Charles Calderaro III - 06 Jan 2025 Form 4 Insider Report for Avidity Biosciences, Inc. (RNA)

Role: Chief Technical Officer
Signature: /s/ John B. Moriarty, Jr., J.D., Attorney-in-Fact
Issuer symbol: RNA
Transactions as of: 06 Jan 2025
Transactions value $: $0
Form type: 4
Filing time: 08 Jan 2025, 20:13:12 UTC
Next filing: 19 Dec 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RNA	Common Stock	Award	$0	+40K		$0.00	40K	06 Jan 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RNA	Stock Option (Right to Buy)	Award	$0	+80K		$0.00	80K	06 Jan 2025	Common Stock	80K	$31.42	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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 as follows: 1/4 of the shares underlying the option vest on the first anniversary of January 6, 2025, and 1/48 of the total shares underlying the option shall vest in equal monthly installments thereafter.