IDXX
IDEXX Laboratories, Inc.$511.41+1.85 (+0.36%)Prev Close$509.56·MCap$40.64B·P/E37.71·Vol373.3K·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
20
$44.90M
◆
Net Activity
Net Seller
$44.90M
●
Active Insiders
12
last 12 mo
Over the past 12 months, insider activity at IDEXX Laboratories, Inc. (IDXX) has been exclusively selling, with 0 insider purchases totaling $0.00 and 20 insider sales totaling $44.90M. The most recent insider transaction was by Kingsley Lawrence D (director), who sold $1.17M worth of shares on Sep 9, 2026. IDEXX Laboratories, Inc. operates in the Healthcare sector, within the Medical - Diagnostics & Research industry, with a market cap of $40.64B.
IDXX Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 9, 2026 | Kingsley Lawrence D | director | Sell | 2,203 | $532.08 | $1.17M | 9,568 |
| Mar 5, 2026 | Hunt Nimrata | officer: Executive Vice President | Sell | 1,758 | $634.57 | $1.12M | 18,141 |
| Mar 2, 2026 | MAZELSKY JONATHAN JAY | director, officer: President and CEO | Sell | 23,326 | $657.55 | $15.34M | 105,651 |
| Feb 27, 2026 | Hunt Nimrata | officer: Executive Vice President | Sell | 2,693 | $661.54 | $1.78M | 19,899 |
| Feb 19, 2026 | Erickson Michael G | officer: Executive Vice President | Sell | 5,371 | $627.38 | $3.37M | 17,608 |
| Feb 19, 2026 | Vandebroek Sophie V. | director | Sell | 945 | $628.65 | $594.1K | 1,167-45% |
| Feb 17, 2026 | Emerson Andrew | EVP, CFO and Treasurer | Sell | 123 | $629.35 | $77.4K | 0 |
| Feb 17, 2026 | Erickson Michael G | Executive Vice President | Sell | 5,371 | $627.38 | $3.37M | 0 |
| Feb 17, 2026 | Schreck Michael | Executive Vice President | Sell | 876 | $629.35 | $551.3K | 0 |
| Feb 17, 2026 | Vandebroek Sophie V. | Director | Sell | 1,464 | $628.62 | $920.3K | 0 |
| Feb 12, 2026 | Erickson Michael G | Executive Vice President | Sell | 974 | $629.35 | $613.0K | 0 |
| Feb 12, 2026 | FENNELL GEORGE | Executive Vice President | Sell | 199 | $629.35 | $125.2K | 0 |
| Feb 12, 2026 | Hunt Nimrata | Executive Vice President | Sell | 1,154 | $629.35 | $726.3K | 0 |
| Feb 12, 2026 | Johnson Michael Perkins | Executive Vice President | Sell | 178 | $629.35 | $112.0K | 0 |
| Feb 12, 2026 | Lane Michael | Executive Vice President | Sell | 221 | $629.35 | $139.1K | 0 |
| Feb 12, 2026 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 915 | $629.35 | $575.9K | 0 |
| Feb 12, 2026 | Smith Martin Alexander | Executive Vice President | Sell | 302 | $629.35 | $190.1K | 0 |
| Feb 12, 2026 | Underberg Sharon E. | EVP, GC & Corporate Secretary | Sell | 251 | $629.35 | $158.0K | 0 |
| Feb 11, 2026 | FENNELL GEORGE | officer: Executive Vice President | Sell | 11,345 | $646.72 | $7.34M | 20,038-36% |
| Nov 10, 2025 | Hunt Nimrata | Executive Vice President | Sell | 9,425 | $703.34 | $6.63M | 0 |
| Sep 3, 2025 | Smith Martin Alexander | Executive Vice President | Sell | 5 | $647.09 | $3.2K | 0 |
| Aug 26, 2025 | SZOSTAK M ANNE | Director | Sell | 2,187 | $647.33 | $1.42M | 0 |
| Aug 14, 2025 | Erickson Michael G | Executive Vice President | Sell | 406 | $649.79 | $263.8K | 0 |
| Aug 13, 2025 | Hunt Nimrata | Executive Vice President | Sell | 1,200 | $656.53 | $787.8K | 0 |
| Aug 12, 2025 | Underberg Sharon E. | EVP, GC & Corporate Secretary | Sell | 5,450 | $651.60 | $3.55M | 0 |
| Aug 11, 2025 | Emerson Andrew | EVP, CFO and Treasurer | Sell | 402 | $650.06 | $261.3K | 0 |
| Aug 8, 2025 | Hunt Nimrata | Executive Vice President | Sell | 7,143 | $630.43 | $4.50M | 0 |
| Aug 8, 2025 | Lane Michael | Executive Vice President | Sell | 8,411 | $627.74 | $5.28M | 0 |
| Aug 8, 2025 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 29,260 | $631.98 | $18.49M | 0 |
