Avidity Biosciences, Inc. — Director's Dealing 2024

Aug 5, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Avidity Biosciences, Inc. (RNA)
CIK: 0001599901
Period of Report: 2024-08-01

Reporting Person: Moriarty John B (Chief Legal Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-08-01	Common Stock	A	25000	—	Acquired	25000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-08-01	Stock Option (Right to Buy)	$44.57	A	160000	Acquired	2034-07-31	Common Stock (160000)	Direct

Footnotes

F1: 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 August 1, 2024, subject to the Reporting Person's continuous service to the Issuer on each such vesting date.

F2: 1/4th of the total number of shares subject to the options shall vest on the first anniversary of August 1, 2024 (the "Vesting Commencement Date"), and 1/48th of the total number of shares subject to the options shall vest on each monthly anniversary of the Vesting Commencement Date thereafter, 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.