0001599901-24-000008.txt : 20240123 0001599901-24-000008.hdr.sgml : 20240123 20240123151105 ACCESSION NUMBER: 0001599901-24-000008 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240120 FILED AS OF DATE: 20240123 DATE AS OF CHANGE: 20240123 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MacLean Michael F CENTRAL INDEX KEY: 0001383731 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39321 FILM NUMBER: 24552225 MAIL ADDRESS: STREET 1: 14 CAMBRIDGE CENTER CITY: CAMBRIDGE STATE: MA ZIP: 02142 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_1706040655.xml FORM 4 X0508 4 2024-01-20 0 0001599901 Avidity Biosciences, Inc. RNA 0001383731 MacLean Michael F C/O AVIDITY BIOSCIENCES, INC. 10578 SCIENCE CENTER DRIVE, SUITE 125 SAN DIEGO CA 92121 0 1 0 0 Chief Financial Officer 1 Common Stock 2024-01-20 4 A 0 22500 0 A 27209 D Common Stock 2024-01-22 4 S 0 1616 10.13 D 16884 D Stock Option (Right to Buy) 10.16 2024-01-20 4 A 0 106000 0 A 2034-01-19 Common Stock 106000 106000 D Represents restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs shall vest in four equal installments on the first four anniversaries of January 20, 2024, subject to the Reporting Person's continuous service to the Issuer on each such vesting date. Includes 4,709 shares previously acquired by the Reporting Person under the Avidity Biosciences, Inc. 2020 Employee Stock Purchase Plan. 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. 1/48th of the total number of shares subject to the options shall vest on each monthly anniversary of January 20, 2024 (the "Vesting Commencement Date"), subject to the Reporting Person's continuous service to the Issuer on each such vesting date, so that the options shall be fully vested on the fourth anniversary of the Vesting Commencement Date. /s/ John W. Wallen III, Ph.D., J.D., Attorney-in-Fact 2024-01-23