George Massaro Charles River Laboratories International, Inc. (CRL) insider trading activity

George Massaro is Director of CHARLES RIVER LABORATORIES INTERNATIONAL, INC.. Currently has a direct ownership of 5,575 shares of CRL, which is worth approximately $829,225. The most recent transaction as insider was on May 15, 2025, when has been sold 140 shares (Common Stock) at a price of $137.68 per share, resulting in proceeds of $19,275. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 5.58K

4.78% 3M change

4.78% 12M change

Total Value Held $829,225

GEORGE MASSARO Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
May 15 2025	SELL Open market or private sale	$19,275 $137.68 p/Share	140 Reduced 2.45%	5,575 Common Stock
May 14 2025	SELL Open market or private sale	$19,933 $142.38 p/Share	140 Reduced 2.39%	5,715 Common Stock
May 15 2024	SELL Open market or private sale	$78,252 $235.7 p/Share	332 Reduced 5.37%	5,855 Common Stock
May 13 2024	BUY Grant, award, or other acquisition	$127,681 $228.41 p/Share	559 Added 8.29%	6,187 Common Stock
May 15 2023	BUY Grant, award, or other acquisition	-	664 Added 10.55%	5,628 Common Stock
May 11 2023	SELL Open market or private sale	$55,707 $193.43 p/Share	288 Reduced 5.48%	4,964 Common Stock
May 11 2022	BUY Grant, award, or other acquisition	-	575 Added 9.87%	5,252 Common Stock
May 09 2022	SELL Open market or private sale	$41,367 $232.4 p/Share	178 Reduced 3.67%	4,677 Common Stock
Aug 31 2021	SELL Open market or private sale	$1,123,685 $442.57 p/Share	2,539 Reduced 34.34%	4,855 Common Stock
Aug 31 2021	BUY Exercise of conversion of derivative security	$417,005 $164.24 p/Share	2,539 Added 25.56%	7,394 Common Stock
Aug 09 2021	SELL Bona fide gift	-	500 Reduced 9.34%	4,855 Common Stock
May 11 2021	SELL Open market or private sale	$118,772 $320.14 p/Share	371 Reduced 6.48%	5,355 Common Stock
May 07 2021	BUY Grant, award, or other acquisition	-	355 Added 5.84%	5,726 Common Stock
May 06 2021	SELL Open market or private sale	$1,137,341 $337.49 p/Share	3,370 Reduced 38.55%	5,371 Common Stock

George Massaro

Director

Wilmington, MA

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