Trio-Tech International
Organization details
- Legal name
- Trio-Tech International
- Ownership
- Public
- Status
- Active
- Sector (GICS)
- Industrials
- SIC code
- 3559 — Special Industry Machinery, NEC
- Jurisdiction of incorporation
- California
- Headquarters city
- Van Nuys
- Headquarters state / province
- California
- Headquarters country
- Singapore
- Fiscal year end
- June
- Ticker symbol
- TRT
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000732026
- EIN
- 95-2086631
Board of directors
-
A. Charles Wilson · DirectorSince 2023
-
Hock Ming Ting · DirectorSince 2023
-
Jason T. Adelman · DirectorSince 2023
-
Richard M. Horowitz · DirectorSince 2023
-
Siew Wai Yong · Director · CHAIRMAN AND CEOSince 2023
Chief executives
Director election results
Annual meeting of December 10, 2025. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
80.2%
-
81.2%
-
87.3%
Board connections
1 of this board's directors also sit on 2 other boards. 1 is in the same sector.
-
Greenwave Technology Solutions Inc. Same sectorvia Jason T. Adelman
- via Jason T. Adelman
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $3,030,094
- 30 sales by 3 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 28, 2026 | Srinivasan Anitha Officer (CHIEF FINANCIAL OFFICER) | Option exercise | +8,005 | $2.51 | $20,093 |
| Sep 28, 2026 | Siew Wai Yong Director, Officer (CHAIRMAN AND CEO), 10% owner | Option exercise | +50,000 | $3.88 | $194,000 |
| Jul 27, 2026 | Srinivasan Anitha Officer (CHIEF FINANCIAL OFFICER) | Option exercise | +3,000 | $2.59 | $7,770 |
| Jul 27, 2026 | Srinivasan Anitha Officer (CHIEF FINANCIAL OFFICER) | Option exercise | +3,002 | $2.44 | $7,325 |
| Jun 23, 2026 | Jason T. Adelman Director | Option exercise | +70,000 | $3.11 | $217,700 |
| Jun 19, 2026 | Jason T. Adelman Director | Open-market sale | −5,000 | $14.88 | $74,400 |
| Jun 18, 2026 | Jason T. Adelman Director | Open-market sale | −5,000 | $15.84 | $79,200 |
| May 28, 2026 | Jason T. Adelman Director | Option exercise | +40,000 | $3.88 | $155,200 |
| May 28, 2026 | Jason T. Adelman Director | Option exercise | +70,094 | $2.57 | $180,142 |
| May 26, 2026 | Hock Ming Ting Director | Open-market sale | −17,200 | $16.65 | $286,380 |
| May 19, 2026 | Jason T. Adelman Director | Open-market sale | −9,358 | $14.01 | $131,106 |
| May 19, 2026 | Jason T. Adelman Director | Open-market sale | −5,617 | $13.97 | $78,469 |
| May 18, 2026 | Richard M. Horowitz Director, 10% owner | Open-market sale | −67,500 | $18.10 | $1,221,750 |
| May 18, 2026 | Jason T. Adelman Director | Option exercise | +39,750 | $2.25 | $89,438 |
| May 18, 2026 | Jason T. Adelman Director | Open-market sale | −10,000 | $18.76 | $187,600 |
Peers
Compare boardsOrganizations in the same sector, closest in location and size first.
Questions about Trio-Tech International
Who is the CEO of Trio-Tech International?
Siew Wai Yong is Trio-Tech International's PRESIDENT AND CEO.
How many directors are on Trio-Tech International's board?
Trio-Tech International's board has 5 directors: A. Charles Wilson, Hock Ming Ting, Jason T. Adelman, Richard M. Horowitz and Siew Wai Yong.
Are Trio-Tech International insiders buying or selling shares?
Over the last 12 months, Trio-Tech International insiders made no open-market purchases and sold $3.0 million of shares in 30 sales on the open market, as reported to the SEC on Forms 4 and 5.
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