George E. Massaro - 15 May 2025 Form 4 Insider Report for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL)

Reporting relationship: Director
Issuer ticker: CRL
Reported as of: 15 May 2025
Net transaction value: -$19,260
SEC form: 4
Accepted by SEC: 16 May 2025, 16:29:33 UTC
Prior SEC filing: 15 May 2025
Source filing: View source filing
Reporting owner signature: /s/ George E. Massaro

Key filing fact

George E. Massaro filed Form 4 for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL) on 16 May 2025.

Key facts

This page summarizes George E. Massaro's Form 4 filing for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 16 May 2025, 16:29.

Change

Previous filing in this sequence was filed on 15 May 2025.
Current net transaction value: -$19,260.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001221496 Primary reporting owner

MASSARO GEORGE

Relationship: Director
Address: C/O CHARLES RIVER LABORATORIES, 251 BALLARDVALE STREET, WILMINGTON
Signature: /s/ George E. Massaro
Signature date: 16 May 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CRL transaction

Common Stock

Sale

Transaction value: $4,771
Shares: -35
Change %: -0.61%
Price: $136.32
Shares after: 5,680
Date: 15 May 2025
Ownership: Direct
Footnotes: F1

CRL transaction

Common Stock

Sale

Transaction value: $11,152
Shares: -81
Change %: -1.4%
Price: $137.68
Shares after: 5,599
Date: 15 May 2025
Ownership: Direct
Footnotes: F2

CRL transaction

Common Stock

Sale

Transaction value: $3,337
Shares: -24
Change %: -0.43%
Price: $139.05
Shares after: 5,575
Date: 15 May 2025
Ownership: Direct
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

This transaction was executed in multiple trades at prices ranging from $136.07 to $136.97. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This sale occurred pursuant to a 10b5-1 trading plan adopted on August 19, 2024.

Footnote F2

This transaction was executed in multiple trades at prices ranging from $137.19 to $138.12. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This sale occurred pursuant to a 10b5-1 trading plan adopted on August 19, 2024.

Footnote F3

This transaction was executed in multiple trades at prices ranging from $139.02 to $139.11. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This sale occurred pursuant to a 10b5-1 trading plan adopted on August 19, 2024.