IDEXX LABORATORIES INC /DE (IDXX) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-07 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: IDEXX LABORATORIES INC /DE (IDXX) CIK: 0000874716 --- Reporting Owner --- Name: Vandebroek Sophie V. CIK: 0001442078 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-07 | Code: M (Exercise of derivative) Shares: +257 | Price: $0.00 Shares Owned After: 905 | Ownership: D (Direct) --- Derivative Transactions --- [Transaction #1] Security: Restricted Stock Unit Date: 2026-05-07 | Code: M (Exercise of derivative) Shares: -257 Shares Owned After: 0 | Ownership: D (Direct) Footnotes: [F1] Each restricted stock unit represents a contingent right to receive one share of Issuer common stock that vested in one installment on May 7, 2026. [F2] Not applicable. [F1] Each restricted stock unit represents a contingent right to receive one share of Issuer common stock that vested in one installment on May 7, 2026. [F1] Each restricted stock unit represents a contingent right to receive one share of Issuer common stock that vested in one installment on May 7, 2026. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock that vested in one installment on May 7, 2026. F2: Not applicable. --- Signature --- /s/ /s/ Lily J. Lu, Attorney-in-Fact for Sophie V. Vandebroek (2026-05-11)