Insider sale notice: IDEXX Labs (NASDAQ: IDXX) files Form 144

Rhea-AI Filing Summary

IDXX filed a Form 144 reporting a proposed sale of Common Stock through Goldman Sachs & Co. LLC. The filing lists multiple lots of Restricted Stock Units acquired as compensation on 05/11/2022, 05/11/2023, 05/06/2024, 05/06/2025, and 05/07/2026 with indicated share counts.

Insights

Corporate Governance Analyst

Form 144 lists proposed insider disposals of Common Stock tied to prior RSU awards.

The filing identifies Goldman Sachs & Co. LLC as the broker and enumerates five RSU acquisition dates with associated share counts (224; 344; 257; 262; 257). These line items are presented as securities to be sold.

Because the excerpt provides discrete grant dates and share counts but no aggregate sale amount or timing, the precise proceeds, net holdings after sale, and whether sales are planned under a trading plan are not shown in the provided text. Subsequent filings or the full Form 144 may disclose execution details.

Key Figures

RSU lot: 224 shares RSU lot: 344 shares RSU lot: 257 shares +2 more

5 metrics

RSU lot 224 shares acquired as compensation on 05/11/2022

RSU lot 344 shares acquired as compensation on 05/11/2023

RSU lot 257 shares acquired as compensation on 05/06/2024

RSU lot 262 shares acquired as compensation on 05/06/2025

RSU lot 257 shares acquired as compensation on 05/07/2026

Key Terms

Form 144, Restricted Stock Units, Broker-dealer

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Units financial

"Acquired as compensation -- Restricted Stock Units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Broker-dealer financial

"Goldman Sachs & Co. LLC 200 West Street New York NY 10282"

A broker-dealer is a licensed firm or individual that both executes trades on behalf of clients (acting as a broker) and buys or sells securities for its own account (acting as a dealer). Investors care because broker-dealers provide the plumbing of markets — they place orders, hold or move cash and securities, offer research or advice, and their stability and fees directly affect trade execution, costs, and the safety of client funds; think of them as a combined travel agent and taxi for your investments.

FAQ

What does the IDXX Form 144 filing mean?

It notifies the SEC of a proposed sale of Common Stock by an affiliate. The filing lists RSU lots with acquisition dates and share counts and names Goldman Sachs as the broker; it does not itself report completed trades.

Which broker is handling the proposed sales for IDXX?

The filing names Goldman Sachs & Co. LLC as the broker. The excerpt shows the broker address at 200 West Street, New York, and associates the proposed Common Stock sales with that broker.

How many Restricted Stock Unit lots are listed in the filing?

Five RSU lots are listed with acquisition dates 05/11/2022, 05/11/2023, 05/06/2024, 05/06/2025, and 05/07/2026 and share counts 224, 344, 257, 262, and 257 respectively.

Does the Form 144 show the dollar proceeds or execution timing?

The provided excerpt does not include a dollar proceeds total or an execution date. It lists securities to be sold and acquisition lots; details on proceeds and sale timing are not present in the excerpt.

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

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Accepted by SEC EDGAR 05/20/2026 - 06:30 PM 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	0001094176
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	IDEXX Laboratories, Inc.
SEC File Number	000-19271
Address of Issuer	One Idexx Drive Westbrook MAINE 04092
Phone	1-207-556-0300
Name of Person for Whose Account the Securities are To Be Sold	Margaret Anne Szostak
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	Director

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 Stock	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	1344	744011.52	78882997	05/20/2026	NASD

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 Stock	05/11/2022	Acquired as compensation -- Restricted Stock Units	Issuer			224	05/11/2022	Compensation
Common Stock	05/11/2023	Acquired as compensation -- Restricted Stock Units	Issuer			344	05/11/2023	Compensation
Common Stock	05/06/2024	Acquired as compensation -- Restricted Stock Units	Issuer			257	05/06/2024	Compensation
Common Stock	05/06/2025	Acquired as compensation -- Restricted Stock Units	Issuer			262	05/06/2025	Compensation
Common Stock	05/07/2026	Acquired as compensation -- Restricted Stock Units	Issuer			257	05/07/2026	Compensation

* 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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	05/20/2026
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	Goldman Sachs & Co. LLC on behalf of Margaret Anne Szostak
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)