---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-205086"
form_type: "8-K"
ticker: "CALY"
cik: "0000837465"
company_name: "Callaway Golf Co"
filed_at: "2023-08-07T23:59:59+00:00"
generated_at: "2026-06-12T05:19:46.509529+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Topgolf Callaway discloses cybersecurity incident, most systems back online

## Summary
- Identified unusual IT activity last week; activated incident response plan.
- Took some systems offline as a precaution; law enforcement notified.
- Majority of systems are online; full access restoration expected in coming days.
- Company does not believe incident will materially affect business, operations, or financial results.

## SEC filing metadata
- accession: 0001193125-23-205086
- form_type: 8-K
- ticker: CALY
- cik: 0000837465
- company_name: Callaway Golf Co
- filed_at: 2023-08-07T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/837465/000119312523205086/0001193125-23-205086-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/837465/000119312523205086/d529851d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-205086
- JSON: https://secwatch.observer/filing/0001193125-23-205086.json
- Plain text: https://secwatch.observer/filing/0001193125-23-205086.txt

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