Cheuk Ho Tam

Insider

First SEC filing: April 1, 2026 · Latest: April 1, 2026

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

CHNR selling Feb. 24, 2006

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 5 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

5 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 24, 2006	CHNR	S	144,897	$13.50	$1,956,110	0 Indirect	-100.00%	Disposed	-99.2% (price as of 2026-08-21)
July 7, 2004	CHNR	M	40,000	$5.68	$227,200	0 Direct	-100.00%	Disposed	-98.1% (price as of 2026-08-21)
July 7, 2004	CHNR	M	40,000	$5.68	$227,200	80,000 Direct	+100.00%	Acquired	-98.1% (price as of 2026-08-21)
May 19, 2004	CHNR	A	40,000	$5.68	$227,200	40,000 Direct	—	Acquired	-98.1% (price as of 2026-08-21)
Aug. 13, 2003	CHNR	S	47	$6.50	$306	144,897 Indirect	-0.03%	Disposed	-98.3% (price as of 2026-08-21)
Aug. 13, 2003	CHNR	S	47	$6.50	$306	144,897 Indirect	-0.03%	Disposed	-98.3% (price as of 2026-08-21)
Aug. 5, 2003	CHNR	S	1,200	$7.75	$9,300	144,944 Indirect	-0.82%	Disposed	-98.6% (price as of 2026-08-21)
Aug. 5, 2003	CHNR	S	1,200	$7.75	$9,300	144,944 Indirect	-0.82%	Disposed	-98.6% (price as of 2026-08-21)
Aug. 1, 2003	CHNR	S	5,900	$6.65	$39,235	146,144 Indirect	-3.88%	Disposed	-98.3% (price as of 2026-08-21)
July 31, 2003	CHNR	S	24,200	$6.89	$166,738	152,044 Indirect	-13.73%	Disposed	-98.4% (price as of 2026-08-21)
July 30, 2003	CHNR	S	22,433	$7.45	$167,126	176,244 Indirect	-11.29%	Disposed	-98.5% (price as of 2026-08-21)
July 29, 2003	CHNR	S	23,920	$8.37	$200,210	198,677 Indirect	-10.75%	Disposed	-98.7% (price as of 2026-08-21)
July 28, 2003	CHNR	S	7,300	$8.43	$61,539	222,597 Indirect	-3.18%	Disposed	-98.7% (price as of 2026-08-21)
July 25, 2003	CHNR	S	15,000	$8.45	$126,750	229,897 Indirect	-6.13%	Disposed	-98.7% (price as of 2026-08-21)
July 15, 2003	CHNR	M	40,000	$2.95	$118,000	0 Direct	-100.00%	Disposed	-96.3% (price as of 2026-08-21)
July 15, 2003	CHNR	M	40,000	$2.95	$118,000	40,000 Direct	—	Acquired	-96.3% (price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
July 7, 2004	CHNR	Common Stock Option	Common Stock (40,000)	$5.68	May 19, 2007	40,000	Disposed
May 19, 2004	CHNR	Common Stock Option	Common Stock (40,000)	$5.68	May 19, 2007	40,000	Acquired
July 15, 2003	CHNR	Common Stock Option	Common Stock (40,000)	$2.95	June 15, 2004	40,000	Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
April 1, 2026	CHNR	Common shares	7,049	Direct