Home/Filings/4/0001276750-25-000004
4//SEC Filing

KIRSKE DAVID 4

Accession 0001276750-25-000004

CIK 0001501697other

Filed

Oct 30, 8:00 PM ET

Accepted

Oct 31, 4:41 PM ET

Size

5.8 KB

Accession

0001276750-25-000004

Insider Transaction Report

Form 4
Period: 2025-10-29
KIRSKE DAVID
Chief Financial Officer
Transactions
  • Award

    Stock Option (right to buy)

    2025-10-29+1,552,7691,552,769 total
    Exercise: $1.42Exp: 2035-08-12Common Stock (1,552,769 underlying)
Footnotes (1)
  • [F1]Represents stock options granted to the Reporting Person on August 12, 2025, which were subject to a performance-based vesting condition that was satisfied on October 29, 2025. One third of the shares subject to the option shall vest on August 12, 2026, with the remainder vesting in equal installments each successive month thereafter for a period of 24 months, subject to the Reporting Person continuing to provide services through each such date.

Issuer

X4 Pharmaceuticals, Inc

CIK 0001501697

Entity typeother

Related Parties

1
  • filerCIK 0001276750

Filing Metadata

Form type
4
Filed
Oct 30, 8:00 PM ET
Accepted
Oct 31, 4:41 PM ET
Size
5.8 KB