{"schema_version":"secwatch.filing_event.v1","accession":"0000707549-21-000124","form_type":"8-K","ticker":"LRCX","cik":"0000707549","company_name":"LAM RESEARCH CORP","filed_at":"2021-07-28T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.515959+00:00","generated_at":"2026-06-30T01:52:12.459684+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Lam Research Q4 FY2021 revenue $4.15B, EPS $7.98; guides Q1 rev ~$4.3B","bullets":["Revenue $4.15B (+8% QoQ); GAAP diluted EPS $7.98 (+8% QoQ).","Non-GAAP diluted EPS $8.09, vs $7.49 in prior quarter.","FY2021 revenue grew >45% YoY, EPS up >70%.","Q1 FY2022 guidance: revenue $4.3B ± $250M, non-GAAP EPS $8.10 ± $0.50.","Operating cash flow $1.44B; $617M returned via buybacks and dividends."],"urls":{"canonical":"https://secwatch.observer/filing/0000707549-21-000124","json":"https://secwatch.observer/filing/0000707549-21-000124.json","markdown":"https://secwatch.observer/filing/0000707549-21-000124.md","text":"https://secwatch.observer/filing/0000707549-21-000124.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/707549/000070754921000124/0000707549-21-000124-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/707549/000070754921000124/lrcx-20210728.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T01:52:12.459684+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}