Lam Research fiscal results for Dec 28 2025

Lam Research Corporation filed a current report to share that it has released financial results for its fiscal quarter ended December 28, 2025.

Rhea-AI Filing Summary

Lam Research Corporation filed a current report to share that it has released financial results for its fiscal quarter ended December 28, 2025. The company distributed these results through a press release dated January 28, 2026, which is attached as Exhibit 99.1.

The disclosure is made under Item 2.02, relating to results of operations and financial condition, and is expressly treated as “furnished,” not “filed,” under securities laws. This limits how the information in the press release is incorporated into other regulatory filings and how certain legal liabilities apply.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Lam Research Corporation (LRCX) report in this 8-K filing?

Lam Research Corporation reported that it issued a press release announcing financial results for its fiscal quarter ended December 28, 2025. The press release, dated January 28, 2026, is included as Exhibit 99.1 to the current report.

How did Lam Research (LRCX) provide its quarterly financial results?

Lam Research provided its quarterly financial results through a press release dated January 28, 2026. This press release, covering the fiscal quarter ended December 28, 2025, is attached to the current report as Exhibit 99.1 for investors to review.

Under which item did Lam Research (LRCX) disclose its quarterly results?

Lam Research disclosed its quarterly financial results under Item 2.02, titled Results of Operations and Financial Condition. This item is used when a company furnishes earnings information, typically via an accompanying press release like Exhibit 99.1 in this report.

Is Lam Research’s (LRCX) earnings press release considered filed or furnished?

The earnings press release is considered furnished, not filed. Lam Research states that the information in Item 2.02 and Exhibit 99.1 is furnished under the Exchange Act, which affects how it is treated for liability and incorporation into other filings.

Who signed Lam Research Corporation’s (LRCX) January 28, 2026 8-K?

The current report was signed on behalf of Lam Research Corporation by Douglas R. Bettinger. He is identified as Executive Vice President and Chief Financial Officer, serving as the company’s principal financial officer for this filing.

What exhibits are included with Lam Research’s (LRCX) January 28, 2026 8-K?

The report includes Exhibit 99.1, a press release announcing financial results for the fiscal quarter ended December 28, 2025, and Exhibit 104, which contains the cover page Inline XBRL data tags embedded within the electronic version of the document.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/28/2026 - 04:06 PM Learn about SEC filing dates

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Table of Contents

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): January 28, 2026

  LAM RESEARCH CORPORATION

(Exact name of registrant as specified in its charter)

Delaware

0-12933

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 (see General Instruction A.2. below):

☐						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

Table of Contents

Item 2.02.

Results of Operations and Financial Condition

3

Item 9.01.

Financial Statements and Exhibits

3

SIGNATURES

4

EX-99.1

Table of Contents

 Item 2.02. Results of Operations and Financial Condition

On January 28, 2026, Lam Research Corporation (the “Company”) issued a press release announcing its financial results for the fiscal quarter ended December 28, 2025, the text of which is attached hereto as Exhibit 99.1.

The information in this item of this Current Report on Form 8-K, including Exhibit 99.1, is furnished pursuant to Item 2.02 and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that Section. Furthermore, the information in this item of this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be incorporated by reference into the filings of the Company under the Securities Act of 1933, as amended, or the Exchange Act.

 Item 9.01. Financial Statements and Exhibits

(d) Exhibits

99.1			Press Release dated January 28, 2026 announcing financial results for the fiscal quarter ended December 28, 2025
104			Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document

Table of Contents

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date:			January 28, 2026						LAM RESEARCH CORPORATION
									(Registrant)
									/s/ Douglas R. Bettinger
									Douglas R. Bettinger
									Executive Vice President and Chief Financial Officer
									(Principal Financial Officer)