TRT
TRIO-TECH INTERNATIONAL
Latest Form 4:Sale$79KbyADELMAN JASON T (Director) · filed Jun 23, 2026
TRIO-TECH INTERNATIONAL (TRT) has 21 SEC Form 4 filings (48 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Jul 29, 2026.
Inside the rolling window, 3 insiders at TRIO-TECH INTERNATIONAL reported no open-market purchases and 23 open-market sales totaling $3.0M. The most active filer is Director TING HOCK MING with 13 filings. Insiders have net sold $2.8M over the trailing 6 months. The most recent open-market filing is a sale of 5,000 shares by Director ADELMAN JASON T, dated Jun 18, 2026, worth $79K.
- Industry:Semiconductors
- CEO:Siew Wai Yong
- Employees:673
- HQ:Van Nuys, CA, US
- IPO:1992-06-16
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$3.0M
reported sales (SEC code S)
Unique Insiders
3
in the rolling window
Market Cap
$99.7M
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| Director | Sale | 5,000 | $79K | Jun 23 | SEC ↗ | |
| Director | Sale | 5,000 | $74K | Jun 23 | SEC ↗ | |
| Director | Sale | 17,200 | $286K | May 28 | SEC ↗ | |
HOROWITZ RICHARD MFirst in 5 months | Director, 10% Owner | Sale | 67,500 | $1.2M | May 27 | SEC ↗ |
| Director | Sale | 35,000 | $609K | May 20 | SEC ↗ | |
| Director | Sale | 14,975 | $210K | May 20 | SEC ↗ | |
ADELMAN JASON TFirst in 8 months | Director | Sale | 4,511 | $25K | May 16 | SEC ↗ |
ADELMAN JASON TFirst in 8 months | Director | Sale | 7,489 | $41K | May 16 | SEC ↗ |
ADELMAN JASON TFirst in 8 months | Director | Sale | 5,000 | $29K | May 16 | SEC ↗ |
ADELMAN JASON TFirst in 8 months | Director | Sale | 5,000 | $28K | May 16 | SEC ↗ |
| Director | Sale | 3,800 | $27K | Apr 21 | SEC ↗ | |
| Director | Sale | 2,000 | $14K | Apr 21 | SEC ↗ | |
| Director | Sale | 3,000 | $21K | Apr 17 | SEC ↗ | |
| Director | Sale | 4,000 | $28K | Apr 17 | SEC ↗ | |
| Director | Sale | 6,000 | $40K | Apr 15 | SEC ↗ | |
| Director | Sale | 12,600 | $87K | Apr 15 | SEC ↗ | |
| Director | Sale | 4,000 | $27K | Apr 10 | SEC ↗ | |
| Director | Sale | 3,000 | $21K | Jan 20 | SEC ↗ | |
| Director | Sale | 3,000 | $20K | Jan 20 | SEC ↗ | |
| Director | Sale | 70 | $475 | Jan 20 | SEC ↗ | |
| Director | Sale | 5,000 | $35K | Jan 14 | SEC ↗ | |
TING HOCK MINGFirst filing | Director | Sale | 6,600 | $49K | Jan 9 | SEC ↗ |
HOROWITZ RICHARD MFirst filing | Director, 10% Owner | Sale | 7,500 | $56K | Jan 9 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does TRT have?
TRIO-TECH INTERNATIONAL (TRT) has 21 SEC Form 4 filings (48 transaction rows) in the rolling 365-day window, disclosed by 3 distinct insiders. Most recent filing: Jul 29, 2026.
When was the most recent SEC Form 4 filing for TRT?
The most recent Form 4 filing for TRT on Tracefour is dated Jul 29, 2026.
Who is the most active insider at TRT?
The most active SEC Form 4 filer at TRT in the rolling window is Director TING HOCK MING, with 13 filings.
What is the net insider flow at TRT over the last 6 months?
Over the trailing 180 days, insiders at TRT have net sold $2.8M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at TRT in the current window?
Inside the rolling window, insiders at TRT bought $0 and sold $3.0M based on SEC Form 4 filings.
Can I get alerts for TRT insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at TRIO-TECH INTERNATIONAL (TRT). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
TRIO-TECH INTERNATIONAL is in the Manufacturing sector.