Charles River Laboratories International, Inc. (CRL) Insider Trading

Over the last 3 months, CRL insiders made 0 open-market buys and 18 sales, a net sale of -$42.6M (SEC Form 4). Over the last 6 months, 385 institutions increased and 409 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
18
Net (3m)
-$42.6M
Insider trades by month Buys Sells
May
Aug
Jan
Mar
Jul
Aug
Context3-month price +58.4%Institutions mixed (13F)
DateInsiderTypeSharesPrice
Aug 27, 2026FOSTER JAMES CdirectorOption12,429$208.44
Aug 27, 2026FOSTER JAMES CdirectorOption21,132$194.12
Aug 27, 2026FOSTER JAMES CdirectorSell33,561$300.00
Aug 20, 2026Andrews Nancy CdirectorOption573$164.30
Aug 20, 2026Parisotto Shannon Mofficer: CEVP, Disc & Safety AssessmentOption2,039$194.12
Aug 20, 2026Andrews Nancy CdirectorSell573$285.24
Aug 20, 2026Parisotto Shannon Mofficer: CEVP, Disc & Safety AssessmentSell2,039$294.12
Aug 13, 2026Parisotto Shannon Mofficer: CEVP, Disc & Safety AssessmentSell3,714$279.66
Aug 13, 2026Girshick Birgitdirector, officer: Chief Executive OfficerSell6,500$279.90
Aug 13, 2026Girshick Birgitdirector, officer: Chief Executive OfficerOption6,500$179.66
Aug 13, 2026Parisotto Shannon Mofficer: CEVP, Disc & Safety AssessmentOption3,714$179.66
Aug 11, 2026FOSTER JAMES CdirectorSell28,733$275.00
Aug 11, 2026FOSTER JAMES CdirectorOption28,733$179.66
Aug 10, 2026Knell Michael Gunnarofficer: SVP, Finance and CAOSell404$258.53
Aug 10, 2026Knell Michael Gunnarofficer: SVP, Finance and CAOSell213$262.37
Aug 10, 2026Knell Michael Gunnarofficer: SVP, Finance and CAOSell1,274$259.07
Aug 10, 2026Knell Michael Gunnarofficer: SVP, Finance and CAOSell620$263.94
Aug 10, 2026Knell Michael Gunnarofficer: SVP, Finance and CAOSell1,205$258.53
Aug 10, 2026Knell Michael Gunnarofficer: SVP, Finance and CAOSell810$261.45
Aug 10, 2026Creamer Victoria Lofficer: EVP & Chief People OfficerSell4,179$259.16
Aug 10, 2026Knell Michael Gunnarofficer: SVP, Finance and CAOSell736$258.53
Aug 10, 2026Knell Michael Gunnarofficer: SVP, Finance and CAOOption404$179.66
Aug 10, 2026Knell Michael Gunnarofficer: SVP, Finance and CAOOption736$208.44
Aug 10, 2026Knell Michael Gunnarofficer: SVP, Finance and CAOSell901$260.63
Aug 10, 2026Knell Michael Gunnarofficer: SVP, Finance and CAOOption1,205$194.12
Aug 10, 2026Knell Michael Gunnarofficer: SVP, Finance and CAOSell482$265.17
Aug 10, 2026Creamer Victoria Lofficer: EVP & Chief People OfficerOption4,179$179.66
Aug 6, 2026Parisotto Shannon Mofficer: CEVP, Disc & Safety AssessmentSell5,046$263.00
Jul 1, 2026FOSTER JAMES CdirectorSell75,000$225.00
Jun 3, 2026Barg StevendirectorGrant422$174.79

Source: CRL SEC Form 4 filings, latest Aug 27, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their CRL positions over the last 6 months (SEC Form 13F).

Increased
385
New positions
155
Reduced
409
Sold out
68
Largest moves
InstitutionActionSharesFiled
FMR LLCIncreased4.2MAug 13, 2026
BLACKROCK, INC.Increased3.9MMay 13, 2026
BlackRock, Inc.Reduced3.8MAug 7, 2026
FMR LLCIncreased3.5MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position3.2MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCReduced3.1MAug 13, 2026
Invesco Ltd.Increased3.0MAug 14, 2026
INVESCO LTD.Reduced2.4MMay 12, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position2.3MMay 8, 2026
HARRIS ASSOCIATES L PIncreased2.2MAug 14, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCReduced2.2MAug 13, 2026
HARRIS ASSOCIATES L PIncreased2.2MMay 15, 2026
ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLCReduced2.0MMay 5, 2026
Allspring Global Investments Holdings, LLCReduced1.9MAug 13, 2026
STATE STREET CORPIncreased1.9MMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.