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SCHEDULE Filed 2026-01-29 Event 2026-01-27 SEC 0001247602-26-000005 →

YONG SIEW WAI TRIO-TECH INTERNATIONAL TRT

Stake: 16.90% Shares: 1,470,290 CUSIP: 896712205 Class: Common Stock, no par value

Item 4 — Purpose of Transaction

Mr. Yong holds the shares of Company Common Stock beneficially owned and deemed to be beneficially owned by him for investment. The Reporting Person has no current plans or proposals which relate to or would result in any of the matters described in paragraphs (a) though (j) of Item 4 of Schedule 13D. Mr. Yong may in the future acquire additional shares of Common Stock or other Issuer securities or dispose of some or all of the shares of Common Stock or other securities held by the Reporting Person in open-market transactions or privately negotiated transactions, on such terms and at such times as the Reporting Person may deem advisable subject to applicable securities law and regulations.

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
4 13D/G filings on this issuer
3 other filings besides this one
Filer Track Record
2 filings by this filer
1 other filing in the data moat
Short Interest · settle 2026-07-15
DTC 1.92
1,055,983 shares short · +33.2% vs prior

Post-Filing Returns · since 2026-01-27 on TRT

+1 day
0.0%
+5 days
0.0%
+30 days
0.0%
+60 days
0.0%
+90 days
0.0%
+180 days
+1.9%

Anchor price 9.68 on closest trading day on/after 2026-01-27. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on TRIO-TECH INTERNATIONAL

FiledFormFilerStakeShares
2026-06-25 SCHEDULE 13D/A HOROWITZ RICHARD M 902,353 view →
2023-04-06 SC WILSON A CHARLES view →
2023-04-06 SC YONG SIEW WAI view →

Other Filings by YONG SIEW WAI

FiledFormIssuerStakeShares
2023-04-06 SC TRIO-TECH INTERNATIONAL TRT view →

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