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 in CRL purchases and sales in the last 12 months
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?
1 primary Form 4 filing 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.
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: $324K.
Recent transactions
19
The latest 19 SEC Form 4 transactions reported by Joseph W. Laplume.
All19Buys1Sells4Awards3Gifts2Withholding9
G
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
G - Bona-fide gift
257 shares
F
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture
235 shares @ $180.71$42K
F
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 $324K, so the filing history runs sell-heavy by dollar value. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture
744 shares @ $180.71$134K
A
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
A - Grant or award
5.3K shares @ $180.71$950K
F
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture
185 shares @ $156.73$29K
F
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture
243 shares @ $160.30$39K
P
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
P - Open-market purchase
25 shares @ $174.54$4K
F
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture
1.7K shares @ $211.68$370K
A
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
A - Grant or award
5.5K shares
S
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
S - Open-market sale
400 shares @ $163.72$65K
S
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
S - Open-market sale
800 shares @ $157.60$126K
S
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
S - Open-market sale
400 shares @ $150.04$60K
G
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
G - Bona-fide gift
385 shares
F
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture
155 shares @ $135.63$21K
A
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
A - Grant or award
6.7K shares @ $135.63$910K
F
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture
83 shares @ $138.65$12K
F
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture
122 shares @ $136.73$17K
F
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
F - Tax withholding / forfeiture
161 shares @ $136.73$22K
S
CRL$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.