There have been 50 recent insider transactions recorded for IDEXX Laboratories, Inc. (IDXX), including 18 buys and 31 sells. Total insider buying was valued at $699.25K and total insider selling at $7.88M.
Notable insiders with recent activity include Underberg Sharon E., Hunt Nimrata, Mazelsky Jonathan Jay. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — IDXX
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-03 |
Underberg Sharon E. |
EVP, Gc & Corporate Secretary |
Option Exercise (Sell) |
197 |
$505.53 |
$99.59K |
- |
| 2026-03-03 |
Hunt Nimrata |
Executive Vice President |
Informative Sell |
1,758 |
$634.57 |
$1.12M |
18,141 |
| 2026-02-27 |
Mazelsky Jonathan Jay |
President and CEO |
Option Exercise (Sell) |
197 |
$505.53 |
$99.59K |
- |
| 2026-02-26 |
Hunt Nimrata |
Executive Vice President |
Informative Sell |
2,693 |
$661.54 |
$1.78M |
19,899 |
| 2026-02-26 |
Mazelsky Jonathan Jay |
President and CEO |
Option Exercise (Sell) |
23,326 |
$141.60 |
$3.3M |
- |
| 2026-02-19 |
Erickson Michael G |
Executive Vice President |
Option Exercise (Sell) |
719 |
$141.60 |
$101.81K |
- |
| 2026-02-17 |
Vandebroek Sophie V. |
Director |
Option Exercise (Sell) |
945 |
$333.90 |
$315.54K |
- |
| 2026-02-17 |
Erickson Michael G |
Executive Vice President |
Option Exercise (Sell) |
1,191 |
$141.60 |
$168.65K |
- |
| 2026-02-14 |
Mazelsky Jonathan Jay |
President and CEO |
Option Exercise (Sell) |
958 |
- |
- |
- |
| 2026-02-14 |
Smith Martin Alexander |
Executive Vice President |
Option Exercise (Sell) |
148 |
- |
- |
- |
| 2026-02-14 |
Underberg Sharon E. |
EVP, Gc & Corporate Secretary |
Option Exercise (Sell) |
173 |
- |
- |
- |
| 2026-02-14 |
Lane Michael |
Executive Vice President |
Option Exercise |
204 |
- |
- |
7,357 |
| 2026-02-14 |
Schreck Michael |
Executive Vice President |
Option Exercise (Sell) |
1,005 |
- |
- |
- |
| 2026-02-12 |
Mazelsky Jonathan Jay |
President and CEO |
RSU Award |
13,407 |
- |
- |
13,407 |
| 2026-02-12 |
Smith Martin Alexander |
Executive Vice President |
RSU Award |
162 |
$617.20 |
$99.99K |
162 |
| 2026-02-12 |
Underberg Sharon E. |
EVP, Gc & Corporate Secretary |
RSU Award |
162 |
$617.20 |
$99.99K |
162 |
| 2026-02-12 |
Lane Michael |
Executive Vice President |
RSU Award |
1,262 |
- |
- |
1,262 |
| 2026-02-12 |
Schreck Michael |
Executive Vice President |
RSU Award |
162 |
$617.20 |
$99.99K |
162 |
| 2026-02-12 |
Erickson Michael G |
Executive Vice President |
RSU Award |
162 |
$617.20 |
$99.99K |
162 |
| 2025-06-01 |
Johnson Michael Perkins |
Executive Vice President |
Option Exercise (Sell) |
3,382 |
- |
- |
- |
| 2025-05-21 |
Szostak M Anne |
Director |
Option Exercise (Sell) |
1,046 |
$160.28 |
$167.65K |
- |
| 2025-05-13 |
Junius Daniel M |
Director |
Option Exercise (Sell) |
1,279 |
$283.59 |
$362.71K |
- |
| 2025-05-09 |
Vandebroek Sophie V. |
Director |
Option Exercise (Sell) |
1,279 |
$283.59 |
$362.71K |
- |
| 2025-05-07 |
Junius Daniel M |
Director |
RSU Award |
257 |
- |
- |
257 |
| 2025-05-07 |
Szostak M Anne |
Director |
RSU Award |
257 |
- |
- |
257 |
| 2025-05-07 |
Essig Stuart |
Director |
RSU Award |
257 |
- |
- |
257 |
| 2025-05-07 |
Kingsley Lawrence D |
Director |
RSU Award |
82 |
- |
- |
82 |
| 2025-05-07 |
Claflin Bruce L. |
Director |
RSU Award |
257 |
- |
- |
257 |
| 2025-05-07 |
Vandebroek Sophie V. |
Director |
RSU Award |
257 |
- |
- |
257 |
| 2025-05-07 |
Britt Irene Chang |
Director |
RSU Award |
257 |
- |
- |
257 |
| 2025-05-07 |
Samad Sam |
Director |
RSU Award |
257 |
- |
- |
257 |
| 2025-05-06 |
Junius Daniel M |
Director |
Option Exercise (Sell) |
262 |
- |
- |
- |
| 2025-05-06 |
Szostak M Anne |
Director |
Option Exercise (Sell) |
262 |
- |
- |
- |
| 2025-05-06 |
Essig Stuart |
Director |
Option Exercise (Sell) |
262 |
- |
- |
- |
| 2025-05-06 |
Kingsley Lawrence D |
Director |
Option Exercise (Sell) |
84 |
- |
- |
- |
| 2025-05-06 |
Vandebroek Sophie V. |
Director |
Option Exercise (Sell) |
262 |
- |
- |
- |
| 2025-03-01 |
Emerson Andrew |
EVP, CFO and Treasurer |
Unknown |
217 |
$497.43 |
$107.94K |
- |
| 2025-02-14 |
Mckeon Brian P |
EVP, CFO and Treasurer |
Option Exercise (Sell) |
252 |
- |
- |
- |
| 2025-02-14 |
Fennell George |
Executive Vice President |
Option Exercise (Sell) |
51 |
- |
- |
- |
| 2025-02-14 |
Mazelsky Jonathan Jay |
President and CEO |
Option Exercise (Sell) |
689 |
- |
- |
- |
| 2025-02-14 |
Smith Martin Alexander |
Executive Vice President |
Option Exercise (Sell) |
593 |
- |
- |
- |
| 2025-02-14 |
Underberg Sharon E. |
EVP, Gc & Corporate Secretary |
Option Exercise (Sell) |
137 |
- |
- |
- |
| 2025-02-14 |
Lane Michael |
Executive Vice President |
Option Exercise (Sell) |
160 |
- |
- |
- |
| 2025-02-14 |
Hunt Nimrata |
Executive Vice President |
Option Exercise (Sell) |
160 |
- |
- |
- |
| 2025-02-14 |
Johnson Michael Perkins |
Executive Vice President |
Option Exercise (Sell) |
176 |
- |
- |
352 |
| 2025-02-14 |
Schreck Michael |
Executive Vice President |
Option Exercise (Sell) |
791 |
- |
- |
- |
| 2025-02-14 |
Erickson Michael G |
Executive Vice President |
Option Exercise (Sell) |
69 |
- |
- |
- |
| 2025-02-13 |
Fennell George |
Executive Vice President |
RSU Award |
217 |
$459.76 |
$99.77K |
217 |
| 2025-02-13 |
Mazelsky Jonathan Jay |
President and CEO |
RSU Award |
217 |
$459.76 |
$99.77K |
217 |
| 2025-02-13 |
Smith Martin Alexander |
Executive Vice President |
RSU Award |
217 |
$459.76 |
$99.77K |
217 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
