Troy E. Wilson - Sep 5, 2025 Form 4 Insider Report for Avidity Biosciences, Inc. (RNA)

Role
Director
Signature
/s/ John B. Moriarty, Jr., J.D., Attorney-in-Fact
Stock symbol
RNA
Transactions as of
Sep 5, 2025
Transactions value $
-$1,294,040
Form type
4
Date filed
9/9/2025, 05:53 PM
Previous filing
Aug 14, 2025
Next filing
Sep 9, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WILSON TROY EDWARD Director C/O AVIDITY BIOSCIENCES, INC., 3020 CALLAN RD., SAN DIEGO /s/ John B. Moriarty, Jr., J.D., Attorney-in-Fact 2025-09-09 0001589597

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RNA Common Stock Options Exercise $181K +14.5K +20.89% $12.48 83.9K Sep 5, 2025 Direct F1
transaction RNA Common Stock Sale -$725K -14.5K -17.28% $50.00 69.4K Sep 5, 2025 Direct F1
transaction RNA Common Stock Sale -$750K -15K -21.61% $50.00 54.4K Sep 5, 2025 Direct F1
holding RNA Common Stock 13.7K Sep 5, 2025 By family trust

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) Options Exercise $0 -14.5K -100% $0.00 0 Sep 5, 2025 Common Stock 14.5K $12.48 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 All exercises and sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on December 4, 2024.
F2 The option is fully vested and exercisable as of the date hereof.