Calderaro Charles III
SEC insider (Form 3/4/5 filer). CIK 0002049888. Chief Technical Officer at Avidity Biosciences, Inc. (RNAM). 5 reported Form 4/5 transactions since Sep 2024; latest on Feb 27, 2026. Located in SAN DIEGO, CA.
Companies Calderaro Charles III has filed insider reports for
- Avidity Biosciences, Inc. (RNAM): Officer, Chief Technical Officer
Calderaro Charles III
CIK: 0002049888
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)1 (20.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)2 (40.0%)
Compensation grants
Other (G, F, J, C, D, …)2 (40.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
RNAM
Avidity Biosciences, Inc.
Officer
Discretionary Trading P&L
Holdings
Transaction History (5 total)
- Feb 27, 2026RNAM
Avidity Biosciences, Inc.
DispositionDirect98.5K shares- - Jan 7, 2026RNA
Avidity Biosciences, Inc.
SaleDirect3.7K shares at avg. $72.23$269K - Dec 17, 2025RNA
Avidity Biosciences, Inc.
AwardDirect23.3K shares- - Dec 17, 2025RNA
Avidity Biosciences, Inc.
Tax PaymentDirect9.7K shares at avg. $71.87$699K - Jan 6, 2025RNA
Avidity Biosciences, Inc.
AwardDirect40K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Feb 27, 2026 | RNAM Avidity Biosciences, Inc. | Disposition | 98,547 | - | $0 | Direct |
| Jan 7, 2026 |  RNA Avidity Biosciences, Inc. | Sale | 3,727 | $72.23 | $269,201 | Direct |
| Dec 17, 2025 | RNA Avidity Biosciences, Inc. | Award | 23,250 | - | - | Direct |
| Dec 17, 2025 | RNA Avidity Biosciences, Inc. | Tax Payment | 9,726 | $71.87 | $699,008 | Direct |
| Jan 6, 2025 | RNA Avidity Biosciences, Inc. | Award | 40,000 | - | $0 | Direct |
1-5 of 5 transactions