IDEXX Laboratories (IDXX) director amends Form 3 to add 1 share

Rhea-AI Filing Summary

IDEXX Laboratories director Karen Peacock filed an amended initial insider report to correct her stated holdings. The Form 3/A clarifies that she beneficially owns 1 share of common stock directly, which was inadvertently omitted from her original Form 3. The amendment does not reflect a new buy or sell transaction; it simply updates the ownership record.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Peacock Karen

Role Director

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1 shares (Direct)

Footnotes (1)

1. [object Object]

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Peacock Karen

(Last) (First) (Middle)

ONE IDEXX DRIVE

(Street)

WESTBROOK ME 04092

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/06/2025

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

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

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

5. If Amendment, Date of Original Filed (Month/Day/Year)
10/14/2025

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	1(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This share was inadvertently omitted from the reporting person's original Form 3.

Remarks:

	/s/ Lily J. Lu, Attorney-in-Fact for Karen Peacock	10/20/2025
	** 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 5 (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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What does the IDEXX (IDXX) Form 3/A filed by Karen Peacock report?

The Form 3/A reports a correction to Karen Peacock’s initial insider holdings. It clarifies that she directly owns 1 share of IDEXX common stock that was inadvertently omitted from her original Form 3, without indicating any new purchase or sale.

Did Karen Peacock buy or sell IDEXX (IDXX) shares in this Form 3/A?

No, the Form 3/A does not show a new purchase or sale. It simply amends her original insider report to include 1 share of common stock that was previously left out by mistake, according to the filing footnote.

How many IDEXX (IDXX) shares does Karen Peacock report owning?

Karen Peacock reports beneficial ownership of 1 share of IDEXX common stock. The amended filing states this single share is held directly and was inadvertently omitted from her original Form 3, prompting the correction.

Why was an amended Form 3/A needed for IDEXX (IDXX) director Karen Peacock?

The amended Form 3/A was needed because one share of IDEXX common stock was inadvertently omitted from Karen Peacock’s original Form 3. The amendment corrects the record so that her reported direct ownership accurately includes this 1 share.

Does the IDEXX (IDXX) Form 3/A indicate any change in Karen Peacock’s insider status?

The Form 3/A does not indicate a change in Karen Peacock’s insider status. She remains a director, and the amendment solely updates her reported holdings to include 1 directly owned share that was mistakenly left out previously.