Key facts
- This page summarizes SZOSTAK M ANNE's Form 4 filing for IDEXX LABORATORIES INC /DE (IDXX).
- 2 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 11 May 2026, 17:10.
SZOSTAK M ANNE - 07 May 2026 Form 4 Insider Report for IDEXX LABORATORIES INC /DE (IDXX)
- Reporting relationship
- Director
- Issuer ticker
- IDXX
- Reported as of
- 07 May 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 11 May 2026, 17:10:58 UTC
- Prior SEC filing
- 26 Aug 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Lily J. Lu, Attorney-in-Fact for M. Anne Szostak
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
SZOSTAK M ANNE filed Form 4 for IDEXX LABORATORIES INC /DE (IDXX) on 11 May 2026.
Change
- Previous filing in this sequence was filed on 26 Aug 2025.
- Current net transaction value: $0.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 11 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
IDXX
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +257
- Change %
- +98%
- Price
- $0.000000*
- Shares after
- 519
- Date
- 07 May 2026
- Ownership
- Direct
IDXX
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,542
- Date
- 07 May 2026
- Ownership
- Trust of M. Anne Szostak
- Footnotes
- F1
IDXX
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 259
- Date
- 07 May 2026
- Ownership
- The O'Hanian-Szostak Family Foundation
- Footnotes
- F2
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
IDXX
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -257
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 07 May 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 257
- Exercise price
- Footnotes
- F3, F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote F1
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 F2
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 F3
Each restricted stock unit represents a contingent right to receive one share of Issuer common stock that vested in one installment on May 7, 2026.
Footnote F4
Not applicable.