Brien Colin O

Insider

First SEC filing: Dec. 13, 2005 · Latest: Dec. 13, 2005

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 1 non-open-market transaction 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

1 other filing hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 17, 2006	NHTC	A	15,000	—	—	22,500 Direct	+200.00%	Acquired	(price as of 2026-08-20)
Nov. 15, 2006	NHTC	P	920	$1.57	$1,444	10,920 Direct	+9.20%	Acquired	14.6% (price as of 2026-08-20)
Nov. 15, 2006	NHTC	P	2,080	$1.57	$3,266	13,000 Direct	+19.05%	Acquired	14.6% (price as of 2026-08-20)
Nov. 15, 2006	NHTC	P	2,000	$1.79	$3,580	15,000 Direct	+15.38%	Acquired	0.6% (price as of 2026-08-20)
Nov. 15, 2006	NHTC	P	10,000	$1.78	$17,800	25,000 Direct	+66.67%	Acquired	1.1% (price as of 2026-08-20)
Nov. 15, 2006	NHTC	P	200	$1.83	$366	25,200 Direct	+0.80%	Acquired	-1.6% (price as of 2026-08-20)
Nov. 15, 2006	NHTC	P	4,800	$1.85	$8,880	30,000 Direct	+19.05%	Acquired	-2.7% (price as of 2026-08-20)
Aug. 17, 2006	NHTC	P	2,000	$2.40	$4,800	10,000 Direct	+25.00%	Acquired	-25.0% (price as of 2026-08-20)
Aug. 17, 2006	NHTC	P	8,000	$2.38	$19,040	8,000 Direct	—	Acquired	-24.4% (price as of 2026-08-20)

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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Nov. 17, 2006	NHTC	Option	Common Stock (15,000)	$1.80	—	15,000	Acquired

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

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

Date	Ticker	Security	Shares	Ownership
Dec. 13, 2005	NHTC	Stock Options→ Common Stock (7,500)	7,500	Direct