Idexx Laboratories Inc officer Sharon E. Underberg sells $6.13M of IDXX shares

Sharon E. Underberg sold $6.13 million of Idexx Laboratories Inc (IDXX) stock on Nov 4, according to an SEC filing. The officer received an average of $688.59 for 8,906 shares.

The Form 4 does not tick the Rule 10b5-1 box: the sale is not reported as part of a pre-arranged trading plan. The insider still holds 7,169 shares after the sale, 55% fewer than before.

The trade was reported within two business days, as Section 16 requires. Four Idexx Laboratories Inc insiders sold on the open market within 14 days, a pattern known as a cluster sell.

Figures come from the Form 4 filed with the SEC; the table lists the open-market rows this article covers.

The sale

Company	Idexx Laboratories Inc (IDXX)
Insider	Sharon E. Underberg
Role	EVP, GC & Corporate Secretary
Transaction	Open-market sale (code S)
Shares	8,906
Average price	$688.59
Value	$6,132,605
Trade date	Nov 4, 2026
Filed with the SEC	Nov 5, 2026, 5:02 PM ET
Shares held after	7,169
Ownership	Direct
Rule 10b5-1 plan	Not marked in the filing

Open the full breakdown of this IDXX trade

View the Form 4 on SEC.gov

See all insider activity at Idexx Laboratories Inc · Read the daily insider trading roundup

Source: SEC Form 4. Information only, not investment advice. Not affiliated with or endorsed by the U.S. Securities and Exchange Commission.