LRCX · CIK 0000707549
LAM RESEARCH CORP (LRCX) SEC Filings
Browse 2035 SEC filings for LAM RESEARCH CORP, covering May 6, 1994 through Jul 14, 2026, organized by filing purpose with direct links to the original EDGAR documents.
Indexed filings
2,035
Filed in the last 12 months
93
History covered
1994–2026
Latest filing
4
Latest important filings
Jump directly to the most recent annual, quarterly, and current reports.
Latest annual report
10-K
Annual report · Aug 11, 2025
Open original filingLatest quarterly report
10-Q
Quarterly report · Apr 23, 2026
Open original filingLatest company update
8-K
Results of operations · Apr 22, 2026
Open original filingComplete filing history
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50 filings
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Search by form or description, filter by purpose and year, and open the original SEC document.
| Form | Description | Period ended | Filed |
|---|---|---|---|
| 4 | Change in insider ownership | Jul 13, 2026 | Jul 14, 2026 |
| 144 | Notice of proposed securities sale | — | Jul 13, 2026 |
| 4 | Change in insider ownership | Jul 2, 2026 | Jul 6, 2026 |
| 144 | Notice of proposed securities sale | — | Jul 2, 2026 |
| 11-K | Employee benefit plan annual report | Dec 31, 2025 | Jun 25, 2026 |
| 4 | Change in insider ownership | Jun 12, 2026 | Jun 15, 2026 |
| 4 | Change in insider ownership | Jun 11, 2026 | Jun 15, 2026 |
| 144 | Notice of proposed securities sale | — | Jun 12, 2026 |
| 144 | Notice of proposed securities sale | — | Jun 11, 2026 |
| 4 | Change in insider ownership | Jun 1, 2026 | Jun 2, 2026 |
| SD | Specialized disclosure report | — | Jun 1, 2026 |
| 144 | Notice of proposed securities sale | — | Jun 1, 2026 |
| 144 | Notice of proposed securities sale | — | May 14, 2026 |
| 4 | Change in insider ownership | May 1, 2026 | May 4, 2026 |
| 144 | Notice of proposed securities sale | — | May 1, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 30, 2026 |
| 4 | Change in insider ownership | Apr 27, 2026 | Apr 28, 2026 |
| 144 | Notice of proposed securities sale | — | Apr 27, 2026 |
| 10-Q | Quarterly report | Mar 29, 2026 | Apr 23, 2026 |
| 8-K | Results of operations | Apr 22, 2026 | Apr 22, 2026 |
| SCHEDULE 13G/A Amended | SCHEDULE 13G filing | — | Mar 27, 2026 |
| 4 | Change in insider ownership | Mar 10, 2026 | Mar 11, 2026 |
| 3 | Initial insider ownership statement | Mar 6, 2026 | Mar 10, 2026 |
| 4 | Change in insider ownership | Mar 4, 2026 | Mar 5, 2026 |
| 4 | Change in insider ownership | Mar 4, 2026 | Mar 5, 2026 |
Page 1 of 2
Recent filing activity
Annual filing counts derived from this company's SEC history.
2026
56 filings
2025
66 filings
2024
95 filings
2023
82 filings
2022
73 filings
2021
98 filings
2020
104 filings
2019
93 filings
Sources and methodology
How this filing index is assembled and checked.
Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.
Index updated: 7/15/2026
For research and education only. Always review the original SEC filing before making a decision.