---
schema_version: "secwatch.filing_event.v1"
accession: "0001406666-23-000028"
form_type: "8-K"
ticker: "CALX"
cik: "0001406666"
company_name: "CALIX, INC"
filed_at: "2023-04-19T23:59:59+00:00"
generated_at: "2026-06-16T23:30:50.270359+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Calix Q1 revenue $250M record, non-GAAP EPS $0.31 beats guidance; Q2 guides $255-261M

## Summary
- Q1 revenue $250.0M (+35% YoY, above guidance $242-248M); non-GAAP EPS $0.31 (guidance $0.24-0.30).
- GAAP gross margin 51.2%; non-GAAP 51.8% (+170 bps YoY); Q2 non-GAAP GM guided 51.0%-53.0%.
- Q2 guidance: revenue $255-261M, non-GAAP EPS $0.28-$0.34; expects annual GM expansion of 100-200 bps.
- Cash and investments $257.1M, no debt; RPOs $206.2M (+49% YoY); positive free cash flow $3.5M.
- Appointed John Durocher as EVP and Chief Customer Officer; added 11 new BSP customers in Q1.

## SEC filing metadata
- accession: 0001406666-23-000028
- form_type: 8-K
- ticker: CALX
- cik: 0001406666
- company_name: CALIX, INC
- filed_at: 2023-04-19T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1406666/000140666623000028/0001406666-23-000028-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1406666/000140666623000028/calx-20230419.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001406666-23-000028
- JSON: https://secwatch.observer/filing/0001406666-23-000028.json
- Plain text: https://secwatch.observer/filing/0001406666-23-000028.txt

## Key facts
- Earnings Releases
  CALIX, INC reported first quarter 2023 results: revenue 250.0 million.
  - Period: first quarter 2023
  - Revenue: 250.0 million
  - Result: reported results
  source text: In the first quarter of 2023, the Calix team executed with excellence and delivered record quarterly revenue of $250.0 million.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1406666/000140666623000028/0001406666-23-000028-index.htm

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