---
schema_version: "secwatch.filing_event.v1"
accession: "0001406666-25-000028"
form_type: "8-K"
ticker: "CALX"
cik: "0001406666"
company_name: "CALIX, INC"
filed_at: "2025-05-13T23:59:59+00:00"
generated_at: "2026-05-21T14:20:52.332837+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Calix announces death of Chief Commercial Operations Officer J. Matthew Collins on May 7, 2025

## Summary
- Chief Commercial Operations Officer J. Matthew Collins passed away May 7, 2025.
- CEO Michael Weening states Collins had profound impact on culture and customers over eight years.
- No successor or interim appointment for the COO role has been announced.
- Company extends condolences to Collins's family.

## SEC filing metadata
- accession: 0001406666-25-000028
- form_type: 8-K
- ticker: CALX
- cik: 0001406666
- company_name: CALIX, INC
- filed_at: 2025-05-13T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1406666/000140666625000028/0001406666-25-000028-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1406666/000140666625000028/calx-20250507.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001406666-25-000028
- JSON: https://secwatch.observer/filing/0001406666-25-000028.json
- Plain text: https://secwatch.observer/filing/0001406666-25-000028.txt

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