---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-037563"
form_type: "8-K"
ticker: "LITE"
cik: "0001633978"
company_name: "Lumentum Holdings Inc."
filed_at: "2023-11-08T23:59:59+00:00"
generated_at: "2026-06-08T09:39:12.806913+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Lumentum Q1 revenue $317.6M, GAAP loss $1.02/share, revenue down 37% YoY

## Summary
- GAAP net loss $67.9M ($1.02 diluted loss per share); Non-GAAP net income $23.4M ($0.35 diluted EPS).
- Net revenue $317.6M, down 14.3% sequentially and 37.3% year-over-year.
- Cloud & Networking segment revenue $229.7M (72% of total), down 36% YoY.
- Industrial Tech segment revenue $87.9M, down 40% YoY.
- Cash and short-term investments $1,944.3M, decreased $69.3M from prior quarter.

## SEC filing metadata
- accession: 0001628280-23-037563
- form_type: 8-K
- ticker: LITE
- cik: 0001633978
- company_name: Lumentum Holdings Inc.
- filed_at: 2023-11-08T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1633978/000162828023037563/0001628280-23-037563-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1633978/000162828023037563/lite-20231108.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-037563
- JSON: https://secwatch.observer/filing/0001628280-23-037563.json
- Plain text: https://secwatch.observer/filing/0001628280-23-037563.txt

## Key facts
- Earnings Releases
  Lumentum Holdings Inc. reported fiscal first quarter ended September 30, 2023 results: revenue $317.6 million, net income GAAP net loss of $67.9 million, or $1.02 per diluted share, EPS $(1.02) per diluted share.
  - Period: fiscal first quarter ended September 30, 2023
  - Revenue: $317.6 million
  - Net income: GAAP net loss of $67.9 million, or $1.02 per diluted share
  - EPS: $(1.02) per diluted share
  - Result: reported results
  source text: LUMENTUM ANNOUNCES FISCAL FIRST QUARTER 2024 FINANCIAL RESULTS • Net revenue of $ 317.6 million • GAAP gross margin of 24.1%; Non-GAAP gross margin of 34.9% • GAAP operating loss of 25.4%; Non-GAAP operating margin of 3.3% • GAAP diluted net loss per share of $1.02; Non-GAAP diluted net income per share of $0.35
  evidence_url: https://www.sec.gov/Archives/edgar/data/1633978/000162828023037563/0001628280-23-037563-index.htm

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