Form4insider filings, from the source

Company · CIK 0000732026 · SIC 3559 — Special Industry Machinery, NEC · NYSE

TRIO-TECH INTERNATIONAL · TRT

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $21k · 2sales $390k · 6net −$369k
$10k$10k$100k$100k$1M$1MbuyssalesJan 2015Dec 2016Nov 2018Sep 2020Aug 2022Jul 2024Jun 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 27, 2026 MForm 4 →Jul 29, 10:54 am EDTAnitha SrinivasanCHIEF FINANCIAL OFFICER6,002$2.51$15,09532,017—
Jun 23, 2026 MForm 4 →Jun 23, 2:34 pm EDTJason T AdelmanDirector70,000$3.11$217,700210,094—
Jun 18, 2026 SForm 4 →Jun 23, 2:34 pm EDTJason T AdelmanDirector10,000$15.36$153,600140,094−6.66%
Dec 5, 2018 MForm 4 →Dec 6, 8:58 am ESTRichard M HorowitzDirector10,000$3.10$31,000344,364— plan?
Dec 5, 2018 MForm 4 →Dec 6, 8:57 am ESTA Charles WilsonDirector20,000$3.10$62,000—— plan?
Dec 3, 2018 MForm 4 →Dec 3, 6:06 am ESTS W YongPRESIDENT AND CEO, Director, 10% Owner20,000$3.10$62,000484,068— plan?
Nov 29, 2018 MForm 4 →Nov 29, 9:00 pm ESTVictor Hock Ming TingVP AND CFO, Director15,000$3.10$46,500—— plan?
Sep 16, 2018 MForm 4 →Sep 18, 6:12 am EDTA Charles WilsonDirector20,000$3.62$72,400275,500— plan?
Aug 28, 2018 MForm 4 →Aug 29, 9:30 pm EDTVictor Hock Ming TingVP AND CFO, Director15,000$3.62$54,300—— plan?
Aug 27, 2018 MForm 4 →Aug 27, 8:27 am EDTS W YongPRESIDENT AND CEO, Director, 10% Owner20,000$3.62$72,400464,068— plan?
Mar 13, 2018 SForm 4 →Mar 27, 1:40 pm EDTJason T AdelmanDirector6,000$5.86$35,1600−100% plan? late
Mar 5, 2018 SForm 4 →Mar 7, 9:16 pm ESTJason T AdelmanDirector9,000$5.77$51,9406,000−60.0% plan?
Jan 3, 2018 MForm 4 →Jan 5, 6:00 am ESTA Charles WilsonDirector5,000$2.07$10,350255,500— plan?
Dec 27, 2017 GForm 4/A →Mar 9, 2018, 1:23 pm ESTA Charles WilsonDirector10,000——250,500— plan?
Dec 27, 2017 GForm 4 →Jan 3, 2018, 6:00 am ESTA Charles WilsonDirector10,000——250,500— plan? late amended
Nov 20, 2017 SForm 4 →Nov 21, 8:10 am ESTVictor Hock Ming TingVP AND CFO, Director8,011$8.11$64,93391,891−8.02% plan?
Nov 17, 2017 SForm 4 →Nov 20, 4:20 pm ESTVictor Hock Ming TingVP AND CFO, Director4,650$7.88$36,62599,902−4.45% plan?
Nov 10, 2017 MForm 4 →Nov 14, 7:42 pm ESTJason T AdelmanDirector15,000$2.76$41,35015,000— plan?
Nov 10, 2017 SForm 4 →Nov 14, 7:42 pm ESTJason T AdelmanDirector7,400$6.46$47,8040−100% plan?
Jul 8, 2016 PForm 4 →Jul 13, 5:04 pm EDTJason T AdelmanDirector2,400$2.75$6,6107,400+48.0% plan? late
Jan 14, 2015 PForm 4 →Jan 16, 2:18 pm ESTJason T AdelmanDirector5,000$2.92$14,6005,000— plan?

