---
schema_version: "secwatch.filing_event.v1"
accession: "0000707549-21-000152"
form_type: "8-K"
ticker: "LRCX"
cik: "0000707549"
company_name: "LAM RESEARCH CORP"
filed_at: "2021-10-20T23:59:59+00:00"
generated_at: "2026-06-28T19:46:34.619511+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Lam Research Q1 FY2022 revenue $4.30B, GAAP EPS $8.27, guides Q2 rev ~$4.4B

## Summary
- Revenue $4.30B (+4% QoQ); GAAP diluted EPS $8.27 (+4% QoQ); Non-GAAP diluted EPS $8.36.
- GAAP gross margin 45.9% (-30bps QoQ); Non-GAAP gross margin 46.0% (-50bps QoQ).
- Cash from ops $457.5M; share repurchases $1.2B; dividends $185.4M; cash balance $4.9B.
- Guidance for Dec 2021: rev ~$4.4B, GAAP EPS $8.37, Non-GAAP EPS $8.45.
- CEO Tim Archer highlighted sixth consecutive quarter of record revenue and EPS.

## SEC filing metadata
- accession: 0000707549-21-000152
- form_type: 8-K
- ticker: LRCX
- cik: 0000707549
- company_name: LAM RESEARCH CORP
- filed_at: 2021-10-20T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/707549/000070754921000152/0000707549-21-000152-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/707549/000070754921000152/lrcx-20211020.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000707549-21-000152
- JSON: https://secwatch.observer/filing/0000707549-21-000152.json
- Plain text: https://secwatch.observer/filing/0000707549-21-000152.txt

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