---
schema_version: "secwatch.filing_event.v1"
accession: "0000707549-22-000063"
form_type: "8-K"
ticker: "LRCX"
cik: "0000707549"
company_name: "LAM RESEARCH CORP"
filed_at: "2022-04-20T23:59:59+00:00"
generated_at: "2026-06-26T06:20:57.257151+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Lam Research March quarter rev $4.06B, GAAP EPS $7.30, down QoQ; guides June Q rev ~$4.2B

## Summary
- Revenue $4.06B, down 4% sequentially from $4.23B; GAAP diluted EPS $7.30 vs $8.44.
- Non-GAAP diluted EPS $7.40 vs $8.53; gross margin 44.7% (down 210 bps QoQ).
- Cash & investments $4.6B, down $1B; deferred revenue $2.07B, up from $1.46B.
- Guidance for June quarter: revenue $4.2B +/- $300M; non-GAAP EPS $7.25 +/- $0.75.
- CEO cites difficult supply environment; expects return to solid growth as constraints ease.

## SEC filing metadata
- accession: 0000707549-22-000063
- form_type: 8-K
- ticker: LRCX
- cik: 0000707549
- company_name: LAM RESEARCH CORP
- filed_at: 2022-04-20T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/707549/000070754922000063/0000707549-22-000063-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/707549/000070754922000063/lrcx-20220420.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000707549-22-000063
- JSON: https://secwatch.observer/filing/0000707549-22-000063.json
- Plain text: https://secwatch.observer/filing/0000707549-22-000063.txt

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