Form 4 for IDXX Idexx Laboratories
Accepted 2025-08-08 00:00:00 ET · period of report 2025-08-06 · accession 0000874716-25-000126 · 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 | 2025-08-08 | 2025-08-06 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | M - OptEx | $67.85 | +29.3K | 112.6K | +35% | +$1.99M |
| DM | 2025-08-08 | 2025-08-06 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | S - Sale+OE | $631.98 | -29.3K | 93.2K | -24% | -$18.49M |
| D | 2025-08-08 | 2025-08-06 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | M - OptEx | — | -29.3K | 0 | -100% | — |
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 | 2025-08-06 | M | A | 29,260 | $67.85 | 112,571.30 | D | — | — | (F1) Includes 28.7090 shares purchased under the Issuer Employee Stock Purchase Plan on March 31, 2025 and June 30, 2025. |
| 2 | Common | Common Stock | 2025-08-06 | S | D | 1,095 | $626.90 | 111,476.30 | D | — | — | (F2) Represents the weighted average price of the shares sold ranging from a low of $626.585 to a high of $627.44 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price. |
| 3 | Common | Common Stock | 2025-08-06 | S | D | 1,525 | $628.27 | 109,951.30 | D | — | — | (F3) Represents the weighted average price of the shares sold ranging from a low of $627.72 to a high of $628.71 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price. |
| 4 | Common | Common Stock | 2025-08-06 | S | D | 3,397 | $629.82 | 106,554.30 | D | — | — | (F4) Represents the weighted average price of the shares sold ranging from a low of $629.14 to a high of $630.06 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price. |
| 5 | Common | Common Stock | 2025-08-06 | S | D | 6,056 | $630.59 | 100,498.30 | D | — | — | (F5) Represents the weighted average price of the shares sold ranging from a low of $630.14 to a high of $630.885 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price. |
| 6 | Common | Common Stock | 2025-08-06 | S | D | 660 | $639.37 | 83,311.30 | D | — | — | (F11) Represents the weighted average price of the shares sold ranging from a low of $639.235 to a high of 639.49 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price. |
| 7 | Common | Common Stock | 2025-08-06 | S | D | 3,000 | $632.56 | 90,199.30 | D | — | — | (F7) Represents the weighted average price of the shares sold ranging from a low of $632.41 to a high of $633.30 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price. |
| 8 | Common | Common Stock | 2025-08-06 | S | D | 3,526 | $635.13 | 86,673.30 | D | — | — | (F8) Represents the weighted average price of the shares sold ranging from a low of $634.66 to a high of $635.64 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price. |
| 9 | Common | Common Stock | 2025-08-06 | S | D | 1,822 | $636.15 | 84,851.30 | D | — | — | (F9) Represents the weighted average price of the shares sold ranging from a low of $635.66 to a high of $636.53 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price. |
| 10 | Common | Common Stock | 2025-08-06 | S | D | 880 | $636.81 | 83,971.30 | D | — | — | (F10) Represents the weighted average price of the shares sold ranging from a low of $636.66 to a high of $637.39 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price. |
| 11 | Common | Common Stock | 2025-08-06 | S | D | 7,299 | $631.61 | 93,199.30 | D | — | — | (F6) Represents the weighted average price of the shares sold ranging from a low of $631.26 to a high of $632.15 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price. |
| 12 | Derivative | Non-Qualified Stock Option (right-to-buy) | 2025-08-06 | M | D | 29,260 | — | 0 | D | $67.85 · — to 2026-02-13 | 29,260 Common Stock | (F13) Not applicable (F12) Grant of option to buy 41,260 shares of Issuer common stock that became exercisable in five annual installments beginning February 14, 2017. |