LRCX Lam Research
company
SEC Filings & Insider Trading Activity 2026

CIK: 707549
Industrials
Special Industry Machinery, NEC 56 filings
Nasdaq 100
S&P 500

Latest Lam Research (LRCX) SEC EDGAR filings in 2026, including the most recent 10-K annual report filed on August 11, 2025, a 10-Q quarterly report filed on April 23, 2026, an 8-K current report filed on July 29, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Lam Research (LRCX) (SEC CIK 707549), with AI-powered section-by-section summaries updated daily.

10-Q: 36
10-K: 12
8-K: 5
SC 13G: 3

Latest 2026 SEC Filing Dates

10-K Annual Report
Aug 11, 2025
10-Q Quarterly Report
Apr 23, 2026
8-K Current Report
Jul 29, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-06-29)

Business Overview

  • Core business model: Semiconductor manufacturing equipment and services provider
  • No new products, services, or segments introduced or emphasized this year
  • No strategic shift or changed competitive positioning disclosed in this filing
  • Corporate governance updates: Amended Certificate of Incorporation (Oct 2024) and Bylaws (May 2025)
  • Noteworthy fact: Code of Ethics publicly posted with commitment to timely disclosure of amendments or waivers

Risk Factors

  • Regulatory risk from U.S. export controls restricting sales to China, impacting market access and revenue in key regions
  • Geopolitical threat from Middle East conflict and related macroeconomic uncertainties affecting semiconductor capital equipment demand
  • Supply chain vulnerability due to procurement shortages and supplier performance inconsistencies risking production delays and increased costs
  • Competitive risk from foreign government-backed rivals offering discounted or free products, challenging Lam’s market share globally
  • Financial concentration risk as sales and credit exposure depend heavily on a limited number of large customers

Management Discussion & Analysis

  • Revenue not explicitly stated in provided text; no YoY dollar amounts available
  • No profitability or margin % figures disclosed in the provided excerpt
  • Best and worst performing segments not detailed or quantified in provided section
  • Cash flow, buybacks, dividends, capex details not included in provided text
  • Key risks: global trade disputes, tariffs, export controls impacting revenue and margins, supply chain disruptions, foreign currency fluctuations, PFAS chemical restrictions, restructuring risks

Go deeper on Lam Research

Ask AI about LRCX filings. Chat with the 10-K, 10-Q, and 8-K for instant answers on financials, risks, and guidance.

Track institutional money. See which funds are building or cutting LRCX positions, quarter over quarter.

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Annual Reports Archive
10-K

AI-powered analysis of Lam Research (LRCX) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of Lam Research (LRCX) 10-Q quarterly reports filed with SEC EDGAR.

Financial Summary
XBRL

FY2023FY2024FY2025
Profitability
Revenue-$14.9B$18.4B
Gross Profit$7.8B$7.1B$9.0B
Operating Income-$4.3B$5.9B
Net Income$4.5B$3.8B$5.4B
Gross Margin-47.3%48.7%
Op. Margin-28.6%32.0%
Net Margin-25.7%29.1%
Balance Sheet
Total Assets$18.8B$18.7B$21.3B
Equity-$8.5B$9.9B
ROE-44.8%54.3%
Per Share
EPS$33.21$29.00$4.15
Cash Flow
Operating CF-$4.7B$6.2B

Source: XBRL financial data from Lam Research (LRCX) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Jul 29, 2026---
10-Q
Apr 23, 2026Mar 29, 2026-
8-K
Apr 22, 2026---
8-K
Feb 4, 2026--
8-K
Feb 3, 2026--
10-Q
Jan 29, 2026Dec 28, 2025Analysis
8-K
Jan 28, 2026--
10-Q
Oct 24, 2025Sep 28, 2025Analysis
10-K
Aug 11, 2025Jun 29, 2025Analysis
10-Q
Apr 25, 2025Mar 30, 2025Analysis
10-Q
Jan 31, 2025Dec 29, 2024-
10-Q
Oct 28, 2024Sep 29, 2024-
10-K
Aug 29, 2024Jun 30, 2024-
10-Q
Apr 29, 2024Mar 31, 2024-
10-Q
Jan 29, 2024Dec 24, 2023-
10-Q
Oct 23, 2023Sep 24, 2023-
10-K
Aug 15, 2023Jun 25, 2023-
10-Q
Apr 24, 2023Mar 26, 2023-
10-Q
Jan 30, 2023Dec 25, 2022-
10-Q
Oct 24, 2022Sep 25, 2022-
10-K
Aug 24, 2022Jun 26, 2022-
10-Q
Apr 26, 2022Mar 27, 2022-
10-Q
Feb 1, 2022Dec 26, 2021-
10-Q
Oct 26, 2021Sep 26, 2021-
10-K
Aug 17, 2021Jun 27, 2021-

13F Fund Holdings: Quarterly Trend

Latest: Q1 2026

Aggregate LRCX share value held by 13F filers tracked by SignalX, by quarter.

Position changes: Q4 2025Q1 2026
Top Buyers
Top Sellers
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 316 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe.

Frequently Asked Questions

What are the latest LRCX SEC filings in 2026?

Lam Research (LRCX) has filed a 10-K annual report on August 11, 2025, a 10-Q quarterly report on April 23, 2026, an 8-K current report on July 29, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did LRCX file its most recent 10-K annual report?

Lam Research (LRCX) filed its most recent 10-K annual report on August 11, 2025. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view LRCX 10-Q quarterly reports?

Lam Research (LRCX)'s most recent 10-Q quarterly report was filed on April 23, 2026. SignalX displays every LRCX 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has LRCX filed recently?

Lam Research (LRCX)'s most recent 8-K was filed on July 29, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find LRCX insider trading activity (Form 4)?

SignalX aggregates every LRCX Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does LRCX file with the SEC?

Lam Research (LRCX) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new LRCX filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs, such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Lam Research (LRCX).

What is LRCX's SEC CIK number?

Lam Research (LRCX)'s SEC CIK (Central Index Key) number is 707549. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 707549 to look up all LRCX filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find LRCX return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from Lam Research (LRCX) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

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