John C Ho

Insider

First SEC filing: Jan. 24, 2006 · Latest: Jan. 24, 2006

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Insider at

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. 23, 2007	CRL	A	13,600	$46.60	$633,760	13,600 Direct	—	Acquired	522.3% (price as of 2026-08-19)
Feb. 23, 2007	CRL	A	4,800	—	—	12,710 Direct	+60.68%	Acquired	(price as of 2026-08-19)
Feb. 1, 2007	CRL	F	1,040	$45.00	$46,800	7,810 Direct	-11.75%	Disposed	544.5% (price as of 2026-08-19)
Sept. 6, 2006	CRL	P	100	$41.10	$4,110	8,950 Direct	+1.13%	Acquired	605.6% (price as of 2026-08-19)
Feb. 1, 2006	CRL	A	21,650	—	—	21,650 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 1, 2006	CRL	A	8,850	—	—	8,850 Direct	—	Acquired	(price as of 2026-08-19)

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
Feb. 23, 2007	CRL	Stock Options (Right to Buy)	Common Stock (13,600)	$46.60	Feb. 23, 2017	13,600	Acquired
Feb. 1, 2006	CRL	Stock Options (Right to Buy	Common Stock (21,650)	$46.00	Feb. 1, 2016	21,650	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
Jan. 24, 2006	CRL	No Securities Beneficially Owned	0	Direct