Every Form 4 that Trio-Tech International (TRT) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow TRT and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full TRT filings page.
TRIO-TECH INTERNATIONAL reported that its Chief Financial Officer, Anitha Srinivasan, exercised stock options on July 27, 2026. She exercised derivative "Common Stock (Right to Buy)" awards for 3,000 shares at $2.59 and 3,002 shares at $2.44 per share, acquiring an equal total of 6,002 shares of TRT common stock through direct ownership. These transactions are classified as exercises or conversions of derivative securities, with the related options expiring in 2027 and 2028, and the filing does not indicate use of a Rule 10b5-1 trading plan.
TRIO-TECH INTERNATIONAL senior corporate vice president and COO (Testing) Lim Hwee Poh received a grant of stock options covering 5,000 shares of common stock. The options have an exercise price of $9.74 per share and expire on July 6, 2031. According to the footnote, 1,250 of these options vest on the grant date, with the remaining 3,750 vesting in three equal annual installments thereafter. Following this award, the filing shows 5,000 derivative securities held directly.
TRIO-TECH INTERNATIONAL reported a Form 4 for Chief Financial Officer Anitha Srinivasan showing a grant of stock options. She acquired derivative rights to buy 5,000 shares of common stock at an exercise price of $9.74 per share, expiring on July 6, 2031. According to the footnote, 1,250 options vest immediately on the grant date, with the remaining options vesting in three equal annual installments. Following this compensation award, she holds 5,000 derivative securities directly.
TRIO-TECH INTERNATIONAL director Jason T. Adelman reported option exercises and share sales. On June 23, 2026, he exercised derivative securities to acquire 70,000 shares of Common Stock at an exercise price of $3.11 per share, increasing his direct holdings.
Before that, he completed open-market sales of 5,000 shares at $15.84 per share on June 18, 2026 and 5,000 shares at $14.88 per share on June 19, 2026, for total sales of 10,000 shares. Following these transactions, he directly owns 210,094 shares of Common Stock, and the exercised derivative position is fully converted with no remaining derivative holdings reported.
Trio-Tech International director Jason T. Adelman exercised stock options to acquire additional common shares. He exercised rights to buy 70,094 shares of common stock at an exercise price of $2.57 per share and 40,000 shares at $3.88 per share.
Following these option exercises, the Form 4 shows direct holdings of 150,094 common shares in one line item and 80,000 common shares in another, reflecting his updated reported ownership from the respective grants, with no sales reported in this filing.
TRIO-TECH INTERNATIONAL director Ting Hock Ming reported an open-market sale of 17,200 shares of TRT Common Stock on May 26, 2026. The shares were sold at a weighted average price of $16.65, across individual trades between $16.21 and $17.22 per share.
After this transaction, Ting Hock Ming directly owns 131,044 shares of Trio-Tech International. This filing reflects a partial reduction of his position while retaining a substantial remaining stake in the company.
TRIO-TECH INTERNATIONAL director and 10% owner Richard M. Horowitz reported an open-market sale of 67,500 shares of Common Stock. The sale took place on May 18, 2026 at a weighted average price of $18.1003 per share, with individual trades ranging from $18.10 to $18.13.
After this transaction, Horowitz directly holds 664,784 shares of TRIO-TECH INTERNATIONAL Common Stock. The filing notes that detailed trade-by-trade pricing within the reported range is available upon request from the issuer, security holders, or the SEC staff.
TRIO-TECH INTERNATIONAL director Jason T. Adelman reported a mix of option exercise and share sales. On May 18, 2026, he exercised options for 39,750 shares of common stock at $2.25 per share, converting a derivative position into stock. He then sold a total of 49,975 shares of common stock in open-market transactions on May 18–19, 2026 at prices between $13.97 and $18.76 per share. After these transactions, he held 40,000 shares of Trio-Tech common stock directly.
