17 insiders reported 172 Form 4 transactions for IDEXX LABORATORIES INC /DE (IDXX) over the past 18 months (most recent 2026-08-03). Recent activity: HOOLEY JOSEPH L (Director) Buy 49 shares, FENNELL GEORGE (Executive Vice President) Buy 639 shares, FENNELL GEORGE (Executive Vice President) Sell 284 shares, JUNIUS DANIEL M (Director) Buy 257 shares, SZOSTAK M ANNE (Director) Buy 257 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-03 | HOOLEY JOSEPH L | Director | Buy | 49 | $27,381 |
| 2026-06-02 | FENNELL GEORGE | Executive Vice President | Buy | 639 | $0 |
| 2026-06-02 | FENNELL GEORGE | Executive Vice President | Sell | 284 | $160,968 |
| 2026-05-11 | JUNIUS DANIEL M | Director | Buy | 257 | $0 |
| 2026-05-11 | SZOSTAK M ANNE | Director | Buy | 257 | $0 |
| 2026-05-11 | HOOLEY JOSEPH L | Director | Buy | 158 | $0 |
| 2026-05-11 | Kingsley Lawrence D | Director | Buy | 257 | $0 |
| 2026-05-11 | Vandebroek Sophie V. | Director | Buy | 257 | $0 |
| 2026-05-11 | Peacock Karen | Director | Buy | 101 | $0 |
| 2026-05-11 | Kingsley Lawrence D | Director | Buy | 82 | $0 |
| 2026-05-04 | HOOLEY JOSEPH L | Director | Buy | 43 | $24,114 |
| 2026-03-05 | Hunt Nimrata | Executive Vice President | Sell | 1,758 | $1.1M |
| 2026-03-05 | Underberg Sharon E. | EVP, GC & Corporate Secretary | Buy | 197 | $99,589 |
| 2026-03-02 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 1,200 | $793,320 |
| 2026-03-02 | MAZELSKY JONATHAN JAY | President and CEO | Buy | 23,326 | $3.3M |
| 2026-03-02 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 1,281 | $833,508 |
| 2026-03-02 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 1,095 | $713,382 |
| 2026-03-02 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 1,669 | $1.1M |
| 2026-03-02 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 1,171 | $765,459 |
| 2026-03-02 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 1,111 | $727,294 |
| 2026-03-02 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 1,488 | $975,905 |
| 2026-03-02 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 1,343 | $882,150 |
| 2026-03-02 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 2,860 | $1.9M |
| 2026-03-02 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 3,660 | $2.4M |
| 2026-03-02 | MAZELSKY JONATHAN JAY | President and CEO | Sell | 2,859 | $1.9M |
Source: SEC Form 4 filings · as of 2026-08-03