# EDGAR Filing Document

**Accession Number:** 0001051627
**File Stem:** 0001437749-25-027026
**Filing Date:** 2025-8
**Character Count:** 9083
**Document Hash:** 9fea2ec925a02a2468c7056862576a3b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001437749-25-027026.hdr.sgml**: 20250814

**ACCESSION NUMBER**: 0001437749-25-027026

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250729

**FILED AS OF DATE**: 20250814

**DATE AS OF CHANGE**: 20250814

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** LEBLANC LEONARD J
- **CENTRAL INDEX KEY:** 0001244065

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-24085
- **FILM NUMBER:** 251221269

**MAIL ADDRESS:**
- **STREET 1:** 18309 TWIN CREEKS ROAD
- **CITY:** MONTE SERENO
- **STATE:** CA
- **ZIP:** 95030
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AXT INC
- **CENTRAL INDEX KEY:** 0001051627
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 943031310
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 4281 TECHNOLOGY DR.
- **CITY:** FREMONT
- **STATE:** CA
- **ZIP:** 94538
- **BUSINESS PHONE:** 510.438.4734

**MAIL ADDRESS:**
- **STREET 1:** 4281 TECHNOLOGY DR.
- **CITY:** FREMONT
- **STATE:** CA
- **ZIP:** 94538

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AMERICAN XTAL TECHNOLOGY
- **DATE OF NAME CHANGE:** 19971217

## Ex-24

**Exhibit 24**

**LIMITED POWER OF ATTORNEY** 

**FOR REPORTING UNDER SECTION 16** 

**AXT, INC.** 

Know all by these presents, that the undersigned hereby constitutes and appoints Jeff Sensiba as the undersigned's true and lawful attorney-in-fact, each acting alone, with full powers of substitution for the undersigned and in the undersigned's name, place and stead, in any and all capacities, to:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) prepare and execute for and on behalf of the undersigned, any and all Forms 3, 4, 5 and any Schedules 13D or 13G in connection with the undersigned's reporting obligations pursuant to Section 16 of the Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated thereunder;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) to do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Forms 3, 4, 5 and any Schedules 13D or 13G, complete and execute any amendment or amendments thereto, and file any such form with the United States Securities and Exchange Commission and any stock exchange or similar authority, and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned. It being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Limited Power of Attorney For Reporting under Section 16 ("Power of Attorney") shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion.

The undersigned hereby grants to each attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.

This Power of Attorney shall remain in full force and effect until the undersigned is no longer an executive officer, director or beneficial owner of more than 5% of the securities of Flux Power Holdings, Inc. or unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 12<sup>th</sup> day of August, 2025.

&nbsp;&nbsp;&nbsp;&nbsp;<u>/s/ Leonard J. Leblanc</u> <br> Name: Leonard J. Leblanc<br>

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>LEBLANC LEONARD J<br><sub>(Last) (First) (Middle)</sub><br>4281 TECHNOLOGY DRIVE<br><sub>(Street)</sub><br>FREMONT, CA 94538<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-07-29 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>AXT INC [ AXTI ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-07-29 |  | A |  | 29112 | A | <sup>(1)</sup> | 122512 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Represents an equity grant of common stock based on a prorated grant calculated based on $2.29, which was the closing price of the Issuer's common stock on July 29, 2025, and vests on May 15, 2026, subject to the Reporting Person's continuous service through the vesting date.

**Signature:** /s/ Jeff Sensiba, by power of attorney for Leonard J LeBlanc  
**Date:** 2025-08-14

### Remarks:

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.**