TRIO-TECH INTERNATIONAL director Jason T. Adelman reported a series of open-market stock sales. Between March 5 and March 16, 2026, he sold a total of 22,000 shares of common stock in four transactions at prices between $5.53 and $5.82 per share. After these sales, he directly holds 50,000 shares of Trio-Tech common stock.
TRIO-TECH INTERNATIONAL senior corporate vice president and COO (Testing) Lim Hwee Poh exercised rights to buy a total of 59,802 shares of TRT common stock on April 29, 2026. The rights converted into common shares at exercise prices ranging from $2.44 to $3.88 per share.
After these derivative exercises, Lim holds 174,466 TRT common shares directly, according to the filing. The transactions are classified as exercises or conversions of derivative securities, with no reported open‑market purchases or sales.
TRIO-TECH INTERNATIONAL director Ting Hock Ming reported open-market sales of 5,800 shares of TRT Common Stock. The sales occurred in two tranches: 3,800 shares at $7.08 per share and 2,000 shares at $7.13 per share. After these transactions, he holds 148,244 shares directly, indicating the sales represent a relatively small portion of his overall position.
Trio-Tech International director Ting Hock Ming sold a total of 7,000 shares of Common Stock in open-market transactions. On April 15, he sold 3,000 shares at $6.99 per share. On April 16, he sold 4,000 shares at a weighted average price of $7.04 per share, with individual trades ranging from $7.02 to $7.04.
After these sales, Ting Hock Ming directly holds 154,044 shares of Trio-Tech International common stock, indicating he retains a substantial equity position in the company despite these routine sales.
Trio-Tech International director Ting Hock Ming reported selling a total of 18,600 shares of common stock in open-market transactions. On April 13, 2026, he sold 6,000 shares at a weighted average price of $6.73 per share, followed by 12,600 shares on April 14, 2026 at a weighted average price of $6.93 per share.
The filing notes these were executed through multiple trades within price ranges of $6.57–$6.84 and $6.90–$6.98, respectively. After the most recent sale, Ting Hock Ming directly holds 161,044 shares of Trio-Tech International common stock.
TRIO-TECH INTERNATIONAL director TING HOCK MING reported an open-market sale of TRT Common Stock. On this Form 4, the director sold 4,000 shares at a price of $6.78 per share. After the transaction, the director directly owns 179,644 shares, indicating that only a small portion of the overall holding was sold.
Trio-Tech International's chief financial officer, Anitha Srinivasan, exercised derivative rights to acquire 7,015 shares of common stock on February 25, 2026. The rights were priced at $0.00 per share and converted into common stock at $3.09 per share, bringing her direct common stock holdings to 26,015 shares, with 3,001 derivative rights reported remaining.
TRIO-TECH INTERNATIONAL director and over-10% owner Richard M. Horowitz exercised derivative securities into common stock. On this transaction date, he converted rights into 40,056 TRT common shares at a price of $2.64 per share, bringing his directly held stake to 661,556 common shares.
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.
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.
Trio-Tech International director Ting Hock Ming reported selling 6,600 shares of TRT common stock. The sales took place on January 7, 2026 in four separate transactions: 2,000 shares at $7.20, 2,000 shares at $7.38, 2,000 shares at $7.47, and 600 shares at $7.52 per share.
After these transactions, he directly owned 194,714 shares of Trio-Tech International common stock. These reported trades reflect a change in his personal equity position as a company director.
Trio-Tech International (TRT) reported an insider transaction. Director Jason T. Adelman exercised stock options (transaction code M) for 20,000 shares of common stock at $5.27 on 10/13/2025, increasing his direct holdings to 38,000 shares.
The options were exercisable from 02/19/2021 and expire on 02/18/2026. Following the exercise, the filing shows 0 derivative securities remaining.
Trio‑Tech International (TRT) reported insider activity by its Chief Financial Officer. On 10/13/2025, the officer exercised stock options and acquired 4,500 common shares at $4.875 and 3,500 shares at $5.01 via option exercises (code M). Following these transactions, the officer directly owned 9,500 Trio‑Tech common shares.