Mosbrooker Eric Insider Trading Activity
Mosbrooker Eric has been net-selling over the last 12 months with 0 purchases and 4 sales across 1 company.
RNA is the most-traded position with 4 trades. The largest single transaction was a sale of RNA for $5.5M on Aug 6, 2025.
Performance Scorecard
Forward stock performance after each transaction by Mosbrooker Eric. 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.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -20.6% | 25% | 4 |
| 90 days | — | -57.0% | 0% | 4 |
| 120 days | — | -59.5% | 0% | 4 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersRNA · Avidity Biosciences, Inc.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Oct 3, 2025 | RNA | Sell | 6,562 | $45.38 | $298K | −10.7% | Chief Commercial Officer | |
Sep 3, 2025 | RNA | Sell | 6,563 | $47.07 | $309K | −10.7% | Chief Commercial Officer | |
Aug 6, 2025 | RNA | Sell | 124,687 | $44.06 | $5.5M | −67.1% | Chief Commercial Officer | |
Aug 6, 2025 | RNA | Sell | 6,120 | $44.06 | $270K | −10.0% | Chief Commercial Officer |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| RNA | Avidity Biosciences, Inc. | 4 | $6.4M |
Other insiders at Avidity Biosciences, Inc.
7 other tracked filers at RNA.