Lam Research Corp. SEC filings
In the twelve months since 23 September 2025 Lam Research Corp. filed 19 documents with the SEC of the kinds listed here: 8 current reports (8-K), about 4 officer or director change; 4 results of operations; 1 change to security holders' rights; 1 charter or bylaw amendment, or fiscal year change; 1 shareholder vote; 3 quarterly reports (10-Q), 2 additional proxy materials (DEFA14A), 1 annual report (10-K), 1 employee plan annual report (11-K), 1 conflict minerals report (SD), 1 employee share plan registration (S-8). The latest, filed 27 August 2026: 8-K, officer or director change.
| Filed | Form | What it was about | Period or event date | Filing |
|---|---|---|---|---|
| 27 August 2026 | 8-K | Officer or director change | 24 August 2026 | EDGAR |
| 7 August 2026 | 10-K | annual report | 28 June 2026 | EDGAR |
| 29 July 2026 | 8-K | Results of operations | 29 July 2026 | EDGAR |
| 25 June 2026 | 11-K | employee plan annual report | 31 December 2025 | EDGAR |
| 1 June 2026 | SD | conflict minerals report | EDGAR | |
| 23 April 2026 | 10-Q | quarterly report | 29 March 2026 | EDGAR |
| 22 April 2026 | 8-K | Results of operations | 22 April 2026 | EDGAR |
| 4 February 2026 | 8-K/A | Officer or director change | 30 January 2026 | EDGAR |
| 3 February 2026 | 8-K | Officer or director change | 30 January 2026 | EDGAR |
| 29 January 2026 | 10-Q | quarterly report | 28 December 2025 | EDGAR |
| 28 January 2026 | 8-K | Results of operations | 28 January 2026 | EDGAR |
| 6 November 2025 | S-8 | employee share plan registration | EDGAR | |
| 6 November 2025 | 8-K | Change to security holders' rights, Officer or director change, Charter or bylaw amendment, or fiscal year change, Shareholder vote | 4 November 2025 | EDGAR |
| 24 October 2025 | 10-Q | quarterly report | 28 September 2025 | EDGAR |
| 22 October 2025 | 8-K | Results of operations | 22 October 2025 | EDGAR |
| 24 September 2025 | DEFA14A | additional proxy material | EDGAR | |
| 24 September 2025 | ARS | annual report to shareholders | 29 June 2025 | EDGAR |
| 24 September 2025 | DEFA14A | additional proxy material | EDGAR | |
| 24 September 2025 | DEF 14A | proxy statement | 4 November 2025 | EDGAR |
An 8-K is what a company files within four business days of a material event; the SEC numbers the events, and the words here are the SEC's own headings, shortened. Form 4, Form 144, 13F and Schedule 13D and 13G have their own pages. Prospectus supplements and correspondence are not listed.
Source
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