Filing Details

Accession Number:
0001599901-25-000150
Form Type:
4
Zero Holdings:
No
Publication Time:
2025-08-08 17:39:33
Reporting Period:
2025-08-06
Filing Date:
2025-08-08
Accepted Time:
2025-08-08 17:39:33
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1599901 Avidity Biosciences Inc. RNA Pharmaceutical Preparations (2834) 461336960
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1747528 George Steven Hughes C/O Avidity Biosciences, Inc.
10578 Science Center Drive, Suite 125
San Diego CA 92121
Chief Medical Officer No Yes No No
Transaction Summary
Sold: 81,434 shares Avg. Price: $42.74 Total Value: $3,480,269.29
Number of Shares After Transactions: 38,867 shares
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2025-08-06 11,283 $15.96 84,133 No 4 M Direct
Common Stock Disposition 2025-08-06 11,283 $42.74 72,850 No 4 S Direct
Common Stock Acquisiton 2025-08-06 12,334 $6.57 85,184 No 4 M Direct
Common Stock Disposition 2025-08-06 12,334 $42.74 72,850 No 4 S Direct
Common Stock Acquisiton 2025-08-06 6,167 $22.47 79,017 No 4 M Direct
Common Stock Disposition 2025-08-06 6,167 $42.74 72,850 No 4 S Direct
Common Stock Acquisiton 2025-08-06 17,667 $10.16 90,517 No 4 M Direct
Common Stock Disposition 2025-08-06 17,667 $42.74 72,850 No 4 S Direct
Common Stock Disposition 2025-08-06 33,983 $42.74 38,867 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
No 4 M Direct
No 4 S Direct
No 4 M Direct
No 4 S Direct
No 4 M Direct
No 4 S Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Stock Option (Right to Buy) Disposition 2025-08-06 11,283 $0.00 11,283 $15.96
Common Stock Stock Option (Right to Buy) Disposition 2025-08-06 12,334 $0.00 12,334 $6.57
Common Stock Stock Option (Right to Buy) Disposition 2025-08-06 6,167 $0.00 6,167 $22.47
Common Stock Stock Option (Right to Buy) Disposition 2025-08-06 17,667 $0.00 17,667 $10.16
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
73,342 2032-02-13 No 4 M Direct
52,417 2033-09-10 No 4 M Direct
74,000 2033-01-19 No 4 M Direct
75,083 2034-01-19 No 4 M Direct
Footnotes
  1. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on June 12, 2024.
  2. This represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $40.15 to $46.44. 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.
  3. This option was granted on February 14, 2022 and vests in equal installments of 5,652 shares on each monthly anniversary of such grant date, until it is fully vested and exercisable on February 14, 2026.
  4. This option was granted on September 11, 2023 and vests in equal installments of 1,542 shares on each monthly anniversary of such grant date, until it is fully vested and exercisable on September 11, 2027.
  5. This option was granted on January 20, 2023 and vests in equal installments of 3,083 shares on each monthly anniversary of such grant date, until it is fully vested and exercisable on January 20, 2027.
  6. This option was granted on January 20, 2024 and vests in equal installments of 2,208 shares on each monthly anniversary of such grant date, until it is fully vested and exercisable on January 20, 2028.