MCCARTHY TERESA (Chief Human Resources Officer) reported 1 transaction at AVIDITY BIOSCIENCES, INC.

Review the transaction codes below to understand the nature of each event.

MCCARTHY TERESA

Filed: 2/27/2026ACC: 0001193125-26-082316

InsiderMCCARTHY TERESACIK 1862121

→

IssuerAVIDITY BIOSCIENCES, INC.CIK 1599901

Officer· Chief Human Resources Officer

Since May 2021

-683.80K

Net shares

Net seller

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

683.80K disposed

Non-Derivative Transactions1

Common Stock

Direct

D · Disposition

−165.30K

Price / share

—

Trade value

—

% of position

New position

2/27/2026

165.30K→0.00

Total

Net shares

−165.30K

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/27/2026	D · Disposition	−165.30K	—	—	New position	165.30K	0.00
Total			−165.30K		$0.00

Derivative Transactions7

Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

106K shares

−106K

Strike price

29.00

Held after

0.00

Exercisable

—

2/27/2026

Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

65K shares

−65K

Strike price

22.34

Held after

0.00

Exercisable

—

2/27/2026

Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

57.50K shares

−57.50K

Strike price

14.22

Held after

0.00

Exercisable

—

2/27/2026

Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

108K shares

−108K

Strike price

22.47

Held after

0.00

Exercisable

—

2/27/2026

Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

54K shares

−54K

Strike price

6.57

Held after

0.00

Exercisable

—

2/27/2026

Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

78K shares

−78K

Strike price

10.16

Held after

0.00

Exercisable

—

2/27/2026

Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

50K shares

−50K

Strike price

31.42

Held after

0.00

Exercisable

—

2/27/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable
Stock Option (Right to Buy) Direct	Common Stock106K shares	2/27/2026	D · Disposition	−106K	29.00	—
Stock Option (Right to Buy) Direct	Common Stock65K shares	2/27/2026	D · Disposition	−65K	22.34	—
Stock Option (Right to Buy) Direct	Common Stock57.50K shares	2/27/2026	D · Disposition	−57.50K	14.22	—
Stock Option (Right to Buy) Direct	Common Stock108K shares	2/27/2026	D · Disposition	−108K	22.47	—
Stock Option (Right to Buy) Direct	Common Stock54K shares	2/27/2026	D · Disposition	−54K	6.57	—
Stock Option (Right to Buy) Direct	Common Stock78K shares	2/27/2026	D · Disposition	−78K	10.16	—
Stock Option (Right to Buy) Direct	Common Stock50K shares	2/27/2026	D · Disposition	−50K	31.42	—