Company Analysis

Lam Research Corporation (LRCX)

Nasdaq: LRCX · Special Industry Machinery, NEC · Fremont, CA · filing with the SEC since 1994
Grade6.9
◀ Past 6.1● Present 7.5▶ Future 6.8

Filings

243 filings since 2017 beside 628 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-Q Quarterly report for the quarter ending Dec 31, 2026Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by Feb 9, 2027
10-K Annual report for the fiscal year ending Jun 27, 2027Large accelerated filers have 60 days after the fiscal year ends. by Aug 26, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 24 days after the quarter ended. The proxy statement was last filed Sep 24, 2026.

Filings a yearinsider forms included
93104987382956692
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 6 times in the last 36 months, the newest Aug 27, 2026.Auditor change (8-K item 4.01): 1 time in the last 36 months, the newest Sep 11, 2025.
Insider forms 628

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 5, 2026 8-K items 5.07, 8.01, 9.01 Shareholder vote; Other event · Current report Nov 3, 2026
Oct 22, 2026 10-Q Quarterly report Sep 27, 2026
Oct 21, 2026 8-K items 2.02, 9.01 Results released · Current report
Sep 24, 2026 ARS Annual report to shareholders Jun 28, 2026
Sep 24, 2026 DEFA14A Extra proxy material
Sep 24, 2026 DEF 14A Proxy statement Nov 3, 2026
Aug 27, 2026 8-K item 5.02 Officer or director change · Current report Aug 24, 2026
Aug 7, 2026 10-K Annual report Jun 28, 2026
Jul 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Jun 25, 2026 11-K Employee plan annual report Dec 31, 2025
Jun 1, 2026 SD Conflict minerals report
Apr 30, 2026 SCHEDULE 13G Large holder notice
Apr 23, 2026 10-Q Quarterly report Mar 29, 2026
Apr 22, 2026 8-K items 2.02, 9.01 Results released · Current report
Mar 27, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 4, 2026 8-K/A items 5.02, 9.01 Officer or director change · Current report, amended Jan 30, 2026
Feb 3, 2026 8-K items 5.02, 9.01 Officer or director change · Current report Jan 30, 2026
Jan 29, 2026 10-Q Quarterly report Dec 28, 2025
Jan 28, 2026 8-K items 2.02, 9.01 Results released · Current report
Nov 6, 2025 S-8 Employee stock plan registration
Nov 6, 2025 S-8 POS Employee stock plan update
Nov 6, 2025 8-K items 3.03, 5.02, 5.03, 5.07, 9.01 Change to shareholders' rights; Officer or director change; Charter, bylaw or fiscal-year change; Shareholder vote · Current report Nov 4, 2025
Oct 24, 2025 10-Q Quarterly report Sep 28, 2025
Oct 22, 2025 8-K items 2.02, 9.01 Results released · Current report
Sep 24, 2025 DEFA14A Extra proxy material
Sep 24, 2025 ARS Annual report to shareholders Jun 29, 2025
Sep 24, 2025 DEFA14A Extra proxy material
Sep 24, 2025 DEF 14A Proxy statement Nov 4, 2025
Sep 12, 2025 PRE 14A Preliminary proxy statement Nov 4, 2025
Sep 11, 2025 8-K items 4.01, 9.01 Auditor change · Current report Sep 8, 2025
Aug 11, 2025 S-3ASR Shelf registration
Aug 11, 2025 10-K Annual report Jun 29, 2025
Jul 30, 2025 8-K items 2.02, 9.01 Results released · Current report
Jun 26, 2025 11-K Employee plan annual report Dec 31, 2024
Jun 2, 2025 SD Conflict minerals report
May 21, 2025 8-K items 5.03, 9.01 Charter, bylaw or fiscal-year change · Current report May 20, 2025
Apr 25, 2025 10-Q Quarterly report Mar 30, 2025
Apr 23, 2025 8-K items 2.02, 9.01 Results released · Current report
Apr 8, 2025 SCHEDULE 13G/A Large holder update, amended
Apr 7, 2025 SCHEDULE 13G Large holder notice
40 of 243 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton LRCX · research, not advice