X0407 4 2023-04-26 0001851657 Vaxxinity, Inc. VAXX 0001528288 Diamandis Peter C/O VAXXINITY, INC. 505 ODYSSEY WAY MERRITT ISLAND FL 32953 1 0 Class A common stock 2023-04-26 4 M 0 429037 0.57 A 859641 D Class A common stock 2023-04-26 4 M 0 46500 1.21 A 906141 D Class A common stock 13824 I Held by spouse Class B common stock 1099915 D Stock option (right to buy) 0.57 2023-04-26 4 M 0 429037 0 D 2031-03-01 Class A common stock 429037 99009 D Stock option (right to buy) 1.21 2023-04-26 4 M 0 46500 0 D 2031-03-01 Class A common stock 46500 732642 D These securities are held by Kristin Diamandis, the Reporting Person's spouse. The Reporting Person disclaims beneficial ownership, within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by Kristin Diamandis in which the Reporting Person has no pecuniary interest. These options are subject to a four-year vesting schedule, with 25% having vested on December 30, 2020 and the remainder vesting in thirty-six equal installments each month during the remainder of the vesting period These options are subject to a four-year vesting schedule, beginning on June 2, 2020, vesting in equal installments each month during the vesting period. /s/ Rene Paula Molina, attorney-in-fact for Peter Diamandis 2023-05-01