Was Michael G. Erickson’s IDEXX (IDXX) share disposition an open-market sale?

The disposition of 974 IDEXX common shares used a price of $629.35 per share, the Nasdaq closing price on February 13, 2026. It was coded as a tax-withholding transaction, meaning shares were delivered to satisfy tax obligations rather than sold in the open market.

IDXX Form 4 reports multiple insider transactions

Q: What equity awards did IDEXX (IDXX) grant to Michael G. Erickson?

IDEXX granted Michael G. Erickson 4,739 and 1,580 Restricted Stock Units on February 12, 2026. Each RSU represents a contingent right to receive one share of common stock, with both awards vesting in four annual installments starting February 14, 2027.

Q: How do Michael G. Erickson’s new RSUs at IDEXX (IDXX) vest?

The new RSU grants to Michael G. Erickson vest in four annual installments beginning February 14, 2027. Upon vesting, these RSUs will be deferred and recorded in an account under IDEXX’s Deferred Compensation Plan, to be paid after separation or on a specified date.

Q: How are Michael G. Erickson’s deferred RSUs handled at IDEXX (IDXX)?

Certain RSUs were deferred under IDEXX’s Deferred Compensation Plan. Upon vesting, these RSUs are recorded in a plan account and represent a contingent right to receive one share of common stock, payable after Erickson’s separation from IDEXX or on a date he specified.

Erickson Michael G reported multiple insider transaction types in a Form 4 filing for IDXX.

Filing Impact

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Filing Sentiment

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Sentiment and the balance of points

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Form Type

Rhea-AI Filing Summary

Erickson Michael G reported multiple insider transaction types in a Form 4 filing for IDXX. The filing lists transactions totaling 12,019 shares at a weighted average price of $629.35 per share. Following the reported transactions, holdings were 550 shares.

Insider Trade Summary

2,363 shares exercised/converted

Exercise 15 txns

Insider Erickson Michael G

Role Executive Vice President

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	184	$0.00	$0.00
Exercise	Restricted Stock Unit	92	$0.00	$0.00
Exercise	Restricted Stock Unit	94	$0.00	$0.00
Exercise	Restricted Stock Unit	301	$0.00	$0.00
Exercise	Restricted Stock Unit	184	$0.00	$0.00
Exercise	Restricted Stock Unit	1,508	$0.00	$0.00
Exercise	Common Stock	92	$0.00	$0.00
Exercise	Common Stock	94	$0.00	$0.00
Exercise	Common Stock	301	$0.00	$0.00
Exercise	Common Stock	184	$0.00	$0.00
Exercise	Common Stock	1,508	$0.00	$0.00
Exercise	Common Stock	184	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	974	$629.35	$613K
Grant/Award	Restricted Stock Unit	4,739	$0.00	$0.00
Grant/Award	Restricted Stock Unit	1,580	$0.00	$0.00

Holdings After Transaction: Restricted Stock Unit — 8,115 contracts (Direct); Common Stock — 12,693.351 shares (Direct)

Footnotes (12)

F1. Includes 17.386 shares purchased under the Issuer Employee Stock Purchase Plan ('ESPP') on September 30, 2025 and December 31, 2025. There are a total of 137.351 shares held in the ESPP which has been reduced by 0.005 shares due to a rounding calculation of previously issued fractional shares.
F2. 2. Represents Restricted Stock Units ('RSU') that were granted on February 14, 2025, were deferred in accordance with the Issuer's Deferred Compensation Plan and have vested. Upon vesting, these RSUs were recorded in an account under such Plan and represents a contingent right to receive one share of Issuer common stock that is payable as soon as practicable after the reporting person's separation of service with the Issuer or a date specified by the reporting person.
F3. Closing price of Issuer common stock on Nasdaq Global Select Market on February 13, 2026.
F4. Includes 184 vested but deferred RSUs.
F5. Each RSU represents a contingent right to receive one share of Issuer common stock that vests in four annual installments, beginning February 14, 2027.
F6. Grant of RSUs that upon vesting, will be deferred and recorded in an account under the Issuer's Deferred Compensation Plan. This RSU grant vests in four annual installments, beginning February 14, 2027.
F7. Represents RSUs that were granted on February 14, 2025 and deferred in accordance with the Issuer's Deferred Compensation Plan and represents a contingent right to receive one share of Issuer common stock vesting in four annual installments, beginning February 14, 2026. Upon vesting, each such RSU will be recorded in an account under such Plan.
F8. Each RSU represents a contingent right to receive one share of Issuer common stock that vested in four annual installments beginning on February 14, 2023.
F9. Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments beginning on February 14, 2024.
F10. Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments beginning on February 14, 2025.
F11. Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments, beginning February 14, 2026.
F12. Each RSU represents a contingent right to receive one share of Issuer common stock and vested in one installment on February 14, 2026.

FAQ

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

What equity awards did IDEXX (IDXX) grant to Michael G. Erickson?

IDEXX granted Michael G. Erickson 4,739 and 1,580 Restricted Stock Units on February 12, 2026. Each RSU represents a contingent right to receive one share of common stock, with both awards vesting in four annual installments starting February 14, 2027.

How do Michael G. Erickson’s new RSUs at IDEXX (IDXX) vest?

The new RSU grants to Michael G. Erickson vest in four annual installments beginning February 14, 2027. Upon vesting, these RSUs will be deferred and recorded in an account under IDEXX’s Deferred Compensation Plan, to be paid after separation or on a specified date.

What transactions did Michael G. Erickson report on February 14, 2026 for IDEXX (IDXX)?

