Companies: 10,795·Total market cap: $144.5T
Lam Research Corporation

Lam Research Corporation

LRCXNASDAQTechnology● Active
$303.28
$-33.13(-9.85%)
Market Cap$379.3B
P/E Ratio
52W High$346.19
52W Low$84.34
SEC Filings

Lam Research Corporation (LRCX) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0000707549 · LRCX · NASDAQ · as of Jun 8, 2026

Filing snapshot

1,000+
Total Filings
4
Latest Form
2026-06-02
Most Recent
1984
Filing Since

Source: SEC EDGAR (data.sec.gov) · CIK 0000707549 · Updated hourly · Not investment advice

Latest Annual Report

10-K · Annual ReportFY
Filed Date
2025-08-11
Fiscal Year End
Aug 11, 2025
Accession No.
0000707549-25-000075
Primary Document
lrcx-20250629.htm
Source: data.sec.gov · CIK 0000707549 · Accession 0000707549-25-000075

Latest Key Filings

10-QQuarterly Report
10-Q
2026-04-23
8-KCurrent Report
8-K
2026-04-22Material Event
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

SEC Filing History

Hide Form 4 / 144
SDSD
SD
2026-06-01
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-04-30
View
10-QQuarterly Report
10-Q
2026-04-23
View
8-KCurrent Report
8-K
2026-04-22
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-03-27
View
3Initial Statement of Beneficial Ownership
FORM 3
2026-03-10
View
3/AInitial Statement of Beneficial Ownership (Amended)
FORM 3/A
2026-02-09
View
3Initial Statement of Beneficial Ownership
FORM 3
2026-02-05
View
8-K/ACurrent Report (Amended)
8-K/A
2026-02-04
View
8-KCurrent Report
8-K
2026-02-03
View
10-QQuarterly Report
10-Q
2026-01-29
View
8-KCurrent Report
8-K
2026-01-28
View
S-8Employee Stock Plan Registration
S-8
2025-11-06
View
S-8 POSS-8 POS
S-8 POS
2025-11-06
View
8-KCurrent Report
8-K
2025-11-06
View
Showing 1–15 of 363 filingsForm 4 / 144 hidden· 1000 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0000707549  |  Exchange: NASDAQ · Technology

Lam Research Corporation (NASDAQ: LRCX) has submitted 1,000+ documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 1984. As a Technology sector company with CIK 0000707549, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Lam Research Corporation's most comprehensive regulatory disclosure. The most recent Lam Research Corporation 10-K was filed on 2025-08-11 for fiscal year ending 2025. Historical LRCX 10-K annual reports are available from 2015 through 2025.

Investors researching Lam Research Corporation SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-08

Frequently Asked Questions

LRCX SEC Filings · 8 questions

Lam Research Corporation (LRCX) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 1,000+ filings and access original documents at no cost. Lam Research Corporation's CIK is 0000707549.

LRCX SEC filingsLam Research Corporation SEC documentsfind LRCX 10-K