AXT Inc (AXTI) director David Chang sells 20,000 shares

Rhea-AI Filing Summary

AXT Inc director David C. Chang sold 20,000 shares of common stock in an open-market transaction. The sale occurred on March 10, 2026 at an average price of $45.9959 per share. After this transaction, he directly holds 72,744 AXT Inc shares.

Insider Trade Summary

Net Seller: 20,000 shares ($919,918)

Net Sell 1 txn

Insider CHANG DAVID C

Role Director

Sold 20,000 shs ($920K)

Type	Security	Shares	Price	Value
Sale	Common Stock	20,000	$45.9959	$920K

Holdings After Transaction: Common Stock — 72,744 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

CHANG DAVID C

(Last) (First) (Middle)

4281 TECHNOLOGY DR.

(Street)

FREMONT CA 94538

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AXT INC [ AXTI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/10/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/10/2026		S		20,000	D	$45.9959	72,744	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Jeff Sensiba, Attorney-in-Fact	03/12/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did AXT Inc (AXTI) report for David C. Chang?

AXT Inc reported that director David C. Chang executed an open-market sale of 20,000 shares of common stock. The transaction was recorded at an average price of $45.9959 per share, reflecting a discretionary sale of existing holdings.

When did David C. Chang sell AXT Inc (AXTI) shares and at what price?

David C. Chang sold AXT Inc shares on March 10, 2026, in an open-market transaction. He disposed of 20,000 common shares at an average price of $45.9959 per share, according to the Form 4 insider trading report.

How many AXT Inc (AXTI) shares does David C. Chang hold after this Form 4 sale?

Following the reported sale, David C. Chang directly holds 72,744 AXT Inc common shares. This figure represents his remaining direct ownership position after selling 20,000 shares in the March 10, 2026 open-market transaction disclosed in the Form 4.

What type of insider transaction was disclosed for AXT Inc (AXTI)?

The transaction disclosed for AXT Inc was an open-market sale of common stock by director David C. Chang. The Form 4 identifies transaction code “S,” indicating a sale in the open market or a private transaction rather than an option exercise or grant.

Does the AXT Inc (AXTI) Form 4 show any derivative security activity?

The Form 4 filing shows no derivative security transactions for David C. Chang. All reported activity relates to non-derivative common stock, specifically a single open-market sale of 20,000 shares at an average price of $45.9959 per share.