Idexx Laboratories (IDXX) insider trading in the last 6 months

5 insiders sold $28.6M. No buys.

Quality Score10Average

We do the work for you. Every stock is scored and ranked, every 15 seconds while the market is open. Here it's 15 minutes behind. Pro members see it live.

See all 22 tradesSee it live, free until tomorrow morning. No account. No card. Then keep going with a free account.

Form 4 filings, newest first

SellSharon E. Underberg$4.4MEVP, GC & Corporate Secretaryat $688.25 on Nov 4, filed Nov 5

SellSharon E. UnderbergEVP, GC & Corporate Secretary$4.4Mat $688.25 on Nov 4, filed Nov 5

SellJonathan Jay Mazelsky$3.2MExecutive Chair of the Boardat $701.36 on Nov 4, filed Nov 5

SellJonathan Jay MazelskyExecutive Chair of the Board$3.2Mat $701.36 on Nov 4, filed Nov 5

SellJonathan Jay Mazelsky$2.8MExecutive Chair of the Boardat $699.33 on Nov 4, filed Nov 5

SellJonathan Jay MazelskyExecutive Chair of the Board$2.8Mat $699.33 on Nov 4, filed Nov 5

From SEC Form 4s, the newest filed Nov 5, 2026 · Insiders have 2 business days to file a trade

19 more filings on IDXX in the last 6 months, for Pro members. See them free →

Pro members see every filing on IDXX with what each insider bought or sold and at what price, and can turn on an optional alert when an insider buys.

Who files at Idexx Laboratories

Insider trades by person

Tested. Our top-scored stocks returned 2.2x the average stock over the next month. Reconstructed after the fact; recorded live since Sep 9, 2026. How we tested it

Questions about IDXX's insider trades

As of Nov 9, 2026: Idexx Laboratories (IDXX) has 22 insider filings on record in the last 6 months, the newest filed Nov 5, 2026. Its Quality Score is 10 (Average). Scores as of 8:53 AM ET, 15 minutes behind.

Are IDXX insiders buying or selling?

5 insiders sold $28.6M across 22 filings in the last 6 months. No open-⁠market buys on record. The newest filing: Sharon E. Underberg, EVP, GC & Corporate Secretary, sold $4.4M on Nov 4, 2026.

Who are IDXX's biggest insider sellers?

By the dollars of their sales in the last 6 months: Jonathan Jay Mazelsky (Executive Chair of the Board), 13 sales; Sharon E. Underberg (EVP, GC & Corporate Secretary), 3 sales; Michael Lane (Executive Vice President), 3 sales. 5 insiders sold in all.

When did an IDXX insider last buy?

No IDXX insider bought shares on the open market in the last 6 months, as filed on Form 4. The newest filing is a sale by Sharon E. Underberg on Nov 4, 2026.

Idexx Laboratories's page has its Quality Score, its chart, and its earnings. More in Healthcare and Pharma.

Idexx Laboratories (IDXX) insider trading in the last 6 months

Form 4 filings, newest first

Who files at Idexx Laboratories

Questions about IDXX's insider trades

Every insider trade, with its stock's score.