---
schema_version: "secwatch.filing_event.v1"
accession: "0000707549-25-000068"
form_type: "8-K"
ticker: "LRCX"
cik: "0000707549"
company_name: "LAM RESEARCH CORP"
filed_at: "2025-07-30T23:59:59+00:00"
generated_at: "2026-05-17T23:19:31.043813+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Lam Research Q4 FY2025 revenue $5.17B (+9.6% QoQ), GAAP EPS $1.35

## Summary
- Revenue $5.17B (+9.6% QoQ); GAAP gross margin 50.1%, op margin 33.7%.
- Non-GAAP EPS $1.33 vs $1.04; GAAP EPS $1.35 vs $1.03 prior quarter.
- Sept Q guidance: revenue $5.2B +/- $300M, non-GAAP EPS $1.20 +/- $0.10.
- Deferred revenue $2.68B (up from $2.01B); cash $6.4B.
- China 35% of Q4 rev; systems rev $3.44B, customer support $1.73B.

## SEC filing metadata
- accession: 0000707549-25-000068
- form_type: 8-K
- ticker: LRCX
- cik: 0000707549
- company_name: LAM RESEARCH CORP
- filed_at: 2025-07-30T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/707549/000070754925000068/0000707549-25-000068-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/707549/000070754925000068/lrcx-20250730.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000707549-25-000068
- JSON: https://secwatch.observer/filing/0000707549-25-000068.json
- Plain text: https://secwatch.observer/filing/0000707549-25-000068.txt

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