Welcome to our dedicated page for TRIO-TECH INTERNATIONAL SEC filings (Ticker: TRT), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on TRIO-TECH INTERNATIONAL's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.
Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time EDGAR feed updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into TRIO-TECH INTERNATIONAL's regulatory disclosures and financial reporting.
Trio-Tech International filed an amended ownership report showing that CEO, President and Chairman Siew Wai Yong beneficially owns 1,470,290 shares of common stock, including options, equal to about 16.9% of the company’s outstanding shares as of November 1, 2025.
The total includes options to purchase 210,043 shares that are exercisable within 60 days of the report date. On January 27, 2026, Mr. Yong exercised an option to acquire 80,111 shares at an exercise price of $2.64 per share. He states he holds the shares for investment and currently has no plans for major corporate actions.
Trio-Tech International's President and CEO, Yong Siew Wai, reported an option exercise involving company stock. On January 27, 2026, he exercised options to acquire 80,111 shares of TRT common stock at an exercise price of $2.64 per share.
These shares are held as direct ownership, bringing his directly owned TRT common stock to 1,260,247 shares after the transaction. The related derivative position, covering the right to buy TRT common stock at $2.64, was reduced to zero following this exercise, indicating the options involved were fully exercised.
Zeff Capital, LP, Zeff Holding Company, LLC and Daniel Zeff report beneficial ownership of 511,175 shares of Trio-Tech International common stock, representing 5.9% of the class. The percentage is based on 4,350,555 shares outstanding as of November 1, 2025, as disclosed in Trio-Tech’s Form 10-Q and adjusted for a 2-for-1 forward stock split effective January 2, 2026, resulting in 8,701,110 shares outstanding.
After the split, both the reporting group’s holdings and the total shares outstanding doubled, leaving their ownership at the same 5.9% level. Zeff Capital, LP and Zeff Holding Company, LLC report shared voting and dispositive power over 503,916 shares, while Daniel Zeff holds an additional 7,259 shares with sole voting and dispositive power. The filers certify that the securities are not held for the purpose of changing or influencing control of Trio-Tech International.
Trio-Tech International director Ting Hock Ming reported multiple open-market stock sales in January 2026. The Form 4 shows sales of 3,000 shares of common stock at $6.63 per share on January 6, 2026, 3,000 shares at $6.90 per share on January 15, 2026, and 70 shares at $6.78 per share on January 16, 2026.
After these transactions, Ting Hock Ming directly held 183,644 shares of Trio-Tech International common stock. All reported transactions are in non-derivative common stock and are classified with transaction code “S,” indicating sales.
Trio-Tech International director Ting Hock Ming reported a sale of company stock. On January 12, 2026, he sold 5,000 shares of TRT common stock in an open market transaction at a weighted average price of $7.082 per share, with individual trade prices ranging from $7.03 to $7.13.
After this transaction, Ting Hock Ming beneficially owns 189,714 shares of Trio-Tech International common stock, held in direct ownership. The filing notes that detailed trade-by-trade pricing within the reported range is available upon request from the company, its security holders, or the SEC staff.
Trio-Tech International reported that its chairman, CEO, director, and 10% owner Yong Siew Wai received an award of 80,000 stock options for Common Stock on 01/09/2026. These options give a right to buy Trio-Tech common shares at an exercise price of $6.92 per share, with no cash price reported for receiving the options themselves.
According to the vesting terms, 20,000 options vest on the grant date, and the remaining 60,000 vest in three equal annual installments after that date. Following this grant, the filing shows 70,000 derivative securities beneficially owned on a direct basis by Yong Siew Wai. This transaction reflects equity-based compensation aligning the CEO’s interests with the company’s long-term performance.
Trio-Tech International director and 10% owner Richard M. Horowitz reported receiving stock options on common stock. On January 9, 2026, he was granted 70,000 stock options with a right to buy Trio-Tech common shares at an exercise price of $6.92 per share, expiring on January 8, 2031. The filing shows these options are held as direct ownership.
According to the vesting terms, 8,750 options vest on the grant date, and the remaining options vest in seven equal quarterly installments after that. Following this grant, Horowitz beneficially owns 70,000 derivative securities related to Trio-Tech common stock.
Trio-Tech International director Ting Hock Ming reported a grant of 60,000 stock options to buy common stock at an exercise price of $6.92 per share. The options were granted on January 9, 2026 and are exercisable until January 8, 2031.
According to the filing, 7,500 of these options vest on the grant date, and the remaining options vest in equal amounts over seven quarterly installments. After this grant, Ting Hock Ming beneficially owns 70,000 derivative securities relating to Trio-Tech International common stock, held directly.
Trio-Tech International director Jason T. Adelman was granted stock options covering 70,000 shares of common stock. The options have an exercise price of $6.92 per share, were granted on January 9, 2026, and expire on January 8, 2031. The grant was reported as a direct holding.
According to the vesting terms, 8,750 of these stock options vest on the grant date, with the remaining options vesting in seven equal quarterly installments afterward. Following this award, Adelman beneficially owns 70,000 derivative securities in the form of these options.
Trio-Tech International director and 10% owner Richard M. Horowitz reported selling common stock in a recent transaction. On January 7, 2026, he sold 7,500 shares of Trio-Tech International common stock at a price of $7.5037 per share.
After this sale, Horowitz beneficially owned 621,500 shares of Trio-Tech International common stock in direct ownership form. The filing reflects a routine insider transaction disclosure for a major shareholder and board member.