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 27, 2026 MForm 4 →Jul 29, 10:54 am EDTAnitha SrinivasanCHIEF FINANCIAL OFFICER6,002——0—
Jul 7, 2026 AForm 4 →Jul 9, 11:29 am EDTHwee Poh LimSR CORP VP AND COO (TESTING)5,000——5,000—
Jul 7, 2026 AForm 4 →Jul 9, 11:28 am EDTAnitha SrinivasanCHIEF FINANCIAL OFFICER5,000——5,000—
Jun 23, 2026 MForm 4 →Jun 23, 2:34 pm EDTJason T AdelmanDirector70,000——0—
Dec 5, 2018 MForm 4 →Dec 6, 8:58 am ESTRichard M HorowitzDirector—————
Dec 5, 2018 MForm 4 →Dec 6, 8:57 am ESTA Charles WilsonDirector—————
Dec 4, 2018 AForm 4 →Mar 5, 2019, 6:56 am ESTHwee Poh LimCORPORATE VICE PRESIDENT5,000$3.75$18,7505,000— late
Dec 3, 2018 MForm 4 →Dec 3, 6:06 am ESTS W YongPRESIDENT AND CEO, Director, 10% Owner20,000——0—
Nov 29, 2018 MForm 4 →Nov 29, 9:00 pm ESTVictor Hock Ming TingVP AND CFO, Director—————
Sep 16, 2018 MForm 4 →Sep 18, 6:12 am EDTA Charles WilsonDirector20,000——0—
Aug 28, 2018 MForm 4 →Aug 29, 9:30 pm EDTVictor Hock Ming TingVP AND CFO, Director—————
Aug 27, 2018 MForm 4 →Aug 27, 8:27 am EDTS W YongPRESIDENT AND CEO, Director, 10% Owner20,000——0—
Mar 23, 2018 AForm 4/A →Apr 2, 9:39 pm EDTRichard M HorowitzDirector20,000$5.98$119,60020,000—
Mar 23, 2018 AForm 4 →Mar 27, 1:40 pm EDTJason T AdelmanDirector20,000$5.98$119,60020,000—
Mar 23, 2018 AForm 4 →Mar 27, 1:15 pm EDTRichard M HorowitzDirector, 10% Owner20,000$5.98$119,60020,000— amended
Mar 23, 2018 AForm 4/A →Mar 27, 1:13 pm EDTVictor Hock Ming TingVP AND CFO, Director20,000$5.98$119,60020,000—
Mar 23, 2018 AForm 4/A →Mar 27, 1:10 pm EDTS W YongPRESIDENT AND CEO, Director, 10% Owner40,000$5.98$239,20040,000—
Mar 23, 2018 AForm 4/A →Mar 27, 1:09 pm EDTA Charles WilsonDirector40,000$5.98$239,20040,000—
Mar 23, 2018 AForm 4 →Mar 27, 11:31 am EDTA Charles WilsonDirector40,000$5.28$211,20040,000— amended
Mar 23, 2018 AForm 4 →Mar 27, 11:24 am EDTS W YongPRESIDENT AND CEO, Director, 10% Owner40,000$5.28$211,20040,000—
Mar 23, 2018 AForm 4 →Mar 27, 11:16 am EDTVictor Hock Ming TingVP AND CFO, Director20,000$5.28$105,60020,000— amended
Jan 3, 2018 MForm 4 →Jan 5, 6:00 am ESTA Charles WilsonDirector5,000——0—
Nov 10, 2017 MForm 4 →Nov 14, 7:42 pm ESTJason T AdelmanDirector15,000——0—
Mar 30, 2017 AForm 4 →Apr 3, 10:48 am EDTJason T AdelmanDirector12,500$4.14$51,75012,500—
Mar 30, 2017 AForm 4 →Apr 3, 10:47 am EDTRichard M HorowitzDirector, 10% Owner12,500$4.14$51,75012,500—
Mar 30, 2017 AForm 4 →Apr 3, 10:46 am EDTA Charles WilsonDirector25,000$4.14$103,50025,000—
Mar 30, 2017 AForm 4 →Apr 3, 10:30 am EDTS W YongPRESIDENT AND CEO, Director, 10% Owner25,000$4.14$103,50025,000—
Mar 30, 2017 AForm 4 →Apr 3, 10:27 am EDTVictor Hock Ming TingVP AND CFO, Director12,500$4.14$51,75012,500—
Mar 21, 2016 AForm 4 →Mar 23, 5:35 pm EDTA Charles WilsonDirector50,000$3.26$163,00050,000—
Mar 21, 2016 AForm 4 →Mar 23, 5:34 pm EDTJason T AdelmanDirector25,000$3.26$81,50025,000—
Mar 21, 2016 AForm 4 →Mar 23, 5:29 pm EDTRichard M HorowitzDirector, 10% Owner25,000$3.26$81,50025,000—
Mar 21, 2016 AForm 4 →Mar 23, 5:28 pm EDTS W YongPRESIDENT AND CEO, Director, 10% Owner50,000$3.26$163,00025,000—
Mar 21, 2016 AForm 4 →Mar 23, 5:27 pm EDTVictor Hock Ming TingVP AND CFO, Director40,000$3.26$130,40015,000—
Oct 5, 2015 AForm 4 →Oct 7, 5:05 pm EDTJason T AdelmanDirector12,500$2.69$33,62512,500—
Oct 5, 2015 AForm 4 →Oct 7, 5:03 pm EDTRichard M HorowitzDirector, 10% Owner12,500$2.69$33,62512,500—
Oct 5, 2015 AForm 4 →Oct 7, 1:33 pm EDTA Charles WilsonDirector25,000$2.69$67,25025,000—