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 |
|---|---|---|---|
| 11-K | Employee savings plan report | Jun 25, 2026 | Dec 31, 2025 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2026 | — |
| 11-K | Employee savings plan report | Jun 26, 2025 | Dec 31, 2024 |
| SD | Specialized disclosure (conflict minerals) | Jun 2, 2025 | — |
| 11-K | Employee savings plan report | Jun 26, 2024 | Dec 31, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2024 | — |
| 11-K | Employee savings plan report | Jun 7, 2023 | Dec 31, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2023 | — |
| 11-K | Employee savings plan report | Jun 16, 2022 | Dec 31, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2022 | — |
| 11-K | Employee savings plan report | Jun 22, 2021 | Dec 31, 2020 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2021 | — |
| UPLOAD | Letter from the SEC | Jan 19, 2021 | — |
| CORRESP | Letter to the SEC | Jan 15, 2021 | — |
| UPLOAD | Letter from the SEC | Jan 6, 2021 | — |
| 11-K | Employee savings plan report | Jun 17, 2020 | Dec 31, 2019 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2020 | — |
| 11-K | Employee savings plan report | Jun 28, 2019 | Dec 31, 2018 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2019 | — |
| 11-K | Employee savings plan report | Jun 15, 2018 | Dec 31, 2017 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2018 | — |
| 11-K | Employee savings plan report | Jun 15, 2017 | Dec 31, 2016 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2017 | — |
| RW | Lrcx_rw | Oct 11, 2016 | — |
| 11-K | Employee savings plan report | Jun 24, 2016 | Dec 31, 2015 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2016 | — |
| 425 | Filing | Feb 12, 2016 | — |
| 425 | 8-k | Feb 5, 2016 | — |
| 425 | Filing | Jan 29, 2016 | — |
| 425 | Filing | Jan 25, 2016 | — |
| 425 | Filing | Jan 19, 2016 | — |
| EFFECT | Filing | Jan 13, 2016 | — |
| CORRESP | Letter to the SEC | Jan 12, 2016 | — |
| UPLOAD | Letter from the SEC | Dec 16, 2015 | — |
| 425 | Filing | Dec 15, 2015 | — |
| 425 | Filing | Dec 14, 2015 | — |
| 425 | Form 425 | Dec 3, 2015 | — |
| 425 | Filing | Nov 18, 2015 | — |
| 425 | Filing | Nov 16, 2015 | — |
| 425 | Form 8-k | Nov 12, 2015 | — |
| 425 | Filing | Nov 9, 2015 | — |
| 425 | Form 425 | Oct 30, 2015 | — |
| 425 | Filing | Oct 27, 2015 | — |
| 425 | Filing | Oct 26, 2015 | — |
| 425 | Filing | Oct 26, 2015 | — |
| 425 | Filing | Oct 22, 2015 | — |
| 425 | Filing | Oct 21, 2015 | — |
| 425 | Filing | Oct 21, 2015 | — |
| 425 | Filing | Oct 21, 2015 | — |
| 425 | Filing | Oct 21, 2015 | — |
| 425 | Filing | Oct 21, 2015 | — |
| 425 | Filing | Oct 21, 2015 | — |
| 425 | Form 8-k | Oct 21, 2015 | — |
| 11-K | Employee savings plan report | Jun 22, 2015 | Dec 31, 2014 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2015 | — |
Showing 55 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.