MAZELSKY JONATHAN JAY
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to MAZELSKY JONATHAN JAY. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| XRAY | Award / Grant | 360 | — | — | Oct 10, 2025 | |
| IDXX | President and CEO | Gift | 1,051 | — | — | Aug 15, 2025 |
| IDXX | President and CEO | Option Exercise | 183 | $598.49 | $109,524 | Aug 8, 2025 |
| IDXX | President and CEO | Sale | 7,299 | $631.61 | $4,610,121 | Aug 6, 2025 |
| XRAY | Award / Grant | 279 | — | — | Jul 11, 2025 | |
| XRAY | Award / Grant | 13,880 | — | — | May 22, 2025 | |
| XRAY | Award / Grant | 148 | — | — | Apr 11, 2025 | |
| IDXX | President and CEO | Option Exercise | 958 | — | — | Feb 14, 2025 |
| XRAY | Award / Grant | 115 | — | — | Jan 10, 2025 | |
| XRAY | Award / Grant | 80 | — | — | Oct 11, 2024 | |
| IDXX | President and CEO | Option Exercise | 384 | — | — | Aug 5, 2024 |
| XRAY | Award / Grant | 87 | — | — | Jul 12, 2024 | |
| XRAY | Award / Grant | 7,994 | — | — | May 23, 2024 | |
| XRAY | Award / Grant | 26 | — | — | Apr 12, 2024 | |
| IDXX | President and CEO | Gift | 550 | — | — | Feb 29, 2024 |
| IDXX | President and CEO | Option Exercise | 483 | $206.94 | $99,952 | Feb 21, 2024 |
| IDXX | President and CEO | Tax Withholding | 1,839 | $560.56 | $1,030,870 | Feb 14, 2024 |
| IDXX | President and CEO | Sale | 4,124 | $572.53 | $2,361,114 | Feb 7, 2024 |
| XRAY | Award / Grant | 21 | — | — | Jan 12, 2024 | |
| IDXX | President and CEO | Sale | 1,324 | $513.51 | $679,887 | Dec 4, 2023 |
| XRAY | Award / Grant | 22 | — | — | Oct 13, 2023 | |
| IDXX | President and CEO | Sale | 13,424 | $512.01 | $6,873,222 | Aug 31, 2023 |
| IDXX | President and CEO | Option Exercise | 384 | — | — | Aug 5, 2023 |
| XRAY | Award / Grant | 19 | — | — | Jul 14, 2023 | |
| XRAY | Award / Grant | 5,419 | — | — | May 25, 2023 | |
| IDXX | President and CEO | Gift | 602 | — | — | May 18, 2023 |
| IDXX | President and CEO | Option Exercise | 560 | $178.26 | $99,826 | May 4, 2023 |
| IDXX | President & CEO | Option Exercise | 974 | — | — | Feb 14, 2023 |
| IDXX | President & CEO | Sale | 600 | $435.88 | $261,528 | Nov 14, 2022 |
| IDXX | President & CEO | Option Exercise | 24,002 | $52.00 | $1,248,104 | Nov 7, 2022 |
| IDXX | President & CEO | Tax Withholding | 179 | $407.78 | $72,993 | Aug 5, 2022 |
| IDXX | President & CEO | Option Exercise | 706 | $141.60 | $99,970 | May 20, 2022 |
| IDXX | President & CEO | Gift | 500 | — | — | Mar 4, 2022 |
| IDXX | President & CEO | Option Exercise | 459 | — | — | Feb 14, 2022 |
| IDXX | President & CEO | Sale | 182 | $674.48 | $122,755 | Aug 13, 2021 |
| IDXX | President & CEO | Option Exercise | 385 | — | — | Aug 5, 2021 |
| IDXX | President & CEO | Gift | 500 | — | — | May 18, 2021 |
| IDXX | President & CEO | Option Exercise | 1,475 | $67.85 | $100,079 | Feb 22, 2021 |
| IDXX | President & CEO | Sale | 500 | $538.83 | $269,415 | Feb 17, 2021 |
| IDXX | President & CEO | Option Exercise | 737 | — | — | Feb 14, 2021 |
| IDXX | President & CEO | Sale | 355 | $463.45 | $164,525 | Nov 5, 2020 |
| IDXX | President and CEO | Option Exercise | 385 | — | — | Aug 5, 2020 |
| IDXX | President & CEO | Option Exercise | 737 | — | — | Feb 14, 2020 |
| IDXX | President & CEO | Sale | 388 | $281.97 | $109,404 | Feb 5, 2020 |
| IDXX | President & CEO | Option Exercise | 2,188 | $45.84 | $100,298 | Jan 15, 2020 |