Updated Jul 16, 2026
HOROWITZ RICHARD M has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $1.28M.

Richard M. Horowitz is listed as an insider of Trio-Tech International (TRT) in the SEC filing dated 2026-01-09. The filing indicates no purchases or sales by this insider; the document does not disclose his exact role within the company. Trio-Tech International provides reliability test equipment and services to semiconductor and other industries, operating in the US, Singapore, Malaysia, Thailand, and China.
| Role | Insider |
|---|---|
| Notability | 35/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-27 | TRT | TRIO-TECH INTERNATIONAL | S — Open-market sale | 67.5K | $18.10 | $1.22M |
| 2026-02-18 | TRT | TRIO-TECH INTERNATIONAL | M — Option exercise | 40.1K | $2.64 | $106K |
| 2026-01-09 | TRT | TRIO-TECH INTERNATIONAL | S — Open-market sale | 7.5K | $7.50 | $56K |
Richard M. Horowitz is listed as an insider of Trio-Tech International (TRT) in the SEC filing dated 2026-01-09. The filing indicates no purchases or sales by this insider; the document does not disclose his exact role within the company. Trio-Tech International provides reliability test equipment and services to semiconductor and other industries, operating in the US, Singapor…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($1.28M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live HOROWITZ RICHARD M profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.