On February 14, 2026, Michael G. Erickson reported multiple RSU exercises converting into common stock at no exercise price. He also disposed of 974 common shares at $629.35 per share to cover tax liabilities through share withholding, not an open-market sale.

How are Michael G. Erickson’s deferred RSUs handled at IDEXX (IDXX)?

Certain RSUs were deferred under IDEXX’s Deferred Compensation Plan. Upon vesting, these RSUs are recorded in a plan account and represent a contingent right to receive one share of common stock, payable after Erickson’s separation from IDEXX or on a date he specified.

What additional IDEXX (IDXX) shares does Michael G. Erickson hold through the ESPP?

Michael G. Erickson’s holdings include shares from the Employee Stock Purchase Plan, with 17.386 shares purchased on September 30 and December 31, 2025. In total, 137.351 shares are held in the ESPP, adjusted slightly due to rounding of previously issued fractional shares.

What are the vesting schedules for Michael G. Erickson’s earlier IDEXX (IDXX) RSU awards?

Erickson’s prior RSU awards vest in four annual installments beginning on dates including February 14, 2023, 2024, 2025, and 2026, with one grant vesting in a single installment on February 14, 2026. Each RSU converts into one share of IDEXX common stock upon vesting.

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Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 02/17/2026 - 07:30 PM EST

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
Estimated average burden
hours per response:			0.5

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^*

Erickson Michael G

(Last)

(First)

(Middle)

ONE IDEXX DRIVE

(Street)

WESTBROOK

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)
02/12/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/14/2026		M		92	A	$0	11,396.351⁽¹⁾	D
Common Stock	02/14/2026		M		94	A	$0	11,490.351	D
Common Stock	02/14/2026		M		301	A	$0	11,791.351	D
Common Stock	02/14/2026		M		184	A	$0	11,975.351	D
Common Stock	02/14/2026		M		1,508	A	$0	13,483.351	D
Common Stock	02/14/2026		M		184⁽²⁾	A	$0	13,667.351	D
Common Stock	02/14/2026		F		974	D	$629.35⁽³⁾	12,693.351⁽⁴⁾	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Unit	⁽⁵⁾	02/12/2026		A		4,739		⁽⁵⁾	⁽⁵⁾	Common Stock	4,739	$0	4,739	D
Restricted Stock Unit	⁽⁶⁾	02/12/2026		A		1,580		⁽⁶⁾	⁽⁶⁾	Common Stock	1,580	$0	1,580	D
Restricted Stock Unit	⁽⁷⁾	02/14/2026		M			184	⁽⁷⁾	⁽⁷⁾	Common Stock	184	$0	550	D
Restricted Stock Unit	⁽⁸⁾	02/14/2026		M			92	⁽⁸⁾	⁽⁸⁾	Common Stock	92	$0	0	D
Restricted Stock Unit	⁽⁹⁾	02/14/2026		M			94	⁽⁹⁾	⁽⁹⁾	Common Stock	94	$0	94	D
Restricted Stock Unit	⁽¹⁰⁾	02/14/2026		M			301	⁽¹⁰⁾	⁽¹⁰⁾	Common Stock	301	$0	602	D
Restricted Stock Unit	⁽¹¹⁾	02/14/2026		M			184	⁽¹¹⁾	⁽¹¹⁾	Common Stock	184	$0	550	D
Restricted Stock Unit	⁽¹²⁾	02/14/2026		M			1,508	⁽¹²⁾	⁽¹²⁾	Common Stock	1,508	$0	0	D

Explanation of Responses:

1. Includes 17.386 shares purchased under the Issuer Employee Stock Purchase Plan ('ESPP') on September 30, 2025 and December 31, 2025. There are a total of 137.351 shares held in the ESPP which has been reduced by 0.005 shares due to a rounding calculation of previously issued fractional shares.

2. 2. Represents Restricted Stock Units ('RSU') that were granted on February 14, 2025, were deferred in accordance with the Issuer's Deferred Compensation Plan and have vested. Upon vesting, these RSUs were recorded in an account under such Plan and represents a contingent right to receive one share of Issuer common stock that is payable as soon as practicable after the reporting person's separation of service with the Issuer or a date specified by the reporting person.

3. Closing price of Issuer common stock on Nasdaq Global Select Market on February 13, 2026.

4. Includes 184 vested but deferred RSUs.

5. Each RSU represents a contingent right to receive one share of Issuer common stock that vests in four annual installments, beginning February 14, 2027.

6. Grant of RSUs that upon vesting, will be deferred and recorded in an account under the Issuer's Deferred Compensation Plan. This RSU grant vests in four annual installments, beginning February 14, 2027.

7. Represents RSUs that were granted on February 14, 2025 and deferred in accordance with the Issuer's Deferred Compensation Plan and represents a contingent right to receive one share of Issuer common stock vesting in four annual installments, beginning February 14, 2026. Upon vesting, each such RSU will be recorded in an account under such Plan.

8. Each RSU represents a contingent right to receive one share of Issuer common stock that vested in four annual installments beginning on February 14, 2023.

9. Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments beginning on February 14, 2024.

10. Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments beginning on February 14, 2025.

11. Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments, beginning February 14, 2026.

12. Each RSU represents a contingent right to receive one share of Issuer common stock and vested in one installment on February 14, 2026.

Remarks:

	/s/ Lily J. Lu, Attorney-in-Fact for Michael G. Erickson	02/17/2026
	** 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.

Source: View Original Filing on SEC EDGAR