Volpone John (CIK 2081729) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-13). Recent activity: Sell XFOR (24,576 shares), Buy XFOR (289,881 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-13 | X4 Pharmaceuticals, Inc (XFOR) | President | Sell | 24,576 | $109,228 |
| 2025-08-14 | X4 Pharmaceuticals, Inc (XFOR) | President | Buy | 289,881 | $0 |
Source: SEC Form 4 filings · as of 2026-08-13