TRT

Trio-Tech International$10.83+0.58 (+5.70%)

Prev Close$10.26·MCap$50.3M·P/E—·Vol1.68M·Yield—

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Buys (12M)

$0.00

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Sells (12M)

$2.63M

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Net Activity

Net Seller

$2.63M

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at Trio-Tech International (TRT) has been exclusively selling, with 0 insider purchases totaling $0.00 and 13 insider sales totaling $2.63M. The most recent insider transaction was by ADELMAN JASON T (director), who sold $153.6K worth of shares on Jun 23, 2026. Trio-Tech International operates in the Technology sector, within the Semiconductors industry, with a market cap of $50.3M.

TRT Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jun 23, 2026	ADELMAN JASON T	director	Sell	10,000	$15.36	$153.6K	145,094
May 28, 2026	TING HOCK MING	director	Sell	17,200	$16.65	$286.4K	131,044
May 27, 2026	HOROWITZ RICHARD M	director, 10 percent owner:	Sell	67,500	$18.10	$1.22M0.7% OS	664,784
May 20, 2026	ADELMAN JASON T	director	Sell	29,975	$15.00	$449.6K	59,975-33%
May 15, 2026	ADELMAN JASON T	director	Sell	22,000	$5.62	$123.6K	67,489
Apr 21, 2026	TING HOCK MING	director	Sell	5,800	$7.10	$41.2K	150,244
Apr 17, 2026	TING HOCK MING	director	Sell	7,000	$7.02	$49.1K	158,044
Apr 15, 2026	TING HOCK MING	director	Sell	18,600	$6.87	$127.7K	173,644
Apr 10, 2026	TING HOCK MING	director	Sell	4,000	$6.78	$27.1K	179,644
Jan 20, 2026	TING HOCK MING	director	Sell	6,070	$6.77	$41.1K	186,714
Jan 14, 2026	TING HOCK MING	director	Sell	5,000	$7.08	$35.4K	189,714
Jan 9, 2026	HOROWITZ RICHARD M	director, 10 percent owner:	Sell	7,500	$7.50	$56.3K	621,500
Jan 9, 2026	TING HOCK MING	director	Sell	2,600	$7.48	$19.5K	195,314
Feb 28, 2025	ADELMAN JASON T		Sell	12,000	$6.84	$82.1K	27,000-31%
Oct 21, 2024	ADELMAN JASON T		Sell	6,000	$7.35	$44.1K	27,000
Jun 7, 2023	ADELMAN JASON T		Sell	10,000	$4.84	$48.4K	18,000-36%
Mar 24, 2023	ADELMAN JASON T		Sell	12,500	$4.58	$57.3K	0Exit
Jan 27, 2022	ADELMAN JASON T		Sell	7,000	$9.10	$63.7K	9,688-42%
Jan 4, 2022	TING HOCK MING	VICE PRESIDENT AND CFO	Sell	3,000	$13.16	$39.5K	49,157
Jan 3, 2022	YONG SIEW WAI	PRESIDENT AND CEO	Sell	10,000	$12.81	$128.1K	505,068
Dec 23, 2021	TING HOCK MING	VICE PRESIDENT, CFO	Sell	32,500	$10.71	$348.2K	60,157-35%
Dec 22, 2021	YONG SIEW WAI	PRESIDENT AND CEO	Sell	39,000	$10.46	$407.9K	515,068
Dec 21, 2021	TING HOCK MING	VICE PRESIDENT, CFO	Sell	6,600	$9.24	$61.0K	84,657
Dec 17, 2021	TING HOCK MING	VICE PRESIDENT, CFO	Sell	18,000	$9.23	$166.1K	98,257
Nov 30, 2021	HOROWITZ RICHARD M		Sell	20,000	$9.98	$199.6K	342,864
Nov 26, 2021	HOROWITZ RICHARD M		Sell	19,000	$8.88	$168.8K	376,864
Jun 9, 2021	TING HOCK MING	VICE PRESIDENT, CFO	Sell	8,400	$6.31	$53.0K	104,657
Jun 7, 2021	TING HOCK MING	VICE PRESIDENT, CFO	Sell	20,749	$5.92	$122.9K	125,406
Mar 18, 2021	ADELMAN JASON T		Sell	8,312	$5.06	$42.0K	24,000-26%
Mar 17, 2021	TING HOCK MING	VICE PRESIDENT, CFO	Sell	1,500	$5.25	$7.9K	88,406

TRT Insider Buying Activity

The following table shows recent insider purchases of Trio-Tech International (TRT) stock reported via SEC Form 4 filings.

