SB
Insider
Sarah Boyce
President and CEOSarah Boyce (President and CEO) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in RNA. The largest single filing was $1.0M of RNA (14,387 sh across 2 lots, as filed), executed Jan 21. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
2
0 buys · 2 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.7M
shares × price, as filed
Last traded
Jan 21
Filed Jan 23
Volume by month
Buys $0
Sells $7.7M
Shares × price, as filed · by filing month · past 24 months
Most traded names
RNA
RNA
0 buys · 7 sells
7 filings
Recent filings
RNASALE
Avidity Biosciences, Inc.
View filing →
$1.0M14,387 sh across 2 lots
Exec Jan 21
Filed Jan 23 · 5:30 PM ET RNASALE Avidity Biosciences, Inc. View filing → $619K
8,576 sh × $72.23
Exec Jan 7
Filed Jan 9 · 5:30 PM ET RNASALE Avidity Biosciences, Inc. View filing → $2.5M
50,000 sh × $49.95
Exec Sep 5 2025
Filed Sep 5 2025 · 5:30 PM ET RNASALE Avidity Biosciences, Inc. View filing → $1.2M
25,000 sh × $49.39
Exec Aug 28 2025
Filed Aug 29 2025 · 5:30 PM ET RNASALE Avidity Biosciences, Inc. View filing → $980K
31,540 sh × $31.06
Exec Mar 20 2025
Filed Mar 21 2025 · 5:30 PM ET RNASALE Avidity Biosciences, Inc. View filing → $297K
10,397 sh across 2 lots
Exec Jan 21 2025
Filed Jan 23 2025 · 5:30 PM ET RNASALE Avidity Biosciences, Inc. View filing → $1.0M
31,855 sh × $32.66
Exec Dec 18 2024
Filed Dec 19 2024 · 5:30 PM ET