X4 Pharmaceuticals, Inc insider trading
XFOR$2.77-0.13 (-4.48% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 6, 2025 to Oct 6, 2026. Price (-17.8%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ3 '25Q4 '25Q1 '26Q2 '26Q3 '26Q4 '26
Unlock quarterly net flowKey players
- ARAdam R. Craig0.3315%
- JVJohn Volpone0.2676%
- DKDavid Kirske0.1573%
- PRPaula Ragan0.1122%
- MDMary DiBiase0.0384%
- CAChristophe Arbet-Engels0.0291%
- ASAdam S. Mostafa0.0286%
- MBMark Baldry0.0256%
- ATArthur Taveras0.013%
- NFNatasha Fay Thoren0.0095%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| XFOR | David Kirske | Open market sell$33.7K | -7.0% | $2.86 | $33.7K | Oct 1, 2026 | Oct 5, 2026 |
| XFOR | John Volpone | Open market sell$109K | -8.5% | $4.44 | $109K | Aug 12, 2026 | Aug 13, 2026 |
| XFOR | Adam R. Craig | Open market sell$211K | -12.6% | $4.44 | $211K | Aug 12, 2026 | Aug 13, 2026 |
| XFOR | David Kirske | Open market sell$36.4K | -4.9% | $4.26 | $36.4K | Jun 30, 2026 | Jul 1, 2026 |
| XFOR | David Kirske | Open market sell$72.8K | -8.8% | $4.29 | $72.8K | May 12, 2026 | May 13, 2026 |
| XFOR | Adam R. Craig | Open market purchase$250K | +29.7% | $2.90 | $250K | Oct 23, 2025 | Oct 27, 2025 |