No insider buying activity found for TRT in the last 12 months.

TRT Insider Selling Activity

The following table shows recent insider sales of Trio-Tech International (TRT) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jun 23, 2026	ADELMAN JASON T	director	Sell	10,000	$15.36	$153.6K	145,094
May 28, 2026	TING HOCK MING	director	Sell	17,200	$16.65	$286.4K	131,044
May 27, 2026	HOROWITZ RICHARD M	director, 10 percent owner:	Sell	67,500	$18.10	$1.22M0.7% OS	664,784
May 20, 2026	ADELMAN JASON T	director	Sell	29,975	$15.00	$449.6K	59,975-33%
May 15, 2026	ADELMAN JASON T	director	Sell	22,000	$5.62	$123.6K	67,489
Apr 21, 2026	TING HOCK MING	director	Sell	5,800	$7.10	$41.2K	150,244
Apr 17, 2026	TING HOCK MING	director	Sell	7,000	$7.02	$49.1K	158,044
Apr 15, 2026	TING HOCK MING	director	Sell	18,600	$6.87	$127.7K	173,644
Apr 10, 2026	TING HOCK MING	director	Sell	4,000	$6.78	$27.1K	179,644
Jan 20, 2026	TING HOCK MING	director	Sell	6,070	$6.77	$41.1K	186,714
Jan 14, 2026	TING HOCK MING	director	Sell	5,000	$7.08	$35.4K	189,714
Jan 9, 2026	HOROWITZ RICHARD M	director, 10 percent owner:	Sell	7,500	$7.50	$56.3K	621,500
Jan 9, 2026	TING HOCK MING	director	Sell	2,600	$7.48	$19.5K	195,314
Feb 28, 2025	ADELMAN JASON T		Sell	12,000	$6.84	$82.1K	27,000-31%
Oct 21, 2024	ADELMAN JASON T		Sell	6,000	$7.35	$44.1K	27,000
Jun 7, 2023	ADELMAN JASON T		Sell	10,000	$4.84	$48.4K	18,000-36%
Mar 24, 2023	ADELMAN JASON T		Sell	12,500	$4.58	$57.3K	0Exit
Jan 27, 2022	ADELMAN JASON T		Sell	7,000	$9.10	$63.7K	9,688-42%
Jan 4, 2022	TING HOCK MING	VICE PRESIDENT AND CFO	Sell	3,000	$13.16	$39.5K	49,157
Jan 3, 2022	YONG SIEW WAI	PRESIDENT AND CEO	Sell	10,000	$12.81	$128.1K	505,068
Dec 23, 2021	TING HOCK MING	VICE PRESIDENT, CFO	Sell	32,500	$10.71	$348.2K	60,157-35%
Dec 22, 2021	YONG SIEW WAI	PRESIDENT AND CEO	Sell	39,000	$10.46	$407.9K	515,068
Dec 21, 2021	TING HOCK MING	VICE PRESIDENT, CFO	Sell	6,600	$9.24	$61.0K	84,657
Dec 17, 2021	TING HOCK MING	VICE PRESIDENT, CFO	Sell	18,000	$9.23	$166.1K	98,257
Nov 30, 2021	HOROWITZ RICHARD M		Sell	20,000	$9.98	$199.6K	342,864
Nov 26, 2021	HOROWITZ RICHARD M		Sell	19,000	$8.88	$168.8K	376,864
Jun 9, 2021	TING HOCK MING	VICE PRESIDENT, CFO	Sell	8,400	$6.31	$53.0K	104,657
Jun 7, 2021	TING HOCK MING	VICE PRESIDENT, CFO	Sell	20,749	$5.92	$122.9K	125,406
Mar 18, 2021	ADELMAN JASON T		Sell	8,312	$5.06	$42.0K	24,000-26%
Mar 17, 2021	TING HOCK MING	VICE PRESIDENT, CFO	Sell	1,500	$5.25	$7.9K	88,406