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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 21, 2026

LAM RESEARCH CORPORATION

(Exact name of registrant as specified in its charter)

Delaware

000-12933

94-2634797

(State or Other Jurisdiction
of Incorporation)

(Commission
File Number)

(IRS Employer
Identification Number)

4650 Cushing Parkway

Fremont, California 94538

(Address of principal executive offices, including zip code)

(510) 572-0200

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


☐		Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐		Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐		Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐		Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, Par Value $0.001 Per Share	LRCX	The Nasdaq Stock Market
		(Nasdaq Global Select Market)

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Table of Contents

Item 2.02.

Results of Operations and Financial Condition

Item 9.01.

Financial Statements and Exhibits

SIGNATURES

EX-99.1

Table of Contents


Item 2.02.	Results of Operations and Financial Condition

On October 21, 2026, Lam Research Corporation (the “Company”) issued a press release announcing its financial results for the fiscal quarter ended September 27, 2026. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

本条目2.02中的信息，包括附表99.1，仅供提供之用，不得视为根据《1934年证券交易法》第18条（以下简称“证券交易法”）规定“提交”的文件，也不得视为受该条款的任何责任约束，也不得视为根据《1933年证券法》（经修订）或证券交易法向公司提交的任何文件中引用的资料。


条目 9.01。	财务报表和附表

(d) 附表


附表编号	描述
99.1	2026年10月21日发布的新闻稿，宣布截至2026年9月27日的财季财务结果
104	封面页面交互式数据文件 - 封面页面XBRL标签已嵌入内联XBRL文档中

签名

根据《1934年证券交易法》的要求，注册人已 duly 促使本报告由在此 duly 授权的签署人代表其签署。


日期：	2026年10月21日	LAM RESEARCH CORPORATION
		(注册人)
		/s/ Douglas R. Bettinger
		Douglas R. Bettinger
		执行副总裁兼首席财务官
		（首席财务官）

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