Joseph W. LaPlume

CIK: 0001767215

Transaction Breakdown

Open Market Buys (P)1 (4.5%)

High conviction signal

Open Market Sales (S)5 (22.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (18.2%)

Compensation grants

Other (G, F, J, C, D, …)12 (54.5%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CRL

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (22 total)

CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Aug 10, 2026
Gift(G)
Direct
257 shares-
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
May 31, 2026
Tax Payment(F)
Direct
235 shares at avg. $180.71$42K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
May 30, 2026
Tax Payment(F)
Direct
744 shares at avg. $180.71$134K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
May 29, 2026
Award(A)
Direct
5.3K shares at avg. $180.71$950K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
May 27, 2026
Tax Payment(F)
Direct
185 shares at avg. $156.73$29K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
May 26, 2026
Tax Payment(F)
Direct
243 shares at avg. $160.30$39K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Mar 3, 2026
Purchase(P)
Direct
25 shares at avg. $174.54$4K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Jan 30, 2026
Tax Payment(F)
Direct
1.7K shares at avg. $211.68$370K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Jan 30, 2026
Award(A)
Direct
5.5K shares-
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Aug 22, 2025
Sale(S)
Direct
400 shares at avg. $163.72$65K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Aug 18, 2025
Sale(S)
Direct
800 shares at avg. $157.60$126K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Aug 7, 2025
Sale(S)
Direct
400 shares at avg. $150.04$60K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Jun 5, 2025
Gift(G)
Direct
385 shares-
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
May 31, 2025
Tax Payment(F)
Direct
155 shares at avg. $135.63$21K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
May 30, 2025
Award(A)
Direct
6.7K shares at avg. $135.63$910K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
May 28, 2025
Tax Payment(F)
Direct
83 shares at avg. $138.65$12K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
May 27, 2025
Tax Payment(F)
Direct
122 shares at avg. $136.73$17K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
May 26, 2025
Tax Payment(F)
Direct
161 shares at avg. $136.73$22K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
May 13, 2025
Sale(S)
Direct
500 shares at avg. $145.41$73K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Feb 20, 2025
Sale(S)
Direct
4.4K shares at avg. $162.50$715K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Jan 31, 2025
Tax Payment(F)
Direct
846 shares at avg. $165.57$140K
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Jan 31, 2025
Award(A)
Direct
2.7K shares-

		Type	Shares	Price		Ownership
Aug 10, 2026	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Gift(G)	257	-	$0	Direct
May 31, 2026	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Tax Payment(F)	235	$180.71	$42,467	Direct
May 30, 2026	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Tax Payment(F)	744	$180.71	$134,448	Direct
May 29, 2026	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Award(A)	5,257	$180.71	$949,992	Direct
May 27, 2026	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Tax Payment(F)	185	$156.73	$28,995	Direct
May 26, 2026	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Tax Payment(F)	243	$160.30	$38,953	Direct
Mar 3, 2026	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Purchase(P)	25	$174.54	$4,364	Direct
Jan 30, 2026	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Tax Payment(F)	1,749	$211.68	$370,228	Direct
Jan 30, 2026	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Award(A)	5,456	-	$0	Direct
Aug 22, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Sale(S)	400	$163.72	$65,488	Direct
Aug 18, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Sale(S)	800	$157.60	$126,080	Direct
Aug 7, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Sale(S)	400	$150.04	$60,016	Direct
Jun 5, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Gift(G)	385	-	-	Direct
May 31, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Tax Payment(F)	155	$135.63	$21,023	Direct
May 30, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Award(A)	6,709	$135.63	$909,942	Direct
May 28, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Tax Payment(F)	83	$138.65	$11,508	Direct
May 27, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Tax Payment(F)	122	$136.73	$16,681	Direct
May 26, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Tax Payment(F)	161	$136.73	$22,014	Direct
May 13, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Sale(S)	500	$145.41	$72,705	Direct
Feb 20, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Sale(S)	4,400	$162.50	$715,000	Direct
Jan 31, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Tax Payment(F)	846	$165.57	$140,072	Direct
Jan 31, 2025	CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	Award(A)	2,738	-	-	Direct

1-22 of 22 transactions

About LaPlume Joseph W

LaPlume Joseph W (SEC CIK 0001767215) files insider reports with the SEC as EVP, Corp Strategy & Develop of CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL).

Signal8 holds 14 ownership filings by LaPlume Joseph W, all Form 4s, filed between Feb 3, 2025 and Aug 11, 2026. Those filings report 22 transactions, from Jan 31, 2025 to Aug 10, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on LaPlume Joseph W's filings is in WILMINGTON, MA.

Recent filings by LaPlume Joseph W

Aug 10, 2026: Gift of CRL shares (Form 4, code G).
May 31, 2026: Tax withholding of CRL shares (Form 4, code F).
May 30, 2026: Tax withholding of CRL shares (Form 4, code F).
May 29, 2026: Grant or award of CRL shares (Form 4, code A).
May 27, 2026: Tax withholding of CRL shares (Form 4, code F).

Other insiders filing for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL)

FOSTER JAMES C, Director
Parisotto Shannon M, CEVP, Disc & Safety Assessment
Coleman Glenn, EVP & Chief Financial Officer
Girshick Birgit, Chief Executive Officer
Andrews Nancy C, Director
Knell Michael Gunnar, SVP, Finance and CAO

How to read Form 4 transaction codes