{"schema_version":"secwatch.filing_event.v1","accession":"0000707549-22-000097","form_type":"8-K","ticker":"LRCX","cik":"0000707549","company_name":"LAM RESEARCH CORP","filed_at":"2022-07-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:57.956233+00:00","generated_at":"2026-06-24T08:22:50.291416+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 revenue $4.64B, GAAP EPS $8.74, guided Q1 revenue $4.9B","bullets":["Revenue $4.635B, +14% QoQ; GAAP diluted EPS $8.74, +20% QoQ; Non-GAAP diluted EPS $8.83.","GAAP gross margin 45.3%; operating margin 31.9%; record revenue and EPS in the quarter.","Systems revenue $3.006B; customer support revenue $1.629B; China 31%, Korea 24%, Taiwan 19%.","September quarter guidance: revenue $4.9B ±$300M; GAAP diluted EPS $9.48 ±$0.75; Non-GAAP $9.50.","Cash and investments $3.9B; repurchased $876M of shares and paid $208M in dividends during Q4."],"urls":{"canonical":"https://secwatch.observer/filing/0000707549-22-000097","json":"https://secwatch.observer/filing/0000707549-22-000097.json","markdown":"https://secwatch.observer/filing/0000707549-22-000097.md","text":"https://secwatch.observer/filing/0000707549-22-000097.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/707549/000070754922000097/0000707549-22-000097-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/707549/000070754922000097/lrcx-20220727.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-24T08:22:50.291416+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"}