InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
2
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the full record of transactions filed by Yong Siew Wai. Officer active across 1 company, notably Trio-Tech International. In total, 6 reports have been logged. Breakdown: 0 buy · 2 sells. Total volume traded: €475k. Activity tracked since 16 November 2021. The latest transaction was disclosed on 27 January 2026 (Levée d'options). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Yong Siew Wai
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations6 total
80,111 shares@ US$2.6419.6% of flowTRT Common StockSEC:0001247602-26-000004:0
40,000 shares@ US$3.289.5% of flowTRT Common StockSEC:0001415889-23-015675:0
25,000 shares@ US$4.1410.1% of flowTRT Common StockSEC:0001415889-22-001412:0
10,000 shares@ US$12.80612.5% of flowTRT Common StockSEC:0001415889-22-000002:0
39,000 shares@ US$10.45939.8% of flowTRT Common StockSEC:0001415889-21-006168:0
20,000 shares@ US$2.534.9% of flowCommon StockSEC:0001415889-21-005209:0
6 of 6 declarations
About Yong Siew Wai
YONG SIEW WAI is a declarant linked to Trio-Tech International, where the listed role is PRESIDENT AND CEO. There are 6 filings in total, and across the sampled recent filings dated from 2021-11-16 to 2026-01-29, total sales amount to EUR 474771 and the most frequent transaction nature is Levée d'options.
