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