AXT director receives 754-share equity grant

CHANG DAVID C reported acquisition or exercise transactions in this Form 4 filing.

Accepted by SEC EDGAR 06/05/2026 - 02:45 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

CHANG DAVID C reported acquisition or exercise transactions in this Form 4 filing.

AXT INC director David C. Chang reported an equity award of 754 shares of common stock. The grant was calculated using a share price of $105.99, the closing price on June 4, 2026, and will vest on May 14, 2027. After this award, Chang directly holds 73,498 common shares.

Insider Trade Summary

Grant/Award: 754 shares

Grant/Award 1 txn

Insider CHANG DAVID C

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	754	$0.00	$0.00

Holdings After Transaction: Common Stock — 73,498 shares (Direct)

Holdings Before and After: Common Stock, 72,744 to 73,498 shares (Direct)

Footnotes (1)

1. F1. Represents an annual equity grant of common stock calculated based upon $105.99, which was the closing price of the Issuer's common stock on June 4, 2026 (the "Grant Date"), and vests on May 14, 2027.

Key Figures

Shares granted: 754 shares Grant pricing basis: $105.99 per share Shares held after grant: 73,498 shares +2 more

5 metrics

Shares granted 754 shares Annual equity grant of common stock on June 4, 2026

Grant pricing basis $105.99 per share Closing price of AXT common stock on June 4, 2026

Shares held after grant 73,498 shares Direct common stock holdings following the reported transaction

Grant date June 4, 2026 Date of annual equity grant used for pricing

Vesting date May 14, 2027 Date when the 754-share grant vests

Key Terms

annual equity grant, closing price, vests, common stock

4 terms

annual equity grant financial

"Represents an annual equity grant of common stock calculated based upon $105.99"

closing price financial

"calculated based upon $105.99, which was the closing price of the Issuer's common stock"

vests financial

"the Issuer's common stock on June 4, 2026 (the "Grant Date"), and vests on May 14, 2027"

common stock financial

"Represents an annual equity grant of common stock calculated based upon $105.99"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

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

David C. Chang reported receiving a grant of 754 AXT common shares as equity compensation. The award was calculated using a $105.99 closing share price on June 4, 2026, and will vest on May 14, 2027, increasing his direct holdings to 73,498 shares.

Was the AXT (AXTI) Form 4 transaction a stock purchase or a grant?

The Form 4 discloses a stock grant, not an open-market purchase. David C. Chang received 754 common shares as an annual equity grant with no cash paid, calculated using the $105.99 closing price on June 4, 2026, and vesting on May 14, 2027.

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

Following the reported grant, David C. Chang directly holds 73,498 AXT common shares. This total reflects the addition of 754 shares from the June 4, 2026 annual equity grant, which was based on the company’s $105.99 closing share price and vests in May 2027.

What is the pricing basis for David C. Chang’s AXT (AXTI) equity grant?

The grant was calculated using a share price of $105.99, AXT’s closing common stock price on June 4, 2026. Although the Form 4 lists a zero transaction price, this closing price determined the size of the 754-share annual equity award that vests in May 2027.

When does David C. Chang’s new AXT (AXTI) stock grant vest?

The 754-share AXT common stock grant to David C. Chang vests on May 14, 2027. The award was granted on June 4, 2026 as an annual equity grant, calculated using the $105.99 closing share price, and increases his direct holdings to 73,498 shares once reported.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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 CALIFORNIA 94538

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026

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

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

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

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	06/04/2026		A		754	A	(1)	73,498	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:

1. Represents an annual equity grant of common stock calculated based upon $105.99, which was the closing price of the Issuer's common stock on June 4, 2026 (the "Grant Date"), and vests on May 14, 2027.

	/s/ Jeff Sensiba, Attorney-in-Fact	06/05/2026
	** 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.
* Form 4: SEC 1474 (03-26)