Trio-tech International Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

AMEX

1 May 2026

TRT

SCHEDULE: Zeff Capital Discloses 1.28% Stake in Trio-Tech

Zeff Capital, LP and associated entities have filed an amendment reporting a 1.28% beneficial ownership stake in Trio-Tech International.

AMEX

21 Jan 2026

TRT

Trio-tech International

SCHEDULE: Zeff Entities Maintain 5.9% Stake in Trio-Tech Post-Split

Zeff Capital, Zeff Holding Company, and Daniel Zeff report a 5.9% beneficial ownership in Trio-Tech International following a 2-for-1 forward stock split.

AMEX

8 Jan 2025

TRT

Trio-tech International

SCHEDULE 13G/A: Zeff Capital Group Discloses 6.9% Stake in Trio-Tech International

Zeff Capital, LP, Zeff Holding Company, LLC, and Daniel Zeff have jointly reported a 6.9% beneficial ownership stake in Trio-Tech International as of December 31, 2024.