Form 4 for IDXX Idexx Laboratories
Accepted 2026-02-17 00:00:00 ET · period of report 2026-02-12 · accession 0000874716-26-000024 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-02-17 | 2026-02-14 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | F - Tax | $629.35 | -915 | 83.6K | -1% | -$575.9K |
| DM | 2026-02-17 | 2026-02-14 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | M - OptEx | $0.00 | +2,057 | 83.4K | +3% | $0 |
| DM | 2026-02-17 | 2026-02-14 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | M - OptEx | $0.00 | -2,057 | 1,099 | -65% | $0 |
| D | 2026-02-17 | 2026-02-12 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | A - Grant | $0.00 | +13.4K | 13.4K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-02-14 | F | D | 915 | $629.35 | 83,606.30 | D | — | — | (F2) Closing price of Issuer common stock on Nasdaq Global Select Market on February 13, 2026. |
| 2 | Common | Common Stock | 2026-02-14 | M | A | 1,099 | $0.00 | 84,521.30 | D | — | — | |
| 3 | Common | Common Stock | 2026-02-14 | M | A | 958 | $0.00 | 83,422.30 | D | — | — | (F1) Includes a total of 21 shares purchased under the Issuer's Employee Stock Purchase Plan ('ESPP') on September 30, 2025 and December 31, 2025. There are a total of 1,943.302 shares held in the ESPP which has been increased by 0.004 shares due to a rounding calculation of previously issued fractional shares. |
| 4 | Derivative | Restricted Stock Unit | 2026-02-14 | M | D | 958 | $0.00 | 0 | D | — · — to — | 958 Common Stock | (F4) Each RSU represents a contingent right to receive one share of Issuer common stock that vested in four annual installments, beginning February 14, 2023. |
| 5 | Derivative | Restricted Stock Unit | 2026-02-12 | A | A | 13,407 | $0.00 | 13,407 | D | — · — to — | 13,407 Common Stock | (F3) Grant of restricted stock units ('RSU') that upon vesting, will be deferred and recorded in an account under the Issuer's Deferred Compensation Plan. This RSU grant vests in three annual installments, beginning February 14, 2027. |
| 6 | Derivative | Restricted Stock Unit | 2026-02-14 | M | D | 1,099 | $0.00 | 1,099 | D | — · — to — | 1,099 Common Stock | (F5) Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments, beginning February 14, 2024. |