🕵️ Idexx Laboratories Inc /DE ($IDXX)
SEC insider & ownership activity, last 12 months · CIK 874716 · every row links its SEC filing
Over the last 12 months insiders sold $37.7M with no open-market buying against it. Mazelsky Jonathan Jay sold $15.3M (Feb). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 6 sellers, $37.7M (36 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Mazelsky Jonathan Jay | 0 | – | 13 | $15.3M | Feb 26, 2026 |
| Nimrata K. Hunt | 0 | – | 6 | $9.5M | Mar 3, 2026 |
| Fennell George | 0 | – | 8 | $7.3M | Feb 10, 2026 |
| Michael G. Erickson | 0 | – | 6 | $3.4M | Feb 17, 2026 |
| Lawrence D. Kingsley | 0 | – | 1 | $1.2M | Sep 4, 2026 |
| Sophie V. Vandebroek | 0 | – | 2 | $920K | Feb 17, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9.4% | 13G | Apr 17, 2025 | filing ↗ | |
| Vanguard Capital Management | 7.5% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Lawrence D. Kingsley | $1.2M | Sep 4, 2026 | filing ↗ |
| Margaret Anne Szostak | $744K | May 20, 2026 | filing ↗ |
| Nimrata K. Hunt | $1.1M | Mar 3, 2026 | filing ↗ |
| Jonathan J. Mazelsky | $15.3M | Feb 26, 2026 | filing ↗ |
| Nimrata K. Hunt | $1.8M | Feb 25, 2026 | filing ↗ |
| Sophie V. Vandebroek | $920K | Feb 17, 2026 | filing ↗ |
| Michael G. Erickson | $3.4M | Feb 17, 2026 | filing ↗ |
| George Fennell | $7.3M | Feb 10, 2026 | filing ↗ |
| Nimrata K. Hunt | $6.6M | Nov 7, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 4, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | May 12, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 24, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 13, 2026 | filing ↗ |
| Earnings (2.02) | Feb 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 2, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 11, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 11, 2026 | filing ↗ |
| Material agreement (1.01) | Nov 12, 2025 | filing ↗ |
| New financial obligation (2.03) | Nov 12, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 12, 2025 | filing ↗ |
| Earnings (2.02) | Nov 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 3, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 6, 2025 | filing ↗ |