Nasdaq · CIK 0000732026
TRT TRIO-TECH INTERNATIONAL
Insider trading from SEC Form 4. Last filing 15 d ago. Close $5.67 on Oct 9, 2026, +74% from the 52-week low and -72% from the high.
In brief
TRIO-TECH INTERNATIONAL (TRT) has 48 SEC Form 4 filings on file from 6 insiders, the latest filed on Sep 29, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
15 open-market trades have been scored at TRT. The newest: Jason T Adelman (director) sold $154k of stock on Jun 18, 2026, filed Jun 23, 2026, scored 11 (weak). The largest of the 15 shown: Richard M Horowitz (director and 10% owner) sold $1.2M on May 18, 2026, scored 55 (moderate). 3 insiders sold within 14 days of each other around May 26, 2026.
8 Form 144 notices of planned sales are on file, the latest filed Sep 28, 2026.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at TRIO-TECH INTERNATIONAL, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 11Weak | Jason T Adelman director sell | $154k 10,000 shares | -7% | +517% from low-21% from high | |
| 49Moderate | Hock Ming Ting director sell | $286k 17,200 shares | -12% | +585% from low-17% from high | |
| 55Moderate | Richard M Horowitz director, owner sell | $1.2M 67,500 shares | -9% | +532% from low-24% from high | |
| 57Moderate | Jason T Adelman director sell | $818k 49,975 shares | -56% | +532% from low-24% from high | |
| 35Weak | Jason T Adelman director sell | $124k 22,000 shares | -31% | +115% from low-30% from high | |
| 21Weak | Hock Ming Ting director sell | $41k 5,800 shares | -4% | +191% from low-6% from high | |
| 22Weak | Hock Ming Ting director sell | $49k 7,000 shares | -4% | +181% from low-9% from high | |
| 31Weak | Hock Ming Ting director sell | $128k 18,600 shares | -10% | +175% from low-11% from high | |
| 20Weak | Hock Ming Ting director sell | $27k 4,000 shares | -2% | +184% from low-8% from high | |
| 29Weak | Hock Ming Ting director sell | $41k 6,070 shares | -3% | +187% from low-1% from high | |
| 29Weak | Hock Ming Ting director sell | $35k 5,000 shares | -3% | +186% from low-7% from high | |
| 30Weak | Richard M Horowitz director, owner sell | $56k 7,500 shares | -1% | +209% from low0% from high | |
| 30Weak | Hock Ming Ting director sell | $49k 6,600 shares | -3% | +209% from low0% from high | |
| 34Weak | Jason T Adelman director sell | $82k 12,000 shares | -40% | +39% from low0% from high | |
| 26Weak | Jason T Adelman director sell | $44k 6,000 shares | -20% | +39% from low0% from high |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Sep 28, 2026 | HOROWITZ RICHARD M 10% Stockholder | 91,173 0.88% of outstanding | $573k | Sep 28, 2026 | none |
| Jun 22, 2026 | HOROWITZ RICHARD M Director | 91,173 0.90% of outstanding | $454k | Jun 22, 2026 | $1.2M |
| May 15, 2026 | ADELMAN JASON T Director | 89,975 0.08% of outstanding | $1.8M | May 15, 2026 | $115k |
| Apr 30, 2026 | TING HOCK MING Director | 138,000 1.58% of outstanding | $973k | Apr 9, 2026 | $301k |
| Mar 25, 2026 | HOROWITZ RICHARD M Director | 317,744 3.63% of outstanding | $2.0M | Mar 25, 2026 | $56k |
| Dec 31, 2025 | ADELMAN JASON T Director | 100,000 2.30% of outstanding | $1.4M | Dec 31, 2025 | none |
| Dec 29, 2025 | TING HOCK MING Director | 92,500 2.13% of outstanding | $1.2M | Dec 29, 2025 | none |
| Dec 18, 2025 | HOROWITZ RICHARD M Director | 50,000 1.15% of outstanding | $500k | Dec 18, 2025 | none |
Transactions
The newest 50 of 113 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 28, 2026 | Siew Wai Yong CHAIRMAN AND CEO | MOption exercise TRT Common Stock | +50,000 | $3.88 | $194k | 1,310,247 | 15 d ago |
| Sep 28, 2026 | Siew Wai Yong CHAIRMAN AND CEO | MOption exercise TRT Common Stock (Right to buy)derivative | -50,000 | $0.00 | $0 | 0 | 15 d ago |
