---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-003103"
form_type: "8-K"
ticker: "IDXX"
cik: "0000874716"
company_name: "IDEXX LABORATORIES INC /DE"
filed_at: "2026-01-13T23:59:59+00:00"
generated_at: "2026-05-16T10:44:57.049062+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# IDEXX CEO succession: Mike Erickson to become President and CEO on May 12, 2026; Mazelsky to Executive Chair

## Summary
- Jay Mazelsky steps down as CEO effective May 12, 2026, transitions to Executive Chair; will retire from board in May 2027.
- Michael Erickson, PhD (EVP & GM Global Point of Care), promoted to President and CEO, joining the board.
- Erickson's compensation: $1M base salary, 120% target bonus, FY2026 equity target at least $7.8M (50% options, 50% PSUs).
- Mazelsky's Executive Chair compensation: $1.15M base, blended bonus target, $8.275M RSU grant in Feb 2026.
- Lawrence Kingsley, currently Non-Executive Chair, becomes independent Lead Director after transition.

## SEC filing metadata
- accession: 0001104659-26-003103
- form_type: 8-K
- ticker: IDXX
- cik: 0000874716
- company_name: IDEXX LABORATORIES INC /DE
- filed_at: 2026-01-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/874716/000110465926003103/0001104659-26-003103-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/874716/000110465926003103/tm262817d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-003103
- JSON: https://secwatch.observer/filing/0001104659-26-003103.json
- Plain text: https://secwatch.observer/filing/0001104659-26-003103.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.