Charles River Ownership & Insider Activity

Charles River (CRL) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 3.7% of shares outstanding. Institutional investors hold 87.3%. Over the past 90 days, insiders made 1 purchase worth $3K and 2 sales worth $2.6M.

Shares Outstanding

51.136M

Shares Float

39.424M

Insider Shares Owned

1.787M

Insider % Owned

3.7%

Institutional Shares Held

41.665M

Institutional % Held

87.3%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$3K total

Sales (90d)

$2.6M total

Net Activity

Net Selling

Net Value (90d)

-$2.6M

Charles River Insider Transactions (Last 6 Months)

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Date	Insider	Title	Type	Shares	Price	Value
Oct 22, 2026	James C Foster	DIRECTOR	SELL-OPTIONS	—	$297.20	$2.5M
Oct 21, 2026	Shannon Parisotto	CEVP, DISC & SAFETY ASSESSMENT	SELL-OPTIONS	—	$294.41	$216K
Oct 5, 2026	Shannon M Parisotto	CEVP, DISC & SAFETY ASSESSMENT	SELL-OPTIONS	—	$258.44	$98K
Sep 30, 2026	Glenn Coleman	EVP & CHIEF FINANCIAL OFFICER	BUY	10.000	$297.43	$3K
Aug 25, 2026	James C Foster	DIRECTOR	SELL-OPTIONS	—	$249.71	$3.4M
Aug 19, 2026	Shannon M Parisotto	CEVP, DISC & SAFETY ASSESSMENT	SELL-OPTIONS	—	$244.12	$204K
Aug 18, 2026	Nancy C Andrews	DIRECTOR	SELL-OPTIONS	—	$224.77	$69K
Aug 11, 2026	Birgit Girshick	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	—	$229.78	$652K
Aug 11, 2026	Shannon M Parisotto	CEVP, DISC & SAFETY ASSESSMENT	SELL-OPTIONS	—	$229.66	$371K
Aug 10, 2026	James C Foster	DIRECTOR	SELL-OPTIONS	—	$227.33	$2.7M
Aug 6, 2026	Michael G. Knell	SVP, FINANCE AND CAO	SELL	4.300K	$228.25	$1.3M
Aug 6, 2026	Victoria L Creamer	EVP & CHIEF PEOPLE OFFICER	SELL-OPTIONS	—	$219.41	$332K
Aug 5, 2026	Shannon M Parisotto	CEVP, DISC & SAFETY ASSESSMENT	SELL	5.046K	$263.00	$1.3M
Jun 29, 2026	James C Foster	DIRECTOR	SELL	75.000K	$225.00	$16.9M

Congressional Trading Activity

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Date	Member	Party	Chamber	Action	Amount
May 15, 2025	Robert Bresnahan	R	House	Sale	$1,001 - $15,000
May 12, 2025	Jefferson Shreve	R	House	Sale	$15,001 - $50,000
May 8, 2025	Jefferson Shreve	R	House	Purchase	$15,001 - $50,000
Apr 8, 2025	Robert Bresnahan	R	House	Purchase	$15,001 - $50,000
Jan 15, 2025	Julie Johnson	D	House	Purchase	$1,001 - $15,000

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