| Jun 3, 2025 | Johnson Michael Perkins | Executive Vice President | Sell | 1,499 | $513.36 | $769.5K | 0 |
| May 23, 2025 | SZOSTAK M ANNE | Director | Sell | 2,306 | $512.97 | $1.18M | 0 |
| May 14, 2025 | JUNIUS DANIEL M | Director | Sell | 2,683 | $506.41 | $1.36M | 0 |
| May 13, 2025 | Vandebroek Sophie V. | Director | Sell | 1,279 | $491.34 | $628.4K | 0 |
| Feb 18, 2025 | Erickson Michael G | Executive Vice President | Sell | 177 | $444.53 | $78.7K | 0 |
| Feb 18, 2025 | FENNELL GEORGE | Executive Vice President | Sell | 133 | $444.53 | $59.1K | 0 |
| Feb 18, 2025 | Hunt Nimrata | Executive Vice President | Sell | 268 | $444.53 | $119.1K | 0 |
| Feb 18, 2025 | Johnson Michael Perkins | Executive Vice President | Sell | 118 | $444.53 | $52.5K | 0 |
| Feb 18, 2025 | Lane Michael | Executive Vice President | Sell | 272 | $444.53 | $120.9K | 0 |
| Feb 18, 2025 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 1,222 | $444.53 | $543.2K | 0 |
| Feb 18, 2025 | MCKEON BRIAN P | EVP, CFO and Treasurer | Sell | 569 | $444.53 | $252.9K | 0 |
| Feb 18, 2025 | Schreck Michael | Executive Vice President | Sell | 441 | $444.53 | $196.0K | 0 |
| Feb 18, 2025 | Smith Martin Alexander | Executive Vice President | Sell | 374 | $444.53 | $166.3K | 0 |
| Feb 18, 2025 | Underberg Sharon E. | EVP, GC & Corporate Secretary | Sell | 219 | $444.53 | $97.4K | 0 |
| Feb 11, 2025 | FENNELL GEORGE | Executive Vice President | Sell | 9,986 | $462.53 | $4.62M | 0 |
| Feb 10, 2025 | SZOSTAK M ANNE | Director | Sell | 3,000 | $465.95 | $1.40M | 0 |
| Nov 29, 2024 | Vandebroek Sophie V. | Director | Sell | 344 | $420.44 | $144.6K | 905-28% |
| Sep 9, 2024 | SZOSTAK M ANNE | Director | Sell | 500 | $469.37 | $234.7K | 0Exit |
| May 20, 2024 | Claflin Bruce L. | Director | Sell | 200 | $540.80 | $108.2K | 161-55% |
| Mar 7, 2024 | POLEWACZYK JAMES F | Executive Vice President | Sell | 8,104 | $558.44 | $4.53M | 14,681-36% |
| Mar 7, 2024 | Vandebroek Sophie V. | Director | Sell | 1,404 | $562.98 | $790.4K | 1,216-54% |
Showing 1–50 of 94
1 / 2
IDXX Insider Buying Activity
The following table shows recent insider purchases of IDEXX Laboratories, Inc. (IDXX) stock reported via SEC Form 4 filings.
No insider buying activity found for IDXX in the last 12 months.
IDXX Insider Selling Activity
The following table shows recent insider sales of IDEXX Laboratories, Inc. (IDXX) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 9, 2026 | Kingsley Lawrence D | director | Sell | 2,203 | $532.08 | $1.17M | 9,568 |
| Mar 5, 2026 | Hunt Nimrata | officer: Executive Vice President | Sell | 1,758 | $634.57 | $1.12M | 18,141 |
| Mar 2, 2026 | MAZELSKY JONATHAN JAY | director, officer: President and CEO | Sell | 23,326 | $657.55 | $15.34M | 105,651 |
| Feb 27, 2026 | Hunt Nimrata | officer: Executive Vice President | Sell | 2,693 | $661.54 | $1.78M | 19,899 |
| Feb 19, 2026 | Erickson Michael G | officer: Executive Vice President | Sell | 5,371 | $627.38 | $3.37M | 17,608 |
| Feb 19, 2026 | Vandebroek Sophie V. | director | Sell | 945 | $628.65 | $594.1K | 1,167-45% |
| Feb 17, 2026 | Emerson Andrew | EVP, CFO and Treasurer | Sell | 123 | $629.35 | $77.4K | 0 |
| Feb 17, 2026 | Erickson Michael G | Executive Vice President | Sell | 5,371 | $627.38 | $3.37M | 0 |
| Feb 17, 2026 | Schreck Michael | Executive Vice President | Sell | 876 | $629.35 | $551.3K | 0 |
| Feb 17, 2026 | Vandebroek Sophie V. | Director | Sell | 1,464 | $628.62 | $920.3K | 0 |
| Feb 12, 2026 | Erickson Michael G | Executive Vice President | Sell | 974 | $629.35 | $613.0K | 0 |
| Feb 12, 2026 | FENNELL GEORGE | Executive Vice President | Sell | 199 | $629.35 | $125.2K | 0 |
| Feb 12, 2026 | Hunt Nimrata | Executive Vice President | Sell | 1,154 | $629.35 | $726.3K | 0 |
