IDEXX officer Michael J. Lane proposes $2.74M share sale

The proposed sale consists of shares acquired through employee stock purchases, restricted-stock vesting and stock-option exercises.

Available on EDGAR 11/04/2026 - 04:05 PM EST Accepted by SEC EDGAR 11/04/2026 - 04:04 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Michael J. Lane, an officer of IDEXX Laboratories, Inc., reported a proposed sale of 3,979 shares of common stock, with an aggregate market value of $2,740,107.92 and an approximate sale date of November 4, 2026. The listed shares comprise 243 Employee Stock Purchase Plan shares, 2,059 restricted-stock shares, and 1,677 shares acquired through stock-option exercises.

Key Figures

Proposed shares to be sold: 3,979 shares Aggregate market value: $2,740,107.92 Shares outstanding: 78,786,265 shares +3 more

6 metrics

Proposed shares to be sold 3,979 shares IDEXX common stock

Aggregate market value $2,740,107.92 Proposed sale

Shares outstanding 78,786,265 shares Issuer shares outstanding

Employee Stock Purchase Plan shares 243 shares Listed with acquisition date December 31, 2020

Restricted Stock shares 2,059 shares Listed with acquisition date February 14, 2022

Exercised Shares 1,677 shares Listed with acquisition date November 3, 2020

Key Terms

Rule 144, Employee Stock Purchase Plan, Restricted Stock, Stock Options, +1 more

5 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144"

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.

Employee Stock Purchase Plan financial

"Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

Restricted Stock financial

"Restricted Stock"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Stock Options financial

"acquired upon the exercise of Stock Options"

Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.

aggregate market value financial

"aggregate market value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

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

How many IDXX shares does Michael J. Lane plan to sell?

Michael J. Lane, an officer, reported a proposed sale of 3,979 shares of IDEXX common stock, with an aggregate market value of $2,740,107.92 and an approximate sale date of November 4, 2026.

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

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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	0001740689
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	207-556-0300
Name of Person for Whose Account the Securities are To Be Sold	MICHAEL J LANE
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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	3979	2740107.92	78786265	11/04/2026	NASDAQ

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	12/31/2020	Employee Stock Purchase Plan	Issuer			243	12/31/2020	Cash
Common	02/14/2022	Restricted Stock	Issuer			2059	02/14/2022	Not Applicable
Common	11/03/2020	Exercised Shares	Issuer			1677	11/03/2020	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

Nothing to Report

144: Remarks and Signature

Remarks	The securities to be sold were acquired upon the exercise of Stock Options during the period of 11/03/2020 through 11/07/2023. The securities to be sold were acquired upon the purchase of Employee Stock Purchase Plan shares during the period of 12/31/2020 through 09/30/2025. The securities to be sold were acquired upon the vesting of restricted stock during the period of 02/14/2022 through 02/14/2026.
Date of Notice	11/04/2026
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/ Michael Joseph Lane
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)