Trade Summary

2 days ago, Kirske David, serving as CFO at X4 Pharmaceuticals, Inc (XFOR), sold 16,961 shares at $4.29 per share, for a total transaction value of $72,820.00. Following this transaction, Kirske David now holds 176,293 shares of XFOR.

This sale represents a 9.00% decrease in Kirske David's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Tuesday, May 12, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, May 13, 2026, 1 day after the trade was made.

X4 Pharmaceuticals, Inc operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.