XFOR insider trading — X4 Pharmaceuticals, Inc
Over the last 90 days, insiders at X4 Pharmaceuticals, Inc (XFOR) made 0 open-market purchases worth $0 and 3 open-market sales worth $354K, making them net sellers by $354K. The largest sale was by Craig Adam R (Executive Chairman), who sold 47,436 shares for $211K on Aug 12, 2026.
Updated Oct 16, 2026.
Recent XFOR insider transactions
Every Form 4 filed by X4 Pharmaceuticals, Inc officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | Kirske David | Chief Financial Officer | S · Sale | Direct | 11,767 | $2.86 | $34K | Form 4 |
| Aug 12, 2026 | Volpone John | President | S · Sale | Direct | 24,576 | $4.44 | $109K | Form 4 |
| Aug 12, 2026 | Craig Adam R | Executive Chairman | S · Sale | Direct | 47,436 | $4.44 | $211K | Form 4 |
XFOR insider trading FAQ
Are insiders buying XFOR stock?
Not on the open market. In the last 90 days, X4 Pharmaceuticals, Inc insiders made no open-market purchases, and 3 open-market sales totaling $354K. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading XFOR?
Recent sellers: Craig Adam R, Kirske David, Volpone John.
Where does XFOR insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.