InsiderTrades

KIRSKE DAVID

SEC CIK 1276750 · EDGAR

Buying vs selling by month open-market trades, last 24 months, XFOR
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
XFORX4 Pharmaceuticals, IncCFO 167.8K — $109.2K 32025-08-142026-06-30

Most active insiders at XFOR, 12 months

#InsiderTitleBoughtSold
1 Craig Adam RExecutive COB, Dir $250.0K$210.8K
2 KIRSKE DAVIDCFO —$109.2K
3 Volpone JohnPres —$109.2K

Transactions 3

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-07-01 16:23 2026-06-30 XFOR X4 Pharmaceuticals, Inc KIRSKE DAVID CFO S - Sale $4.26 -8,543 167.8K -5% -$36.4K
2026-05-13 16:02 2026-05-12 XFOR X4 Pharmaceuticals, Inc KIRSKE DAVID CFO S - Sale $4.29 -17.0K 176.3K -9% -$72.8K
D 2025-08-14 2025-08-14 XFOR X4 Pharmaceuticals, Inc KIRSKE DAVID CFO A - Grant $0.00 +193.3K 193.3K New $0

Purchase Sale Sale after option exercise All abbreviations