| Sep 28, 2026 | Anitha Srinivasan CHIEF FINANCIAL OFFICER | MOption exercise TRT Common Stock | +8,005 | $2.51 | $20k | 40,022 | 16 d ago |
| Sep 28, 2026 | Anitha Srinivasan CHIEF FINANCIAL OFFICER | MOption exercise Common Stock (Right to Buy)derivative | -8,005 | $0.00 | $0 | 0 | 16 d ago |
| Jul 27, 2026 | Anitha Srinivasan CHIEF FINANCIAL OFFICER | MOption exercise TRT Common Stock | +3,000 | $2.59 | $7,770 | 29,015 | Jul 29, 2026 |
| Jul 27, 2026 | Anitha Srinivasan CHIEF FINANCIAL OFFICER | MOption exercise TRT Common Stock | +3,002 | $2.44 | $7,325 | 32,017 | Jul 29, 2026 |
| Jul 27, 2026 | Anitha Srinivasan CHIEF FINANCIAL OFFICER | MOption exercise Common Stock (Right to Buy)derivative | -3,000 | $0.00 | $0 | 0 | Jul 29, 2026 |
| Jul 27, 2026 | Anitha Srinivasan CHIEF FINANCIAL OFFICER | MOption exercise Common Stock (Right to Buy)derivative | -3,002 | $0.00 | $0 | 0 | Jul 29, 2026 |
| Jul 7, 2026 | Anitha Srinivasan CHIEF FINANCIAL OFFICER | AGrant or award Common Stock (Right to Buy)derivative | +5,000 | $0.00 | $0 | 5,000 | Jul 9, 2026 |
| Jul 7, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | AGrant or award Common Stock (Right to Buy)derivative | +5,000 | $0.00 | $0 | 5,000 | Jul 9, 2026 |
| Jun 18, 2026 | Jason T Adelman director | SOpen-market sale Common Stock | -5,000 | $15.84 | $79k | 145,094 | Jun 23, 2026 |
| Jun 19, 2026 | Jason T Adelman director | SOpen-market sale Common Stock | -5,000 | $14.88 | $74k | 140,094 | Jun 23, 2026 |
| Jun 23, 2026 | Jason T Adelman director | MOption exercise Common Stock | +70,000 | $3.11 | $218k | 210,094 | Jun 23, 2026 |
| Jun 23, 2026 | Jason T Adelman director | MOption exercise Common Stock (Right to Buy)derivative | -70,000 | $0.00 | $0 | 0 | Jun 23, 2026 |
| May 28, 2026 | Jason T Adelman director | MOption exercise Common Stock | +40,000 | $3.88 | $155k | 80,000 | Jun 1, 2026 |
| May 28, 2026 | Jason T Adelman director | MOption exercise Common Stock | +70,094 | $2.57 | $180k | 150,094 | Jun 1, 2026 |
| May 28, 2026 | Jason T Adelman director | MOption exercise Common Stock (Right to Buy)derivative | -40,000 | $0.00 | $0 | 0 | Jun 1, 2026 |
| May 29, 2026 | Jason T Adelman director | MOption exercise Common Stock (Right to Buy)derivative | -70,094 | $0.00 | $0 | 0 | Jun 1, 2026 |
| May 26, 2026 | Hock Ming Ting director | SOpen-market sale TRT Common Stock | -17,200 | $16.65 | $286k | 131,044 | May 28, 2026 |
| May 18, 2026 | Richard M Horowitz director, owner | SOpen-market sale Common Stock | -67,500 | $18.10 | $1.2M | 664,784 | May 27, 2026 |
| May 18, 2026 | Jason T Adelman director | MOption exercise Common Stock | +39,750 | $2.25 | $89k | 89,795 | May 20, 2026 |
| May 18, 2026 | Jason T Adelman director | SOpen-market sale Common Stock | -10,000 | $18.76 | $188k | 79,975 | May 20, 2026 |
| May 18, 2026 | Jason T Adelman director | SOpen-market sale Common Stock | -10,000 | $18.11 | $181k | 69,975 | May 20, 2026 |
| May 18, 2026 | Jason T Adelman director | SOpen-market sale Common Stock | -10,000 | $16.57 | $166k | 59,975 | May 20, 2026 |
| May 18, 2026 | Jason T Adelman director | SOpen-market sale Common Stock | -5,000 | $14.87 | $74k | 54,975 | May 20, 2026 |
| May 19, 2026 | Jason T Adelman director | SOpen-market sale Common Stock | -9,358 | $14.01 | $131k | 45,617 | May 20, 2026 |
| May 19, 2026 | Jason T Adelman director | SOpen-market sale Common Stock | -5,617 | $13.97 | $78k | 40,000 | May 20, 2026 |
| May 18, 2026 | Jason T Adelman director | MOption exercise Common Stock (Right to Buy)derivative | -39,750 | $0.00 | $0 | 0 | May 20, 2026 |
| Mar 5, 2026 | Jason T Adelman director | SOpen-market sale Common Stock | -4,511 | $5.55 | $25k | 67,489 | May 15, 2026 |
| Mar 6, 2026 | Jason T Adelman director | SOpen-market sale Common Stock | -7,489 | $5.53 | $41k | 60,000 | May 15, 2026 |