| Feb 12, 2026 | Johnson Michael Perkins | Executive Vice President | Sell | 178 | $629.35 | $112.0K | 0 |
| Feb 12, 2026 | Lane Michael | Executive Vice President | Sell | 221 | $629.35 | $139.1K | 0 |
| Feb 12, 2026 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 915 | $629.35 | $575.9K | 0 |
| Feb 12, 2026 | Smith Martin Alexander | Executive Vice President | Sell | 302 | $629.35 | $190.1K | 0 |
| Feb 12, 2026 | Underberg Sharon E. | EVP, GC & Corporate Secretary | Sell | 251 | $629.35 | $158.0K | 0 |
| Feb 11, 2026 | FENNELL GEORGE | officer: Executive Vice President | Sell | 11,345 | $646.72 | $7.34M | 20,038-36% |
| Nov 10, 2025 | Hunt Nimrata | Executive Vice President | Sell | 9,425 | $703.34 | $6.63M | 0 |
| Sep 3, 2025 | Smith Martin Alexander | Executive Vice President | Sell | 5 | $647.09 | $3.2K | 0 |
| Aug 26, 2025 | SZOSTAK M ANNE | Director | Sell | 2,187 | $647.33 | $1.42M | 0 |
| Aug 14, 2025 | Erickson Michael G | Executive Vice President | Sell | 406 | $649.79 | $263.8K | 0 |
| Aug 13, 2025 | Hunt Nimrata | Executive Vice President | Sell | 1,200 | $656.53 | $787.8K | 0 |
| Aug 12, 2025 | Underberg Sharon E. | EVP, GC & Corporate Secretary | Sell | 5,450 | $651.60 | $3.55M | 0 |
| Aug 11, 2025 | Emerson Andrew | EVP, CFO and Treasurer | Sell | 402 | $650.06 | $261.3K | 0 |
| Aug 8, 2025 | Hunt Nimrata | Executive Vice President | Sell | 7,143 | $630.43 | $4.50M | 0 |
| Aug 8, 2025 | Lane Michael | Executive Vice President | Sell | 8,411 | $627.74 | $5.28M | 0 |
| Aug 8, 2025 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 29,260 | $631.98 | $18.49M | 0 |
| Jun 3, 2025 | Johnson Michael Perkins | Executive Vice President | Sell | 1,499 | $513.36 | $769.5K | 0 |
| May 23, 2025 | SZOSTAK M ANNE | Director | Sell | 2,306 | $512.97 | $1.18M | 0 |
| May 14, 2025 | JUNIUS DANIEL M | Director | Sell | 2,683 | $506.41 | $1.36M | 0 |
| May 13, 2025 | Vandebroek Sophie V. | Director | Sell | 1,279 | $491.34 | $628.4K | 0 |
| Feb 18, 2025 | Erickson Michael G | Executive Vice President | Sell | 177 | $444.53 | $78.7K | 0 |
| Feb 18, 2025 | FENNELL GEORGE | Executive Vice President | Sell | 133 | $444.53 | $59.1K | 0 |
| Feb 18, 2025 | Hunt Nimrata | Executive Vice President | Sell | 268 | $444.53 | $119.1K | 0 |
| Feb 18, 2025 | Johnson Michael Perkins | Executive Vice President | Sell | 118 | $444.53 | $52.5K | 0 |
| Feb 18, 2025 | Lane Michael | Executive Vice President | Sell | 272 | $444.53 | $120.9K | 0 |
| Feb 18, 2025 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 1,222 | $444.53 | $543.2K | 0 |
| Feb 18, 2025 | MCKEON BRIAN P | EVP, CFO and Treasurer | Sell | 569 | $444.53 | $252.9K | 0 |
| Feb 18, 2025 | Schreck Michael | Executive Vice President | Sell | 441 | $444.53 | $196.0K | 0 |
| Feb 18, 2025 | Smith Martin Alexander | Executive Vice President | Sell | 374 | $444.53 | $166.3K | 0 |
| Feb 18, 2025 | Underberg Sharon E. | EVP, GC & Corporate Secretary | Sell | 219 | $444.53 | $97.4K | 0 |
| Feb 11, 2025 | FENNELL GEORGE | Executive Vice President | Sell | 9,986 | $462.53 | $4.62M | 0 |
| Feb 10, 2025 | SZOSTAK M ANNE | Director | Sell | 3,000 | $465.95 | $1.40M | 0 |
| Nov 29, 2024 | Vandebroek Sophie V. | Director | Sell | 344 | $420.44 | $144.6K | 905-28% |
| Sep 9, 2024 | SZOSTAK M ANNE | Director | Sell | 500 | $469.37 | $234.7K | 0Exit |
| May 20, 2024 | Claflin Bruce L. | Director | Sell | 200 | $540.80 | $108.2K | 161-55% |
| Mar 7, 2024 | POLEWACZYK JAMES F | Executive Vice President | Sell | 8,104 | $558.44 | $4.53M | 14,681-36% |
| Mar 7, 2024 | Vandebroek Sophie V. | Director | Sell | 1,404 | $562.98 | $790.4K | 1,216-54% |
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