Charles Calderaro Iii is Chief Technical Officer of Avidity Biosciences, Inc.. Currently has a direct ownership of 49,797 shares of RNA, which is worth approximately $3.53 Million. The most recent transaction as insider was on Jan 07, 2026, when has been sold 3,727 shares (Common Stock) at a price of $72.23 per share, resulting in proceeds of $269,201. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 49.8K
24.49% 3M change
24.49% 12M change
Total Value Held $3.53 Million

Charles Calderaro III Transaction History

Date Transaction Value Shares Traded Shares Held Form
Jan 07 2026
SELL
Open market or private sale
$269,201 $72.23 p/Share
3,727 Reduced 6.96%
49,797 Common Stock
Dec 17 2025
SELL
Payment of exercise price or tax liability
$699,007 $71.87 p/Share
9,726 Reduced 15.38%
53,524 Common Stock
Dec 17 2025
BUY
Grant, award, or other acquisition
-
23,250 Added 26.88%
63,250 Common Stock
Jan 06 2025
BUY
Grant, award, or other acquisition
-
40,000 Added 50.0%
40,000 Common Stock
CCI

Charles Calderaro Iii

Chief Technical Officer
San Diego, CA

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