[Form 4] Idexx Laboratories Inc Insider Trading Activity

Rhea-AI Filing Summary

Michael Lane, Executive Vice President of Idexx Laboratories (IDXX), reported multiple stock and option transactions dated 08/06/2025. The filing shows acquisitions of 1,286 and 7,125 shares (prices listed as $206.94 and $288.78), and dispositions of 5,631, 2,480 and 300 shares at weighted-average prices of $627.5634, $627.9911 and $628.8866, respectively. After these transactions the filing reports total direct beneficial ownership of 7,131.9435 shares and an additional 592 shares held indirectly by the reporting person’s spouse in an IRA.

The filing also lists non-qualified stock option awards related to the reporting person: a right associated with 1,286 underlying shares (exercise price $206.94) and a right associated with 7,125 underlying shares (exercise price $288.78). Explanations note prior grants exercisable in installments beginning in 2020 and 2021 and purchases of 28.7090 shares under the issuer’s Employee Stock Purchase Plan.

Positive

• Acquisitions of 8,411 shares reported (1,286 at $206.94 and 7,125 at $288.78), demonstrating additional insider stock exposure.
• Non-qualified stock option awards are disclosed for 1,286 and 7,125 underlying shares with stated exercise prices, providing clarity on potential future share issuance.
• Employee Stock Purchase Plan purchases of 28.7090 shares are explicitly disclosed in the explanations.

Negative

• Dispositions of 8,411 shares reported across multiple sales at high weighted-average prices (~$627.56 to $628.89), reducing direct holdings to 7,131.9435 shares.
• Significant transaction volume (total shares bought and sold equal 8,411) may be viewed by some investors as notable insider trading activity given the large absolute share counts.

Insights

Securities Analyst

TL;DR: Insider reported matched purchases and sales totaling 8,411 shares, leaving ~7,132 shares directly owned.

The reported activity is detailed and sizeable in share count: acquisitions of 8,411 shares at substantially lower per-share prices and dispositions of 8,411 shares at approximately $627–$629 per share, resulting in reported direct beneficial ownership of 7,131.9435 shares and 592 shares held indirectly by the spouse. The filing also confirms existing non-qualified stock option awards tied to 1,286 and 7,125 underlying shares with documented exercise prices.

Corporate Governance Expert

TL;DR: Routine executive stock and option reporting; transactions are material in size but appear to be documented transparently.

The Form 4 provides clear line-item disclosure of acquisitions, sales and option holdings for an Executive Vice President and Director. The presence of option grants exercisable in installments and ESPP purchases is explicitly disclosed. From a governance and disclosure perspective, the form meets Section 16 transparency requirements by reporting quantities, prices and ownership form, enabling investors to see the changes in beneficial ownership.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lane Michael

(Last) (First) (Middle)

ONE IDEXX DRIVE

(Street)

WESTBROOK ME 04092

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
IDEXX LABORATORIES INC /DE [ IDXX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Vice President

3. Date of Earliest Transaction (Month/Day/Year)
08/06/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/06/2025		M		1,286	A	$206.94	8,417.9435(1)	D
Common Stock	08/06/2025		M		7,125	A	$288.78	15,542.9435	D
Common Stock	08/06/2025		S		5,631	D	$627.5634(2)	9,911.9435	D
Common Stock	08/06/2025		S		2,480	D	$627.9911(3)	7,431.9435	D
Common Stock	08/06/2025		S		300	D	$628.8866(4)	7,131.9435	D
Common Stock								592(5)	I	by spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-Qualified Stock Option (right-to-buy)	$206.94	08/06/2025		M			1,286	(6)	02/13/2029	Common Stock	1,286	$0	0	D
Non-Qualified Stock Option (right-to-buy)	$288.78	08/06/2025		M			7,125	(7)	02/13/2030	Common Stock	7,125	$0	0	D

Explanation of Responses:

1. Includes a total of 28.7090 shares purchased under the Issuer Employee Stock Purchase Plan on March 31, 2025 and June 30, 2025.

2. Represents the weighted average price of the shares sold ranging from a low of $626.70 to a high of $627.69 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.

3. Represents the weighted average price of the shares sold ranging from a low of $627.70 to a high of $628.62 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.

4. Represents the weighted average price of the shares sold ranging from a low of $628.82 to a high of $628.94 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.

5. Held by the reporting person's spouse in an IRA account. The reporting person disclaims beneficial ownership of the shares of common stock held by his spouse except to the extent of his pecuniary interest therein.

6. Grant of option to buy 8,366 shares of Issuer common stock that became exercisable in five annual installments beginning February 14, 2020.

7. Grant of option to buy 7,125 shares of Issuer common stock that became exercisable in four annual installments beginning February 14, 2021.

Remarks:

	/s/ Lily J. Lu, Attorney-in-Fact for Michael Lane	08/08/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What transactions did Michael Lane report on the IDXX Form 4?

The Form 4 reports acquisitions of 1,286 and 7,125 shares and sales of 5,631, 2,480 and 300 shares, plus related option disclosures.

How many IDXX shares does Michael Lane beneficially own after these transactions?

The filing shows direct beneficial ownership of 7,131.9435 shares and 592 shares held indirectly by his spouse in an IRA.

At what prices were the shares sold according to the filing?

The weighted-average sale prices disclosed are $627.5634, $627.9911, and $628.8866 per share; explanations provide ranges for each lot.

What option awards are disclosed for Michael Lane on this Form 4?

The filing discloses non-qualified stock option rights related to 1,286 underlying shares (exercise price $206.94) and 7,125 underlying shares (exercise price $288.78).

Are there any indirect holdings reported in the Form 4?

Yes, the filing states 592 shares are held by the reporting person’s spouse in an IRA, and the reporting person disclaims beneficial ownership except to the extent of pecuniary interest.