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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.

FiledFormWhat it was aboutPeriod or event dateFiling
27 August 20268-KOfficer or director change24 August 2026EDGAR
7 August 202610-Kannual report28 June 2026EDGAR
29 July 20268-KResults of operations29 July 2026EDGAR
25 June 202611-Kemployee plan annual report31 December 2025EDGAR
1 June 2026SDconflict minerals reportEDGAR
23 April 202610-Qquarterly report29 March 2026EDGAR
22 April 20268-KResults of operations22 April 2026EDGAR
4 February 20268-K/AOfficer or director change30 January 2026EDGAR
3 February 20268-KOfficer or director change30 January 2026EDGAR
29 January 202610-Qquarterly report28 December 2025EDGAR
28 January 20268-KResults of operations28 January 2026EDGAR
6 November 2025S-8employee share plan registrationEDGAR
6 November 20258-KChange to security holders' rights, Officer or director change, Charter or bylaw amendment, or fiscal year change, Shareholder vote4 November 2025EDGAR
24 October 202510-Qquarterly report28 September 2025EDGAR
22 October 20258-KResults of operations22 October 2025EDGAR
24 September 2025DEFA14Aadditional proxy materialEDGAR
24 September 2025ARSannual report to shareholders29 June 2025EDGAR
24 September 2025DEFA14Aadditional proxy materialEDGAR
24 September 2025DEF 14Aproxy statement4 November 2025EDGAR

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

The company's filing index on EDGAR, read from the SEC's submissions feed.

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