KIRSKE DAVID

PrivateCIK: 1276750
Location

BOSTON, MA

InsiderKIRSKE DAVIDCIK 1276750
IssuerX4 PHARMACEUTICALS, INCCIK 1501697
Officer· Chief Financial Officer
Since Aug 2025
+1.55M
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
1
Total transactions
1.55M acquired
Non-Derivative Transactions0
No non-derivative transactions reported
Derivative Transactions1

Stock Option (right to buy)

Direct
A · Award
Converts to

Common Stock

1.55M shares

Shares

+1.55M

Strike price

1.42

Held after

1.55M

Exercisable

10/29/2025
KIRSKE DAVID — Insider Transaction (Form 4) Filed Oct 31, 2025 | Finecho