---
schema_version: "secwatch.filing_event.v1"
accession: "0000707549-22-000119"
form_type: "8-K"
ticker: "LRCX"
cik: "0000707549"
company_name: "LAM RESEARCH CORP"
filed_at: "2022-10-19T23:59:59+00:00"
generated_at: "2026-06-23T02:47:15.888995+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Lam Research reports Q1 FY2023 revenue $5.07B, GAAP EPS $10.39, record quarter

## Summary
- Revenue of $5.07B, up 9.5% QoQ; GAAP diluted EPS $10.39 vs $8.74 prior quarter.
- Non-GAAP diluted EPS $10.42, gross margin 46.0%, operating margin 33.3%.
- Record revenue driven by easing supply chain conditions and solid execution.
- Guidance for Dec 2022 quarter: revenue ~$5.1B ±$300M, non-GAAP EPS ~$10.00 ±$0.75.
- Cash and investments increased to $4.6B; operating cash flow $1.19B.

## SEC filing metadata
- accession: 0000707549-22-000119
- form_type: 8-K
- ticker: LRCX
- cik: 0000707549
- company_name: LAM RESEARCH CORP
- filed_at: 2022-10-19T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/707549/000070754922000119/0000707549-22-000119-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/707549/000070754922000119/lrcx-20221019.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000707549-22-000119
- JSON: https://secwatch.observer/filing/0000707549-22-000119.json
- Plain text: https://secwatch.observer/filing/0000707549-22-000119.txt

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