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$RNA All transactions

Avidity Biosciences, Inc.

▼ SELL 10b5-1 Plan

$ Value

$5.5M

Shares

124,687

Price

$44

Filed

Aug 8

Insider

Name

Mosbrooker Eric

Title

Chief Commercial Officer

CIK

0001715283

Roles

Officer

Transaction Details

Transaction Date

2025-08-06

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

61,120

Footnotes

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on September 11, 2024. | This represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $40.54 to $45.44. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. | 1/48th of the total number of shares subject to the option shall vest on each monthly anniversary of January 1, 2024 (the "Vesting Commencement Date"), 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.

Filing Info

Accession No.

0001599901-25-000157

Form Type

4

Issuer CIK

0001599901

Mosbrooker Eric's History

Date Ticker Type Value
2025-10-03 RNA M $59K
2025-10-03 RNA $298K
2025-10-03 RNA M $0
2025-09-03 RNA M $59K
2025-09-03 RNA $309K
2025-09-03 RNA M $0
2025-08-06 RNA M $1.1M
2025-08-06 RNA $5.5M
2025-08-06 RNA $270K
2025-08-06 RNA M $0

Other Insiders at RNA (90d)

No other insider activity at this issuer in the last 90 days.