AXT INC — Director's Dealing 2026

Mar 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AXT INC (AXTI)
CIK: 0001051627
Period of Report: 2026-02-26

Reporting Person: FISCHER GARY L (CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-26	Common Stock	M	65685	$5.21	Acquired	503400	Direct
2026-02-26	Common Stock	M	34203	$9.50	Acquired	537603	Direct
2026-02-26	Common Stock	M	55500	$5.77	Acquired	593103	Direct
2026-02-26	Common Stock	M	92440	$3.06	Acquired	685543	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-26	Stock Option (Right to Buy)	$5.21	M	65685	Disposed	2026-10-28	Common Stock (65685)	Direct
2026-02-26	Stock Option (Right to Buy)	$9.50	M	34203	Disposed	2027-10-27	Common Stock (34203)	Direct
2026-02-26	Stock Option (Right to Buy)	$5.77	M	55500	Disposed	2028-11-05	Common Stock (55500)	Direct
2026-02-26	Stock Option (Right to Buy)	$3.06	M	92440	Disposed	2029-11-06	Common Stock (92440)	Direct

Footnotes

F1: Represents the exercise of options which were originally granted on 10/28/2016 and became first exercisable on 10/28/2017. All of the shares subject to this option are fully vested.

F2: Represents the exercise of options which were originally granted on 10/27/2017 and became first exercisable on 10/27/2018. All of the shares subject to this option are fully vested.

F3: Represents the exercise of options which were originally granted on 11/5/2018 and became first exercisable on 11/5/2019. All of the shares subject to this option are fully vested.

F4: Represents the exercise of options which were originally granted on 11/6/2019 and became first exercisable on 11/6/2020. All of the shares subject to this option are fully vested.