Tsai John (CIK 1960467) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-07-21). Recent activity: Sell BPMC (3,902 shares), Sell BPMC (8,742 shares), Buy BPMC (3,902 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-07-21 | Blueprint Medicines Corp (BPMC) | Director | Sell | 3,902 | $0 |
| 2025-07-21 | Blueprint Medicines Corp (BPMC) | Director | Sell | 8,742 | $0 |
| 2025-06-24 | Blueprint Medicines Corp (BPMC) | Director | Buy | 3,902 | $499,924 |
Source: SEC Form 4 filings · as of 2025-07-21