X0508 4 2023-08-21 0001781174 Acrivon Therapeutics, Inc. ACRV 0001950499 Blume-Jensen Peter C/O ACRIVON THERAPEUTICS, INC. 480 ARSENAL WAY, SUITE 100 WATERTOWN MA 02472 true true President and CEO false Common Stock 2023-08-21 4 A 0 493994 0 A 2897696 D Common Stock 320705 I See footnote These shares represent restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Of these RSUs, 1/3rd shall vest on the one-year anniversary of the grant date, and the remaining RSUs shall vest in eight equal quarterly installments thereafter, in each case subject to the Reporting Person's continuous service through each such vesting date. These securities are held by co-founder and EVP, Kristina Masson, who is also Dr. Blume-Jensen's spouse. Dr. Blume-Jensen disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. /s/ Rasmus Holm-Jorgensen, Attorney-in-Fact 2023-08-23