---
schema_version: "secwatch.filing_event.v1"
accession: "0001406666-26-000016"
form_type: "8-K"
ticker: "CALX"
cik: "0001406666"
company_name: "CALIX, INC"
filed_at: "2026-04-21T23:59:59+00:00"
generated_at: "2026-05-15T05:05:12.190335+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Calix increases stock repurchase authorization by $100M to $525M total

## Summary
- Board authorized an additional $100M for stock repurchases, bringing total authorization to $525M.
- Remaining balance as of March 28, 2026 was $63.4M; new authorization adds on top of that.
- Repurchases may be made via open market, private transactions, etc., subject to market conditions.
- Program does not obligate Calix to purchase any specific amount; may be suspended or discontinued any time.

## SEC filing metadata
- accession: 0001406666-26-000016
- form_type: 8-K
- ticker: CALX
- cik: 0001406666
- company_name: CALIX, INC
- filed_at: 2026-04-21T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1406666/000140666626000016/0001406666-26-000016-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1406666/000140666626000016/calx-20260421.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001406666-26-000016
- JSON: https://secwatch.observer/filing/0001406666-26-000016.json
- Plain text: https://secwatch.observer/filing/0001406666-26-000016.txt

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