IDXX IDEXX Laboratories, Inc.

NASDAQ
$509.56

IDEXX Laboratories, Inc. (IDXX) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal In line Selling ran in line with IDXX's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 1 seller in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
6
36 transactions
Purchases
$0
0 shares
Sales
$37.7M
57,585 shares
Net activity
-$37.7M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $37.7M 36 transactions · 57,585 shares

Largest single sale: $3.6M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Kingsley Lawrence D Director Sell 2,203 $532.08 $1.2M 9,568 −18.7% of holding
Hunt Nimrata Executive Vice President Sell 1,758 $634.57 $1.1M 18,141 −8.8% of holding
MAZELSKY JONATHAN JAY 13 fills President and CEO Sell 23,326 $657.55 $15.3M 105,651 −18.1% of holding
Hunt Nimrata Executive Vice President Sell 2,693 $661.54 $1.8M 19,899 −11.9% of holding
Erickson Michael G 6 fills Executive Vice President Sell 5,371 $627.38 $3.4M 17,608 −23.4% of holding
Vandebroek Sophie V. 2 fills Director Sell 1,464 $628.62 $920.3K 1,167 −55.6% of holding
FENNELL GEORGE 8 fills Executive Vice President Sell 11,345 $646.72 $7.3M 20,038 −36.2% of holding
Hunt Nimrata 4 fills Executive Vice President Sell 9,425 $703.34 $6.6M 25,460 −27% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.