XFOR: X4 Pharmaceuticals, Inc insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
1 open-market buys totaling $12K and 1 sales totaling $34K in the last 180 days.
Insider buys
| Score | Ticker | Company | Insider | Role | Trade date | Value | Holding + | Cluster |
|---|---|---|---|---|---|---|---|---|
| 24 | XFOR | X4 Pharmaceuticals, Inc | Craig Adam R | Chair | 2026-10-16 | $12K | 1% |
Insider sales
| Trade date | Insider | Role | Value | 10b5-1 plan |
|---|---|---|---|---|
| 2026-10-01 | Kirske David | CFO | $34K |
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-10-07 | Fell below 5% | FMR LLC | 4.60% | SEC | |
| 2026-09-21 | New 13G stake | Venrock Healthcare Capital Partners III, L.P. | 5.60% | SEC |
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