Key facts
- This page summarizes Sharon E. Underberg's Form 4 filing for IDEXX LABORATORIES INC /DE (IDXX).
- 12 reported transactions and 7 derivative rows are listed below.
- Accepted by SEC: 17 Feb 2026, 19:31.
Sharon E. Underberg - 12 Feb 2026 Form 4 Insider Report for IDEXX LABORATORIES INC /DE (IDXX)
- Reporting relationship
- EVP, GC & Corporate Secretary
- Issuer ticker
- IDXX
- Reported as of
- 12 Feb 2026
- Net transaction value
- -$157,967
- SEC form
- 4
- Accepted by SEC
- 17 Feb 2026, 19:31:16 UTC
- Prior SEC filing
- 12 Aug 2025
- Next SEC filing
- 05 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Lily J. Lu, Attorney-in-Fact for Sharon E. Underberg
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Sharon E. Underberg filed Form 4 for IDEXX LABORATORIES INC /DE (IDXX) on 17 Feb 2026.
Change
- Previous filing in this sequence was filed on 12 Aug 2025.
- Current net transaction value: -$157,967.
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 0001630353
Primary reporting owner
Underberg Sharon E.
- Relationship
- EVP, GC & Corporate Secretary
- Address
- ONE IDEXX DRIVE, WESTBROOK
- Signature
- /s/ Lily J. Lu, Attorney-in-Fact for Sharon E. Underberg
- Signature date
- 17 Feb 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
IDXX
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +173
- Change %
- +2.7%
- Price
- $0.000000
- Shares after
- 6,533
- Date
- 14 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
IDXX
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +176
- Change %
- +2.7%
- Price
- $0.000000
- Shares after
- 6,709
- Date
- 14 Feb 2026
- Ownership
- Direct
IDXX
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +218
- Change %
- +3.2%
- Price
- $0.000000
- Shares after
- 6,927
- Date
- 14 Feb 2026
- Ownership
- Direct
IDXX
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +265
- Change %
- +3.8%
- Price
- $0.000000
- Shares after
- 7,192
- Date
- 14 Feb 2026
- Ownership
- Direct
IDXX
transaction
Common Stock
Tax liability
- Transaction value
- $157,967
- Shares
- -251
- Change %
- -3.5%
- Price
- $629.35
- Shares after
- 6,941
- Date
- 14 Feb 2026
- Ownership
- Direct
- Footnotes
- F2
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)
Award
- Transaction value
- $0
- Shares
- +3,738
- Change %
- Price
- $0.000000
- Shares after
- 3,738
- Date
- 12 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 3,738
- Exercise price
- $617.20
- Footnotes
- F3
IDXX
transaction
Derivative
Incentive Stock Option (right-to-buy)
Award
- Transaction value
- $0
- Shares
- +162
- Change %
- Price
- $0.000000
- Shares after
- 162
- Date
- 12 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 162
- Exercise price
- $617.20
- Footnotes
- F4
IDXX
transaction
Derivative
Restricted Stock Unit
Award
- Transaction value
- $0
- Shares
- +891
- Change %
- Price
- $0.000000
- Shares after
- 891
- Date
- 12 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 891
- Exercise price
- Footnotes
- F5
IDXX
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- $0
- Shares
- -173
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 14 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 173
- Exercise price
- Footnotes
- F6
IDXX
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- $0
- Shares
- -176
- Change %
- -50%
- Price
- $0.000000
- Shares after
- 176
- Date
- 14 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 176
- Exercise price
- Footnotes
- F7
IDXX
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- $0
- Shares
- -218
- Change %
- -33%
- Price
- $0.000000
- Shares after
- 434
- Date
- 14 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 218
- Exercise price
- Footnotes
- F8
IDXX
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- $0
- Shares
- -265
- Change %
- -25%
- Price
- $0.000000
- Shares after
- 795
- Date
- 14 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 265
- Exercise price
- Footnotes
- F9
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 9 footnotes
Footnote F1
Includes a total of 21 shares purchased under the Issuer Employee Stock Purchase Plan ('ESPP') on September 30, 2025 and December 31, 2025. There are a total of 333.654 shares held in the ESPP which has been increased by 0.001 shares due to a rounding calculation of previously issued fractional shares.
Footnote F2
Closing price of Issuer common stock on Nasdaq Global Select Market on February 13, 2026.
Footnote F3
Grant of option to buy shares of Issuer common stock that becomes exercisable in four annual installments beginning February 14, 2027.
Footnote F4
Grant of option to buy shares of Issuer common stock that becomes exercisable in one installment on February 14, 2030.
Footnote F5
Each restricted stock unit ('RSU') represents a contingent right to receive one share of Issuer common stock and vests in four annual installments, beginning February 14, 2027.
Footnote F6
Each RSU represents a contingent right to receive one share of Issuer common stock that vested in four annual installments, beginning February 14, 2023.
Footnote F7
Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments, beginning February 14, 2024.
Footnote F8
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.
Footnote F9
Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments, beginning February 14, 2026.