SCHEDULE 13G

AXT Inc

Common Stock, $0.001 par value · CUSIP: 00246W103

Event date: 2026-11-03

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• JANE STREET GROUP, LLC

  Shares: 4,246,421.00 · Class: 6.5%

• Jane Street Capital, LLC

  Shares: 3,433,883.00 · Class: 5.2%

• Jane Street Global Trading, LLC

  Shares: 812,538.00 · Class: 1.2%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.