---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-010935"
form_type: "8-K"
ticker: "LITE"
cik: "0001633978"
company_name: "Lumentum Holdings Inc."
filed_at: "2023-04-06T23:59:59+00:00"
generated_at: "2026-06-17T05:10:22.605808+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Lumentum cuts Q3 revenue guidance to $380-384M; expands buyback to $1.2B

## Summary
- Preliminary Q3 rev. ~$380-384M vs prior guidance $430-460M; customer >10% of Q2 rev. suspended shipments.
- CEO: customer shortfall primary reason; expects similar Q4 shipments to that customer.
- Board increased share repurchase authorization to $1.2B total, extended through May 2025.
- As of Apr 1, repurchased $615.5M (7.4M shares) under previous $1B program.
- Fiscal Q3 earnings conference call set for May 9, 2023.

## SEC filing metadata
- accession: 0001628280-23-010935
- form_type: 8-K
- ticker: LITE
- cik: 0001633978
- company_name: Lumentum Holdings Inc.
- filed_at: 2023-04-06T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1633978/000162828023010935/0001628280-23-010935-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1633978/000162828023010935/lite-20230405.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-010935
- JSON: https://secwatch.observer/filing/0001628280-23-010935.json
- Plain text: https://secwatch.observer/filing/0001628280-23-010935.txt

## Key facts
- Earnings Releases
  Lumentum Holdings Inc. updated its fiscal third quarter ended April 1, 2023 guidance (lowered).
  - Period: fiscal third quarter ended April 1, 2023
  - Guidance: lowered
  - Result: preliminary results
  source text: On April 5, 2023, Lumentum Holdings Inc. (the “Company”) issued a press release announcing selected preliminary financial results for its fiscal third quarter ended April 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1633978/000162828023010935/0001628280-23-010935-index.htm

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