GREY MICHAEL G (CIK 1240122) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-12-23). Recent activity: Buy MIRM (50,000 shares), Sell MIRM (50,000 shares), Buy MIRM (50,000 shares), Sell MIRM (50,000 shares), Buy MIRM (50,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-23 | Mirum Pharmaceuticals, Inc. (MIRM) | Director | Buy | 50,000 | $147,000 |
| 2025-12-23 | Mirum Pharmaceuticals, Inc. (MIRM) | Director | Sell | 50,000 | $3.9M |
| 2025-12-02 | Mirum Pharmaceuticals, Inc. (MIRM) | Director | Buy | 50,000 | $147,000 |
| 2025-12-02 | Mirum Pharmaceuticals, Inc. (MIRM) | Director | Sell | 50,000 | $3.7M |
| 2025-11-25 | Mirum Pharmaceuticals, Inc. (MIRM) | Director | Buy | 50,000 | $147,000 |
| 2025-11-25 | Mirum Pharmaceuticals, Inc. (MIRM) | Director | Sell | 50,000 | $3.5M |
Source: SEC Form 4 filings · as of 2025-12-23