# EDGAR Filing Document

**Accession Number:** 0001247602
**File Stem:** 0001247602-26-000005
**Filing Date:** 2026-1
**Character Count:** 7343
**Document Hash:** b4da75e88bc91aaa2eac6e50ffd6ab80
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001247602-26-000005.hdr.sgml**: 20260129

**ACCESSION NUMBER**: 0001247602-26-000005

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260129

**DATE AS OF CHANGE**: 20260129

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TRIO-TECH INTERNATIONAL
- **CENTRAL INDEX KEY:** 0000732026
- **STANDARD INDUSTRIAL CLASSIFICATION:** SPECIAL INDUSTRY MACHINERY, NEC [3559]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 952086631
- **STATE OF INCORPORATION:** CA
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-39711
- **FILM NUMBER:** 26576346

**BUSINESS ADDRESS:**
- **STREET 1:** 16139 WYANDOTTE ST.
- **CITY:** VAN NUYS
- **STATE:** CA
- **ZIP:** 91406
- **BUSINESS PHONE:** 818-787-7000

**MAIL ADDRESS:**
- **STREET 1:** 16139 WYANDOTTE ST.
- **CITY:** VAN NUYS
- **STATE:** CA
- **ZIP:** 91406

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** TRIO TECH INTERNATIONAL
- **DATE OF NAME CHANGE:** 19920703
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** YONG SIEW WAI
- **CENTRAL INDEX KEY:** 0001247602

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**MAIL ADDRESS:**
- **STREET 1:** 7 PANDAN VALLEY
- **STREET 2:** 16-502 POINCIANA TOWER
- **CITY:** SINGAPORE
- **STATE:** U0
- **ZIP:** 597631

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** YONG S W
- **DATE OF NAME CHANGE:** 20030625

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 2)**

**TRIO-TECH INTERNATIONAL**

*(Name of Issuer)*

**Common Stock, no par value**

*(Title of Class of Securities)*

**896712205**

*(CUSIP Number)*

**Siew Wai Yong**<br>7 Pandan valley, 16-502 Poinciana Tower<br>Singapore U0 597631<br>(65) 6265 3300

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**01/27/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **896712205** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**YONG SIEW WAI** | Name of reporting person<br>**YONG SIEW WAI** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**U0** | Citizenship or place of organization<br>**U0** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**1470290.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**1470290.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1470290.00** | Aggregate amount beneficially owned by each reporting person<br>**1470290.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**16.9%** | Percent of class represented by amount in Row (11)<br>**16.9%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** (1)	Includes 1,260,247 shares of the Issuer's common stock, no par value ("Common Stock") and options to purchase 210,043 shares of Common Stock exercisable within 60 days of the date of this report.
(2)	Based on 8,701,110 shares of the Common Stock issued and outstanding as of November 1, 2025, based on the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission (the "SEC") on November 14, 2025.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, no par value

**(b) Name of Issuer:**
TRIO-TECH INTERNATIONAL

**(c) Address of Issuer's Principal Executive Offices:**
Block 1008 Toa Payoh North, Unit 03-09, Singapore, U0, 318996

This Amendment No. 2 ("Amendment") to Schedule 13D amends and supplements the statement on 13D originally filed on June 3, 2010, as amended April 6, 2023, by furnishing the information set forth below. Except as otherwise specified in this Amendment, all previous Items are unchanged. Capitalized terms used herein which are not defined herein have the meanings given to them in the Schedule 13D, as previously amended, filed with the Securities and Exchange Commission ("SEC").

**Item 4. Purpose of Transaction**

Mr. Yong holds the shares of Company Common Stock beneficially owned and deemed to be beneficially owned by him for investment. The Reporting Person has no current plans or proposals which relate to or would result in any of the matters described in paragraphs (a) though (j) of Item 4 of Schedule 13D. Mr. Yong may in the future acquire additional shares of Common Stock or other Issuer securities or dispose of some or all of the shares of Common Stock or other securities held by the Reporting Person in open-market transactions or privately negotiated transactions, on such terms and at such times as the Reporting Person may deem advisable subject to applicable securities law and regulations.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Mr. Yong may be deemed to beneficially own an aggregate of 1,470,290 shares of the Issuer's common stock, including 210,043 options to purchase shares of Common Stock (the "Options") exercisable within 60 days of the date of this report, representing approximately 16.90% of the Issuer's shares of common stock outstanding.

The percentage of ownership of shares set forth in this Schedule 13D is based on 8,701,110 shares of Common Stock outstanding as of November 1, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 14, 2025.

**(b)**
Sole power to vote: 1,470,290
Shared power to vote: 0
Sole power to dispose: 1,470,290
Shared power to dispose: 0

**(c)**
On January 27, 2026, Mr. Yong exercised an option to acquire 80,111 shares of common stock at an exercise price of $2.64.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

None.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** YONG SIEW WAI

**Signature:** /s/ Siew Wai Yong

**Name/Title:** Siew Wai Yong

**Date:** 01/29/2026