| Mar 10, 2026 | Jason T Adelman director | SOpen-market sale Common Stock | -5,000 | $5.82 | $29k | 55,000 | May 15, 2026 |
| Mar 16, 2026 | Jason T Adelman director | SOpen-market sale Common Stock | -5,000 | $5.61 | $28k | 50,000 | May 15, 2026 |
| Apr 29, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | MOption exercise TRT Common Stock | +3,000 | $3.88 | $12k | 174,466 | Apr 30, 2026 |
| Apr 29, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | MOption exercise TRT Common Stock | +8,000 | $2.59 | $21k | 182,466 | Apr 30, 2026 |
| Apr 29, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | MOption exercise TRT Common Stock | +15,010 | $2.44 | $37k | 197,476 | Apr 30, 2026 |
| Apr 29, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | MOption exercise TRT Common Stock | +18,776 | $2.51 | $47k | 216,252 | Apr 30, 2026 |
| Apr 29, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | MOption exercise TRT Common Stock | +10,016 | $3.09 | $31k | 226,268 | Apr 30, 2026 |
| Apr 29, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | MOption exercise TRT Common Stock | +5,000 | $2.62 | $13k | 231,268 | Apr 30, 2026 |
| Apr 29, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | MOption exercise Common Stock (Right to Buy)derivative | -3,000 | $0.00 | $0 | 0 | Apr 30, 2026 |
| Apr 29, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | MOption exercise Common Stock (Right to Buy)derivative | -8,000 | $0.00 | $0 | 0 | Apr 30, 2026 |
| Apr 29, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | MOption exercise Common Stock (Right to Buy)derivative | -15,010 | $0.00 | $0 | 0 | Apr 30, 2026 |
| Apr 29, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | MOption exercise Common Stock (Right to Buy)derivative | -18,776 | $0.00 | $0 | 0 | Apr 30, 2026 |
| Apr 29, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | MOption exercise Common Stock (Right to Buy)derivative | -10,016 | $0.00 | $0 | 0 | Apr 30, 2026 |
| Apr 29, 2026 | Hwee Poh Lim SR CORP VP AND COO (TESTING) | MOption exercise Common Stock (Right to Buy)derivative | -5,000 | $0.00 | $0 | 0 | Apr 30, 2026 |
| Apr 17, 2026 | Hock Ming Ting director | SOpen-market sale TRT Common Stock | -3,800 | $7.08 | $27k | 150,244 | Apr 21, 2026 |
| Apr 20, 2026 | Hock Ming Ting director | SOpen-market sale TRT Common Stock | -2,000 | $7.13 | $14k | 148,244 | Apr 21, 2026 |
| Apr 15, 2026 | Hock Ming Ting director | SOpen-market sale Common Stock | -3,000 | $6.99 | $21k | 158,044 | Apr 17, 2026 |
| Apr 16, 2026 | Hock Ming Ting director | SOpen-market sale Common Stock | -4,000 | $7.04 | $28k | 154,044 | Apr 17, 2026 |
| Apr 13, 2026 | Hock Ming Ting director | SOpen-market sale Common Stock | -6,000 | $6.73 | $40k | 173,644 | Apr 15, 2026 |
| Apr 14, 2026 | Hock Ming Ting director | SOpen-market sale Common Stock | -12,600 | $6.93 | $87k | 161,044 | Apr 15, 2026 |
Insiders
Everyone who has filed a Form 4 here.
- Jason T Adelmandirector
- Richard M Horowitzdirector, owner
- Hwee Poh LimSENIOR CORPORATE VP AND COO
- Anitha SrinivasanCHIEF FINANCIAL OFFICER
- Hock Ming Tingdirector
- Siew Wai YongCHAIRMAN AND CEO
Questions about TRT
Answered from the filings on this page, as of the latest one.
Are insiders buying TRT?
No. In the last 90 days no insider at TRIO-TECH INTERNATIONAL bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade TRT on the open market?
Jason T Adelman (director) sold $154k of TRT on Jun 18, 2026 and filed the Form 4 on Jun 23, 2026. InsiderTell scored 11 (weak).
How many insiders file Form 4 at TRIO-TECH INTERNATIONAL?
6 people have filed a Form 4 at TRIO-TECH INTERNATIONAL, among them Jason T Adelman (director), Richard M Horowitz (director and 10% owner), Hwee Poh Lim (SENIOR CORPORATE VP AND COO). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.