IDEXX (IDXX) director receives new stock options and deferred units

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

IDEXX Laboratories director Irene Britt Chang reported equity awards in the form of stock options and deferred stock units. She received 525 non-qualified stock options with an exercise price of $533.92 per share and 234 deferred stock units, both as compensation grants. Following these awards, she holds 753 deferred stock units and 525 stock options directly, which vest in a single installment tied to the one-year anniversary of grant or the 2027 annual shareholder meeting.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Britt Irene Chang

Role null

Type	Security	Shares	Price	Value
Grant/Award	Non-Qualified Stock Option (right-to-buy)	525	$0.00	--
Grant/Award	Deferred Stock Unit	234	$0.00	--

Holdings After Transaction: Non-Qualified Stock Option (right-to-buy) — 525 shares (Direct, null); Deferred Stock Unit — 753 shares (Direct, null)

Footnotes (1)

Grant of option to buy shares of Issuer common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2027 annual meeting of shareholders, whichever event is earlier. Each deferred stock unit represents a contingent right to receive one share of Issuer common stock. These deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2027 annual meeting of shareholders, whichever event is earlier, and by default are payable as common stock as soon as practicable following the date of the Director's resignation from the Board of Directors.

Key Figures

Deferred stock units granted: 234 units Deferred stock units after grant: 753 units Stock options granted: 525 options +2 more

5 metrics

Deferred stock units granted 234 units Grant on May 12, 2026

Deferred stock units after grant 753 units Holdings following transaction

Stock options granted 525 options Non-qualified stock option grant on May 12, 2026

Option exercise price $533.92 per share Non-qualified stock option conversion price

Options after grant 525 options Total non-qualified options following transaction

Key Terms

Deferred Stock Unit, Non-Qualified Stock Option, exercise price, annual meeting of shareholders, +1 more

5 terms

Deferred Stock Unit financial

"Each deferred stock unit represents a contingent right to receive one share"

A deferred stock unit (DSU) is a promise from a company to give an employee or director the value of a share at a future date, paid in actual shares or cash when certain conditions are met (such as retirement or a set date). Think of it like a gift card that converts to company stock later; it aligns pay with long‑term performance and can affect future share count, compensation expense and potential cash needs, so investors watch DSUs for their impact on dilution and company finances.

Non-Qualified Stock Option financial

"Non-Qualified Stock Option (right-to-buy) with an exercise price of 533.9200"

A non-qualified stock option (NSO) is a contract that lets an employee or service provider buy company shares at a fixed price for a set period, like a voucher to purchase stock later at today’s price. It matters to investors because exercising NSOs creates ordinary income for the holder and can increase share count, affecting a company’s earnings and ownership mix; think of it as a future sale that can dilute existing shareholders and has immediate tax consequences for the recipient.

exercise price financial

"conversion_or_exercise_price": "533.9200""

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

annual meeting of shareholders financial

"on the date of the 2027 annual meeting of shareholders, whichever event is earlier"

A yearly gathering where a company’s owners (shareholders) vote on key items like electing the board, approving executive pay, and ratifying auditors, and receive updates on performance and strategy. Think of it as an annual town hall for owners: it matters to investors because outcomes and disclosures can affect leadership, corporate direction, dividend and governance policies, and therefore the company’s risk and potential return.

Board of Directors financial

"following the date of the Director's resignation from the Board of Directors"

The Board of Directors is a group of people chosen by a company's owners to help make big decisions and oversee how the company is run. They act like a team of advisors or managers, making sure the company stays on track and meets its goals. Their choices can influence the company's success and how it grows.

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Form 4 Insider Transactions: What Each Field Means →

05/14/2026 - 05:00 PM

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^*

Britt Irene Chang

(Last)

(First)

(Middle)

IDEXX LABORATORIES, INC.

ONE IDEXX DRIVE

(Street)

WESTBROOK

MAINE

04092

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/12/2026

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

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

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

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)

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)
Non-Qualified Stock Option (right-to-buy)	$533.92	05/12/2026		A		525		⁽¹⁾	05/11/2036	Common Stock	525	$0	525	D
Deferred Stock Unit	⁽²⁾	05/12/2026		A		234		⁽²⁾	⁽²⁾	Common Stock	234	$0	753	D

Explanation of Responses:

1. Grant of option to buy shares of Issuer common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2027 annual meeting of shareholders, whichever event is earlier.

2. Each deferred stock unit represents a contingent right to receive one share of Issuer common stock. These deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2027 annual meeting of shareholders, whichever event is earlier, and by default are payable as common stock as soon as practicable following the date of the Director's resignation from the Board of Directors.

Remarks:

	/s/ Lily J. Lu, Attorney-in-Fact for Irene Chang Britt	05/14/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What did Irene Britt Chang acquire in this IDEXX (IDXX) Form 4 filing?

Director Irene Britt Chang received equity awards, not open-market trades. She was granted 525 non-qualified stock options and 234 deferred stock units as compensation, increasing her direct holdings in IDEXX-related derivative securities.

What is the exercise price of the IDEXX (IDXX) stock options granted to Irene Britt Chang?

The non-qualified stock options granted to Irene Britt Chang carry an exercise price of $533.92 per share. This price is the amount she must pay per share to convert the options into IDEXX common stock in the future.

How many IDEXX (IDXX) deferred stock units does Irene Britt Chang hold after this transaction?

After the grant of 234 deferred stock units, Irene Britt Chang holds a total of 753 deferred stock units. Each deferred stock unit represents a contingent right to receive one share of IDEXX common stock upon settlement.

When do Irene Britt Chang’s IDEXX (IDXX) deferred stock units and options vest?

Both the deferred stock units and stock options vest in one installment on the one-year anniversary of the grant date or on the date of the 2027 annual shareholder meeting, whichever occurs earlier under the award terms.

Are Irene Britt Chang’s IDEXX (IDXX) deferred stock units settled in cash or stock?

The deferred stock units are, by default, payable in IDEXX common stock. They are generally settled as soon as practicable following the director’s resignation from the Board of Directors, according to the award’s terms.

Did this IDEXX (IDXX) Form 4 show any stock sales by Irene Britt Chang?

No stock sales were reported in this Form 4. The filing only shows compensation-related grants of 525 non-qualified stock options and 234 deferred stock units, both classified as acquisitions rather than open-market purchases or sales.