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Insider · CIK 0001276750

David Kirske

cfoofficer

Files at XFOR (X4 Pharmaceuticals, Inc). First filing Oct 5, 2026, latest Oct 5, 2026.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 1
$0 bought, $34k sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

XFOR: X4 Pharmaceuticals, Inc

XFOROct 9, 2026 · close 2.91

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
28Weak
XFORsell
X4 Pharmaceuticals, Inc
$34k
11,767 shares
-7%0% from low-39% from high

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026XFOR
X4 Pharmaceuticals, Inc
SOpen-market sale
Common Stock
-11,767$2.86$34k155,9837 d ago
Oct 29, 2025XFOR
X4 Pharmaceuticals, Inc
AGrant or award
Stock Option (right to buy)derivative
+1,552,769$0.00$01,552,769Oct 31, 2025
Aug 14, 2025XFOR
X4 Pharmaceuticals, Inc
AGrant or award
Common Stock
+193,254$0.00$0193,254Aug 14, 2025
Aug 12, 2025XFOR
X4 Pharmaceuticals, Inc
AGrant or award
Stock Option (right to buy)derivative
+1,073,249$0.00$01,073,249Aug 14, 2025
Aug 14, 2025XFOR
X4 Pharmaceuticals, Inc
AGrant or award
Stock Option (right to buy)derivative
+352,800$0.00$0352,800Aug 14, 2025

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

David Kirske: insider trades and track record | InsiderTell