0001599901-24-000012.txt : 20240123 0001599901-24-000012.hdr.sgml : 20240123 20240123151434 ACCESSION NUMBER: 0001599901-24-000012 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240122 FILED AS OF DATE: 20240123 DATE AS OF CHANGE: 20240123 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LEVIN ARTHUR A CENTRAL INDEX KEY: 0001181556 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39321 FILM NUMBER: 24552244 MAIL ADDRESS: STREET 1: 1896 RUTHERFORD ROAD CITY: CARLSBAD STATE: CA ZIP: 92008 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Avidity Biosciences, Inc. CENTRAL INDEX KEY: 0001599901 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 461336960 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 10578 SCIENCE CENTER DRIVE STREET 2: SUITE 125 CITY: SAN DIEGO STATE: CA ZIP: 92121 BUSINESS PHONE: 858-401-7900 MAIL ADDRESS: STREET 1: 10578 SCIENCE CENTER DRIVE STREET 2: SUITE 125 CITY: SAN DIEGO STATE: CA ZIP: 92121 FORMER COMPANY: FORMER CONFORMED NAME: Avidity Biosciences LLC DATE OF NAME CHANGE: 20161227 FORMER COMPANY: FORMER CONFORMED NAME: Avidity NanoMedicines LLC DATE OF NAME CHANGE: 20140211 4 1 wk-form4_1706040865.xml FORM 4 X0508 4 2024-01-22 0 0001599901 Avidity Biosciences, Inc. RNA 0001181556 LEVIN ARTHUR A C/O AVIDITY BIOSCIENCES, INC. 10578 SCIENCE CENTER DRIVE, SUITE 125 SAN DIEGO CA 92121 1 0 0 0 1 Common Stock 2024-01-22 4 S 0 1859 10.13 D 17471 D Common Stock 273872 I By family trust Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs on January 20, 2024. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary trade by the Reporting Person. The Reporting Person has executed an instruction letter for the automatic sale of such "sell-to-cover" shares, intended to satisfy the affirmative defense conditions of Rule 10b5-1. /s/ John W. Wallen III, Ph.D., J.D., Attorney-in-Fact 2024-01-23