Charles River officer proposes $743K share sale

The notice also lists four earlier sales of common shares between August 5 and October 5, 2026.

Rhea-AI Filing Summary

Charles River Laboratories International, Inc. officer Shannon M. Parisotto reported a proposed sale of 2,156 common shares through UBS Financial Services, Inc., with an approximate sale date of October 21, 2026. The notice lists an aggregate market value of $742,547.96 and identifies the shares as acquired from the issuer through exercise of stock options for cash.

Key Figures

Proposed shares for sale: 2,156 shares Aggregate market value: $742,547.96 Prior shares sold: 5,046 shares +3 more

6 metrics

Proposed shares for sale 2,156 shares Common stock; approximate sale date October 21, 2026

Aggregate market value $742,547.96 Proposed sale

Prior shares sold 5,046 shares August 5, 2026

Prior shares sold 3,714 shares August 11, 2026

Prior shares sold 2,039 shares August 19, 2026

Prior shares sold 981 shares October 5, 2026

Key Terms

Rule 144, Exercise of Stock Options, attorney-in-fact

3 terms

Rule 144 regulatory

"sales are required by paragraph (e) of Rule 144 to be aggregated"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Exercise of Stock Options financial

"Exercise of Stock Options"

attorney-in-fact regulatory

"as attorney-in-fact for Shannon Parisotto"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many CRL shares did Shannon M. Parisotto propose to sell?

The proposed sale is 2,156 common shares, with an approximate sale date of October 21, 2026. The notice lists an aggregate market value of $742,547.96 and names UBS Financial Services, Inc.

What prior CRL sales did Shannon M. Parisotto report?

For the preceding three months, the notice lists a sale of 5,046 shares for $1,327,098.00 on August 5, 2026; 3,714 shares for $1,038,657.24 on August 11, 2026; 2,039 shares for $599,710.68 on August 19, 2026; and 981 shares for $302,579.64 on October 5, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/21/2026 - 04:20 PM EDT Accepted by SEC EDGAR 10/21/2026 - 04:05 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001952784
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SEC File Number	001-15943
Address of Issuer	251 BALLARDVALE ST WILMINGTON MASSACHUSETTS 01887
Phone	781-222-6000
Name of Person for Whose Account the Securities are To Be Sold	Parisotto Shannon M
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	UBS Financial Services, Inc 11 Madison Ave 4th Floor New York NY 10010	2156	742547.96	47738872	10/21/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	10/21/2026	Exercise of Stock Options	Issuer			2156	10/21/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Shannon M. Parisotto 251 BALLARDVALE ST WILMINGTON MA 01887	Common	08/05/2026	5046	1327098.00
Shannon M. Parisotto 251 BALLARDVALE ST WILMINGTON MA 01887	Common	08/11/2026	3714	1038657.24
Shannon M. Parisotto 251 BALLARDVALE ST, WILMINGTON DE 01887	Common	08/19/2026	2039	599710.68
Shannon M. Parisotto 251 BALLARDVALE ST WILMINGTON DE 01887	Common	10/05/2026	981	302579.64

144: Remarks and Signature

Remarks
Date of Notice	10/21/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/04/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ UBS Financial Services Inc, as attorney-in-fact for Shannon Parisotto
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)