Lam Research Corp SEC filings LRCX

Lam Research Corp has 1,000 filings in SEC EDGAR's recent list, going back to Mar 13, 2015. Its latest annual report, Form ARS, was filed on Sep 24, 2026 for the period ended Jun 28, 2026. The latest quarterly report (Form 10-Q) was filed on Oct 22, 2026, covering the quarter ended Sep 27, 2026. The most recent current report (Form 8-K) was filed on Oct 21, 2026 (results of operations). The company's fiscal year ends on June 27.

Lam Research Corp SEC filings
Form Description Filed Period
DEFA14A Additional proxy material Sep 24, 2026 —
DEF 14A Proxy statement Sep 24, 2026 Nov 3, 2026
DEFA14A Additional proxy material Sep 24, 2025 —
DEFA14A Additional proxy material Sep 24, 2025 —
DEF 14A Proxy statement Sep 24, 2025 Nov 4, 2025
PRE 14A Preliminary proxy statement Sep 12, 2025 Nov 4, 2025
DEFA14A Additional proxy material Sep 25, 2024 —
DEF 14A Proxy statement Sep 25, 2024 Nov 5, 2024
DEFA14A Additional proxy material Sep 27, 2023 —
DEF 14A Proxy statement Sep 27, 2023 Nov 7, 2023
DEFA14A Additional proxy material Sep 28, 2022 —
DEF 14A Proxy statement Sep 28, 2022 Nov 8, 2022
DEFA14A Additional proxy material Sep 28, 2021 —
DEF 14A Proxy statement Sep 28, 2021 Nov 8, 2021
DEFA14A Additional proxy material Oct 15, 2020 —
DEFA14A Additional proxy material Sep 23, 2020 —
DEF 14A Proxy statement Sep 23, 2020 Nov 3, 2020
DEFA14A Additional proxy material Oct 16, 2019 —
DEFA14A Additional proxy material Oct 15, 2019 —
DEFA14A Additional proxy material Sep 25, 2019 —
DEF 14A Proxy statement Sep 25, 2019 Nov 5, 2019
DEFA14A Additional proxy material Sep 26, 2018 —
DEF 14A Proxy statement Sep 26, 2018 Nov 6, 2018
DEFA14A Additional proxy material Sep 28, 2017 —
DEF 14A Proxy statement Sep 28, 2017 Nov 8, 2017
DEFA14A Additional proxy material Oct 6, 2016 —
DEFA14A Additional proxy material Sep 29, 2016 —
DEF 14A Proxy statement Sep 29, 2016 Nov 9, 2016
DEFA14A Additional proxy material Sep 21, 2015 —
DEF 14A Proxy statement Sep 21, 2015 Nov 4, 2015

Showing 30 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Special Industry Machinery, NEC (SIC 3559)
Listed as
LRCX (Nasdaq)
Fiscal year ends
June 27
Incorporated in
DE
Headquarters
Fremont, CA
SEC filer status
Large accelerated filer
SEC CIK
707549

Other Special Industry Machinery, NEC companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.