Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
23 May 2025, 16:19:56 UTC
Prior SEC filing
15 May 2025
Next SEC filing
02 Jul 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Martin Mackay

Key filing fact

Martin Mackay filed Form 4 for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL) on 23 May 2025.

Key facts

  • This page summarizes Martin Mackay's Form 4 filing for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL).
  • 3 reported transactions and 1 derivative row are listed below.
  • Accepted by SEC: 23 May 2025, 16:19.

Change

  • Previous filing in this sequence was filed on 15 May 2025.
  • Current net transaction value: +$517,918.

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 0001414815 Primary reporting owner

MACKAY MARTIN

Relationship
Director
Address
C/O CHARLES RIVER LABORATORIES, 251 BALLARDVALE STREET, WILMINGTON
Signature
/s/ Martin Mackay
Signature date
23 May 2025

Reported non-derivative transactions

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

CRL transaction

Common Stock

Award

Transaction value
$127,691
Shares
+946
Change %
+7.5%
Price
$134.98
Shares after
13,477
Date
21 May 2025
Ownership
Direct
Footnotes
F1
CRL transaction

Common Stock

Award

Transaction value
$110,009
Shares
+815
Change %
+6%
Price
$134.98
Shares after
14,292
Date
21 May 2025
Ownership
Direct
Footnotes
F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CRL transaction Derivative

Stock Options (Right to Buy)

Award

Transaction value
$280,218
Shares
+2,076
Change %
Price
$134.98
Shares after
2,076
Date
21 May 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
2,076
Exercise price
$134.98
Footnotes
F3
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The unvested restricted stock units vest upon the earlier of 5/21/2026 or the business day prior to the Company's next annual meeting of shareholders.

Footnote F2

The grant was made in lieu of director service fees for the term commencing May 20, 2025. The restricted stock units vest upon the earlier of 5/21/2026, or the business day prior to the Company's next annual meeting of shareholders.

Footnote F3

The stock options become exercisable upon the earlier of 5/21/2026 or the business day prior to the Company's next annual meeting of shareholders.

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