30, 2024, Jean F. Holloway, Esq. our Senior Vice President, General Counsel, Chief Compliance Officer, and Corporate Secretary, adopted a trading arrangement pursuant to which she may sell up to 19,092 shares of the Company’s common stock from November 29, 2024 to March 12, 2025; and (4)on August 30, 2024, John E. Davis, our Chief Commercial Officer, adopted a trading arrangement pursuant to which he may sell up to 15,910 shares of the Company’s common stock from November 29, 2024 to March 12, 2025.

No other directors or officers (as defined in Rule 16a-1(f) under the Exchange Act)adopted, modified, orterminated the contracts, instructions, or written plans for the purchase or sale of the Company’s securities during the three months ended September 30, 2024.