Idexx Laboratories Inc chair sells $17.7M in IDXX shares on the open market
The sale reduces the insider's holding by 23%, the filing shows.
A Form 4 filed on Nov 5 shows Jonathan Jay Mazelsky (Chair) selling 25,140 Idexx Laboratories Inc shares worth $17.7 million on Nov 4.
The filing does not mark the sale as made under a Rule 10b5-1 trading plan. Four Idexx Laboratories Inc insiders sold on the open market within 14 days, a pattern known as a cluster sell.
After the trade, the filing lists 83,803 shares held. The trade was reported within two business days, as Section 16 requires.
Details from the SEC filing:
| Company | Idexx Laboratories Inc (IDXX) |
|---|---|
| Insider | Jonathan Jay Mazelsky |
| Role | Chair |
| Transaction | Open-market sale (code S) |
| Shares | 25,140 |
| Average price | $703.19 |
| Value | $17,678,195 |
| Trade date | Nov 4, 2026 |
| Filed with the SEC | Nov 5, 2026, 5:01 PM ET |
| Shares held after | 83,803 |
| Ownership | Direct |
| Rule 10b5-1 plan | Not marked in the filing |
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Source: SEC Form 4. Information only, not investment advice. Not affiliated with or endorsed by the U.S. Securities and Exchange Commission.
