Idexx (IDXX) Amends Form 5 to Correct Insider Share Count

Rhea-AI Filing Summary

Amendment to Form 5 for Michael G. Erickson, Executive Vice President of IDEXX Laboratories (IDXX). The amended filing corrects a previously reported omitted holding: on January 21, 2025 a Form 5 mistakenly reported an omitted holding of 8,588 shares. As of the issuer's fiscal year end 12/31/2024 the reporting person beneficially owned 9,742.366 shares. The filing states the overstatement was propagated into subsequent Forms 4 filed after the original Form 5 and before this amendment. The amendment is signed by an attorney-in-fact on behalf of the reporting person and dated 08/14/2025. The document contains no additional financial results, transactions with prices, or commentary beyond the ownership correction.

Positive

• Corrective amendment filed to disclose the accurate beneficial ownership number
• Disclosure identifies the specific error (omitted holding of 8,588 shares) and provides the corrected total (9,742.366 shares)

Negative

• Prior filings overstated holdings—the error was included in Forms 4 filed after the original Form 5
• No explanation of remediation or corrective steps beyond filing the amendment is provided in this document

Insights

Financial Analyst

TL;DR: Ownership correction clarifies share count but contains no earnings or transaction pricing to change valuation.

The amendment corrects a disclosure error in reported beneficial ownership, specifying that the reporting person beneficially owned 9,742.366 shares as of 12/31/2024 and that an earlier Form 5 erroneously omitted 8,588 shares which led to overstated balances on subsequent Forms 4. From a financial-analysis perspective, this filing only adjusts disclosure of insider holdings and provides no new revenue, earnings, or transaction-price data that would affect company valuation models. The item is relevant for ownership tracking and compliance checks but does not alter publicly reported financial metrics.

Corporate Governance Expert

TL;DR: Corrective amendment addresses disclosure compliance; the error raises governance and controls questions but was formally remedied.

The Form 5/A documents a corrective disclosure by an Executive Vice President via an attorney-in-fact, clarifying beneficial ownership as of the fiscal year end. The filing admits an erroneous prior submission and states the error carried into subsequent Form 4 filings. Timely amendment is necessary for Section 16 compliance and market transparency. The filing does not describe root-cause, remediation steps, or whether additional restatements of prior Forms 4 were submitted, leaving some governance follow-up items unresolved in this record.

SEC Form 5

FORM 5

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

ANNUAL 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:			3235-0362
Estimated average burden
hours per response:			1.0

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

Form 3 Holdings Reported.

Form 4 Transactions Reported.

1. Name and Address of Reporting Person^*

Erickson Michael G

(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. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2024

4. If Amendment, Date of Original Filed (Month/Day/Year)
01/21/2025

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 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 at end of Issuer's Fiscal Year (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
				Amount	(A) or (D)	Price
Common Stock							9,742.366(1)	D

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)
					(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. On January 21, 2025, the reporting person mistakenly filed a Form 5 reporting an omitted holding of 8,588 shares. As of December 31, 2024, the number of shares beneficially owned by the reporting person was 9,742.366 shares. This overstatement in the number of shares beneficially owned was included in the Forms 4 filed by the reporting person after such Form 5 was filed (and before this amendment was filed).

Remarks:

	/s/ Lily J. Lu, Attorney-in-Fact for Michael G. Erickson	08/14/2025
	** 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.
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 did the Form 5/A for IDEXX (IDXX) correct?

The amendment corrected an omitted holding: it states the reporting person beneficially owned 9,742.366 shares as of 12/31/2024 and that a prior Form 5 mistakenly reported an omitted holding of 8,588 shares.

Who is the reporting person in this Form 5/A for IDXX?

The reporting person is Michael G. Erickson, identified as Executive Vice President; the amendment is signed by an attorney-in-fact on his behalf.

Did the filing disclose any transaction prices or new derivative holdings?

No. The filing only corrects beneficial ownership counts and does not include transaction prices, derivative holdings, or additional financial details.

When was the corrective amendment signed?

The amendment is signed by Lily J. Lu, Attorney-in-Fact and dated 08/14/2025.

Does the filing state that Forms 4 were affected by the error?

Yes. The filing states the overstatement was included in Forms 4 filed by the reporting person after the original Form 5 and before this amendment.