Boyce Sarah Insider Trading Activity

Corporate InsiderCEO · CIK 1629383

5

Total trades

$5.4M

Total volume

Jan 21, 2026

Last activity

RNA

Avidity Biosciences, Inc.

Boyce Sarah has been net-selling over the last 12 months with 0 purchases and 5 sales across 1 company.

RNA is the most-traded position with 5 trades. The largest single transaction was a sale of RNA for $2.5M on Sep 5, 2025.

Performance Scorecard

Forward stock performance after each transaction by Boyce Sarah. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days—+3.8%40%5
90 days—+31.0%60%5
120 days—+31.1%60%5

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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RNA · Avidity Biosciences, Inc.

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Recent Trades

DATETICKERTYPESHARESPRICEVALUEROLE
Jan 21, 2026RNASell6,394$72.45$463KCEO
Jan 21, 2026RNASell7,993$72.45$579KCEO
Jan 7, 2026RNASell8,576$72.23$619KCEO
Sep 5, 2025RNASell50,000$49.95$2.5MCEO
Aug 28, 2025RNASell25,000$49.39$1.2MCEO

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
RNAAvidity Biosciences, Inc.5$5.4M

Other insiders at Avidity Biosciences, Inc.

7 other tracked filers at RNA.

Hughes Steven George

Chief Medical Officer

13

Trades

Troy Edward Wilson

Director

6

Trades

McCarthy Teresa

Chief Human Resources Officer

6

Trades

Flanagan W. Michael

Chief Scientific Officer

5

Trades

Maclean Michael F

CFO

4

Trades

Mosbrooker Eric

Chief Commercial Officer

4

Trades

Gallagher Kathleen P.

Chief Program Officer

3

Trades