Summary
Updated Aug 31, 2026
Joseph W. Laplume is EVP, Corp Strategy & Develop of CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL). 12 SEC Form 4 filings on record going back to 2025, most recently on 11 August 2026. Most recent open-market trade: bought $4K of CRL on 4 March 2026. Lifetime open-market purchases: $4K. Lifetime open-market sales: $324K.
Recent Transactions
19Every recent SEC Form 4 transaction Joseph W. Laplume has reported, most recent first.
$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture235 shares @ $180.71$42K
$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture744 shares @ $180.71$134K
$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture185 shares @ $156.73$29K
$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture243 shares @ $160.30$39K
$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture1.7K shares @ $211.68$370K
$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture155 shares @ $135.63$21K
$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture83 shares @ $138.65$12K
$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture122 shares @ $136.73$17K
$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture161 shares @ $136.73$22K
Trading Pattern
InsiderAlpha's records for Joseph W. Laplume go back to 2025: 12 primary Form 4 filings, an average of 6.0 per year. The typical open-market purchase is $4K (1 buy totaling $4K). The largest single buy on record is $4K of CRL in 2026. Sales side: 4 recorded sales totaling $324K, so the filing history runs sell-heavy by dollar value. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Joseph W. Laplume files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- James C. Foster - $34.84M of CRL open-market activity in the last 12 months
- Shannon M. Parisotto - $2.97M of CRL open-market activity in the last 12 months
- Birgit Girshick - $1.82M of CRL open-market activity in the last 12 months
- Michael Gunnar Knell - $1.73M of CRL open-market activity in the last 12 months
- Victoria L. Creamer - $1.08M of CRL open-market activity in the last 12 months
- Nancy C. Andrews - $163K of CRL open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Joseph W. Laplume?
Joseph W. Laplume is a corporate insider, tracked as EVP, Corp Strategy & Develop of CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL). InsiderAlpha holds 12 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Joseph W. Laplume submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Joseph W. Laplume been buying or selling stock?
Recorded transactions: 1 open-market purchase ($4K) and 4 open-market sales ($324K) across all tracked filings.
Where can I see all of Joseph W. Laplume's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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