Avidity Biosciences, Inc. — Director's Dealing 2025

Jan 9, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Avidity Biosciences, Inc. (RNA)
CIK: 0001599901
Period of Report: 2025-01-06

Reporting Person: Moriarty John B (Chief Legal Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-01-06	Common Stock	A	25000	—	Acquired	50000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-01-06	Stock Option (Right to Buy)	$31.42	A	50000	Acquired	2035-01-05	Common Stock (50000)	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 January 6, 2025, subject to the Reporting Person's continuous service to the Issuer on each such vesting date.

F2: This option vests in 48 equal installments on each monthly anniversary of the grant date, until it is fully vested on January 6, 2029.