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 |
|---|---|---|---|
| S-8 | Employee stock plan registration | Nov 6, 2025 | — |
| S-8 POS | Filing | Nov 6, 2025 | — |
| S-3ASR | Automatic shelf registration | Aug 11, 2025 | — |
| 424B5 | Prospectus supplement | May 1, 2020 | — |
| FWP | Free writing prospectus | Apr 30, 2020 | — |
| 424B5 | Prospectus supplement | Apr 30, 2020 | — |
| S-8 | Employee stock plan registration | Sep 26, 2019 | — |
| S-8 | Employee stock plan registration | Apr 30, 2019 | — |
| 424B5 | Prospectus supplement | Feb 26, 2019 | — |
| FWP | Free writing prospectus | Feb 25, 2019 | — |
| 424B3 | Prospectus | Feb 25, 2019 | — |
| S-3ASR | Automatic shelf registration | Feb 21, 2019 | — |
| 424B5 | Prospectus supplement | May 25, 2016 | — |
| FWP | Free writing prospectus | May 24, 2016 | — |
| 424B3 | Prospectus | May 23, 2016 | — |
| 424B3 | Prospectus | Jan 13, 2016 | — |
| S-4/A | Amendment no. 1 to form s-4 | Jan 12, 2016 | — |
| S-4 | Registration for a merger or exchange | Dec 7, 2015 | — |
| S-8 | Employee stock plan registration | Nov 6, 2015 | — |
Showing 19 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.