Sharon E. Underberg

CIK: 0001630353

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (4.2%)

Position reduction

Option Exercises (M)11 (45.8%)

Derivative conversions

Awards (A)10 (41.7%)

Compensation grants

Other (G, F, J, C, D, …)2 (8.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

IDXX

IDEXX LABORATORIES INC /DE

Officer

Discretionary Trading P&L

Holdings

Transaction History (24 total)

IDXX
IDEXX LABORATORIES INC /DE
Mar 3, 2026
Exercise(M)
Direct
197 shares at avg. $505.53$100K
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2026
Exercise(M)
Direct
265 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2026
Exercise(M)
Direct
176 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2026
Exercise(M)
Direct
218 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2026
Tax Payment(F)
Direct
251 shares at avg. $629.35$158K
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2026
Exercise(M)
Direct
173 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 12, 2026
Award(A)
Incentive Stock Option (right-to-buy)
Direct
162 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 12, 2026
Award(A)
Non-Qualified Stock Option (right-to-buy)
Direct
3.7K shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 12, 2026
Award(A)
Restricted Stock Unit
Direct
891 shares-
IDXX
IDEXX LABORATORIES INC /DE
Aug 12, 2025
Exercise(M)
Direct
183 shares at avg. $544.08$100K
IDXX
IDEXX LABORATORIES INC /DE
Aug 8, 2025
Sale(S)
Direct
5.5K shares at avg. $651.60$3.6M
IDXX
IDEXX LABORATORIES INC /DE
Aug 8, 2025
Exercise(M)
Direct
5.5K shares at avg. $206.94$1.1M
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2025
Tax Payment(F)
Direct
219 shares at avg. $444.53$97K
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2025
Award(A)
Direct
173 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2025
Award(A)
Direct
137 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2025
Exercise(M)
Restricted Stock Unit
Direct
218 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2025
Award(A)
Direct
218 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2025
Award(A)
Direct
176 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2025
Exercise(M)
Restricted Stock Unit
Direct
137 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2025
Exercise(M)
Restricted Stock Unit
Direct
173 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 14, 2025
Exercise(M)
Restricted Stock Unit
Direct
176 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 13, 2025
Award(A)
Incentive Stock Option (right-to-buy)
Direct
217 shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 13, 2025
Award(A)
Restricted Stock Unit
Direct
1.1K shares-
IDXX
IDEXX LABORATORIES INC /DE
Feb 13, 2025
Award(A)
Non-Qualified Stock Option (right-to-buy)
Direct
4.5K shares-

		Type	Shares	Price		Ownership
Mar 3, 2026	IDXX IDEXX LABORATORIES INC /DE	Exercise(M)	197	$505.53	$99,589	Direct
Feb 14, 2026	IDXX IDEXX LABORATORIES INC /DE	Exercise(M)	265	-	$0	Direct
Feb 14, 2026	IDXX IDEXX LABORATORIES INC /DE	Exercise(M)	176	-	$0	Direct
Feb 14, 2026	IDXX IDEXX LABORATORIES INC /DE	Exercise(M)	218	-	$0	Direct
Feb 14, 2026	IDXX IDEXX LABORATORIES INC /DE	Tax Payment(F)	251	$629.35	$157,967	Direct
Feb 14, 2026	IDXX IDEXX LABORATORIES INC /DE	Exercise(M)	173	-	$0	Direct
Feb 12, 2026	IDXX IDEXX LABORATORIES INC /DE	Award(A) Incentive Stock Option (right-to-buy)	162	-	-	Direct
Feb 12, 2026	IDXX IDEXX LABORATORIES INC /DE	Award(A) Non-Qualified Stock Option (right-to-buy)	3,738	-	-	Direct
Feb 12, 2026	IDXX IDEXX LABORATORIES INC /DE	Award(A) Restricted Stock Unit	891	-	-	Direct
Aug 12, 2025	IDXX IDEXX LABORATORIES INC /DE	Exercise(M)	183	$544.08	$99,567	Direct
Aug 8, 2025	IDXX IDEXX LABORATORIES INC /DE	Sale(S)	5,450	$651.60	$3,551,220	Direct
Aug 8, 2025	IDXX IDEXX LABORATORIES INC /DE	Exercise(M)	5,450	$206.94	$1,127,823	Direct
Feb 14, 2025	IDXX IDEXX LABORATORIES INC /DE	Tax Payment(F)	219	$444.53	$97,352	Direct
Feb 14, 2025	IDXX IDEXX LABORATORIES INC /DE	Award(A)	173	-	-	Direct
Feb 14, 2025	IDXX IDEXX LABORATORIES INC /DE	Award(A)	137	-	-	Direct
Feb 14, 2025	IDXX IDEXX LABORATORIES INC /DE	Exercise(M) Restricted Stock Unit	218	-	-	Direct
Feb 14, 2025	IDXX IDEXX LABORATORIES INC /DE	Award(A)	218	-	-	Direct
Feb 14, 2025	IDXX IDEXX LABORATORIES INC /DE	Award(A)	176	-	-	Direct
Feb 14, 2025	IDXX IDEXX LABORATORIES INC /DE	Exercise(M) Restricted Stock Unit	137	-	-	Direct
Feb 14, 2025	IDXX IDEXX LABORATORIES INC /DE	Exercise(M) Restricted Stock Unit	173	-	-	Direct
Feb 14, 2025	IDXX IDEXX LABORATORIES INC /DE	Exercise(M) Restricted Stock Unit	176	-	-	Direct
Feb 13, 2025	IDXX IDEXX LABORATORIES INC /DE	Award(A) Incentive Stock Option (right-to-buy)	217	-	-	Direct
Feb 13, 2025	IDXX IDEXX LABORATORIES INC /DE	Award(A) Restricted Stock Unit	1,060	-	-	Direct
Feb 13, 2025	IDXX IDEXX LABORATORIES INC /DE	Award(A) Non-Qualified Stock Option (right-to-buy)	4,504	-	-	Direct

1-24 of 24 transactions

About Underberg Sharon E.

Underberg Sharon E. (SEC CIK 0001630353) files insider reports with the SEC as EVP, GC & Corporate Secretary of IDEXX LABORATORIES INC /DE (IDXX).

Signal8 holds 4 ownership filings by Underberg Sharon E., all Form 4s, filed between Feb 18, 2025 and Mar 5, 2026. Those filings report 24 transactions, from Feb 13, 2025 to Mar 3, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Underberg Sharon E.'s filings is in WESTBROOK, ME.

Recent filings by Underberg Sharon E.

Mar 3, 2026: Option exercise of IDXX shares (Form 4, code M).
Feb 14, 2026: Option exercises of IDXX shares (3 lines, Form 4, code M).
Feb 14, 2026: Tax withholding of IDXX shares (Form 4, code F).
Feb 14, 2026: Option exercise of IDXX shares (Form 4, code M).
Feb 12, 2026: Grants or awards of IDXX derivative securities (3 lines, Form 4, code A).

Other insiders filing for IDEXX LABORATORIES INC /DE (IDXX)

HOOLEY JOSEPH L, Director
Kingsley Lawrence D, Director
Emerson Andrew, EVP, CFO and Treasurer
FENNELL GEORGE, Executive Vice President
Vandebroek Sophie V., Director
SAMAD SAM, Director

How to read Form 4 transaction codes