Jonathan Jay Mazelsky $IDXX SEC Form 4 Insider Trading

Jonathan Jay Mazelsky has filed a total of 62 insider trades in $IDXX since 2021. Their most recent trade was a sale of 1,945 shares, made on Nov 04, 2026. Their largest trade was a sale of 13,424 shares, made on Aug 31, 2023. We estimate that they now own 108,943 shares of $IDXX, worth an estimated $47.3 million.

Insider Trading at $IDXX

There have been a total of 247 insider trades reported at $IDXX since 2021, with 0 shares purchased and 468,785 shares sold. The most active insider traders in $IDXX stock have been Jonathan Jay Mazelsky, Michael Lane, and James F Polewaczyk. The most recent trade was a sale of 6,348 shares reported by Sharon E. Underberg (EVP, GC & Corporate Secretary), made on Nov 04, 2026.

$IDXX Executives and Stock Owners with Insider Trades

• Jonathan Jay Mazelsky, President and CEO

• Michael Lane, Executive Vice President

• James F Polewaczyk, Executive Vice President

• Brian P Mckeon, Executive VP & CFO

• Jonathan Jay Mazelsky, President & CEO

• Jonathan Jay Mazelsky, Executive Chair of the Board

• Nimrata Hunt, Executive Vice President

• Brian P Mckeon, EVP, CFO and Treasurer

• George Fennell, Executive Vice President

• Kathy V Turner, Senior Vice President

• Michael G Erickson, Executive Vice President

• George Fennell, SVP, Chief Revenue Officer

• Giovani Twigge, Senior Vice President

• Sharon E. Underberg, EVP, GC & Corporate Secretary

*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.