X0508 4 2023-11-14 0001781174 Acrivon Therapeutics, Inc. ACRV 0001950501 Masson Kristina C/O ACRIVON THERAPEUTICS, INC. 480 ARSENAL WAY, SUITE 100 WATERTOWN MA 02472 true true EVP - Business Operations false Common Stock 2023-11-14 4 F 0 1900 5.08 D 318805 D Common Stock 2658673 I See footnote Shares withheld by the Issuer to satisfy the mandatory tax withholding requirement upon vesting of restricted stock units. These securities are held by President and CEO, Peter Blume-Jensen, who is also Dr. Masson's spouse. Dr. Masson disclaims beneficial ownership of such securities except to the extent of her pecuniary interest therein. Exhibit List - Exhibit 24 - Power of Attorney /s/ Rasmus Holm-Jorgensen, Attorney-in-Fact 2023-11-16