Mosbrooker Eric (CIK 1715283) reported 11 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-02-27). Recent activity: Sell RNAM (79,413 shares), Buy RNA (72,000 shares), Sell RNA (36,564 shares), Sell RNA (11,426 shares), Buy RNA (6,562 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-27 | Avidity Biosciences, Inc. (RNAM) | Chief Commercial Officer | Sell | 79,413 | $0 |
| 2025-12-19 | Avidity Biosciences, Inc. (RNA) | Chief Commercial Officer | Buy | 72,000 | $0 |
| 2025-12-19 | Avidity Biosciences, Inc. (RNA) | Chief Commercial Officer | Sell | 36,564 | $2.6M |
| 2025-12-19 | Avidity Biosciences, Inc. (RNA) | Chief Commercial Officer | Sell | 11,426 | $821,187 |
| 2025-10-07 | Avidity Biosciences, Inc. (RNA) | Chief Commercial Officer | Buy | 6,562 | $59,386 |
| 2025-10-07 | Avidity Biosciences, Inc. (RNA) | Chief Commercial Officer | Sell | 6,562 | $297,784 |
| 2025-09-05 | Avidity Biosciences, Inc. (RNA) | Chief Commercial Officer | Buy | 6,563 | $59,395 |
| 2025-09-05 | Avidity Biosciences, Inc. (RNA) | Chief Commercial Officer | Sell | 6,563 | $308,920 |
| 2025-08-08 | Avidity Biosciences, Inc. (RNA) | Chief Commercial Officer | Buy | 124,687 | $1.1M |
| 2025-08-08 | Avidity Biosciences, Inc. (RNA) | Chief Commercial Officer | Sell | 124,687 | $5.5M |
| 2025-08-08 | Avidity Biosciences, Inc. (RNA) | Chief Commercial Officer | Sell | 6,120 | $269,647 |
Source: SEC Form 4 filings · as of 2026-02-27