SZOSTAK M ANNE - 22 Aug 2025 Form 4 Insider Report for IDEXX LABORATORIES INC /DE (IDXX)

Reporting relationship: Director
Issuer ticker: IDXX
Reported as of: 22 Aug 2025
Net transaction value: -$963,822
SEC form: 4
Accepted by SEC: 26 Aug 2025, 17:00:16 UTC
Prior SEC filing: 23 May 2025
Next SEC filing: 11 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Lily J. Lu, Attorney-in-Fact for M. Anne Szostak

Key filing fact

SZOSTAK M ANNE filed Form 4 for IDEXX LABORATORIES INC /DE (IDXX) on 26 Aug 2025.

Key facts

This page summarizes SZOSTAK M ANNE's Form 4 filing for IDEXX LABORATORIES INC /DE (IDXX).
5 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 26 Aug 2025, 17:00.

Change

Previous filing in this sequence was filed on 23 May 2025.
Current net transaction value: -$963,822.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001094176 Primary reporting owner

SZOSTAK M ANNE

Relationship: Director
Address: ONE IDEXX DRIVE, WESTBROOK
Signature: /s/ Lily J. Lu, Attorney-in-Fact for M. Anne Szostak
Signature date: 26 Aug 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IDXX transaction

Common Stock

Options Exercise

Transaction value: $451,878
Shares: +2,187
Change %: +835%
Price: $206.62
Shares after: 2,449
Date: 22 Aug 2025
Ownership: Direct

IDXX transaction

Common Stock

Sale

Transaction value: $1,415,700
Shares: -2,187
Change %: -89%
Price: $647.33
Shares after: 262
Date: 22 Aug 2025
Ownership: Direct
Footnotes: F1

IDXX transaction

Common Stock

Gift

Transaction value: $0
Shares: -259
Change %: -14%
Price: $0.000000
Shares after: 1,542
Date: 22 Aug 2025
Ownership: Trust of M. Anne Szostak
Footnotes: F2

IDXX transaction

Common Stock

Gift

Transaction value: $0
Shares: +259
Change %
Price: $0.000000
Shares after: 259
Date: 22 Aug 2025
Ownership: The O'Hanian-Szostak Family Foundation
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

IDXX transaction Derivative

Non-Qualified Stock Option (right-to-buy)

Options Exercise

Transaction value
Shares: -2,187
Change %: -100%
Price
Shares after: 0
Date: 22 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,187
Exercise price: $206.62
Footnotes: F4, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Represents the weighted average price of the shares sold ranging from a low of $647.30 to a high of $647.45 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.

Footnote F2

The reporting person is the settlor of the Trust of M. Anne Szostak ("Trust") and the trustee of the Trust, has power to direct the distribution of Trust assets, and has the power to revoke or amend the Trust. The reporting person has a pecuniary interest in the shares held by the Trust.

Footnote F3

The reporting person is a trustee of The O'Hanian-Szostak Family Foundation ('Foundation') and has power to direct the distribution of assets held by the Foundation.

Footnote F4

Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vested in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event was earlier.

Footnote F5

Not applicable.