Lam Research Corporation (LRCX) SEC Filings

Browse all Lam Research Corporation SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more

Lam Research Corporation Reports: Annual 10-K, Quarterly 10-Q & SEC Filings

SEC Filings

Date

4

Insider ownership (buying, selling) activity

Jul 6, 2026

11-K

Annual performance report of employee stock plans

Jun 25, 2026

4

Insider ownership (buying, selling) activity

Jun 15, 2026

4

Insider ownership (buying, selling) activity

Jun 15, 2026

4

Insider ownership (buying, selling) activity

Jun 2, 2026

SD

Specialized disclosure report (e.g., conflict minerals)

Jun 1, 2026

4

Insider ownership (buying, selling) activity

May 4, 2026

SC 13G

Passive large shareholder ownership disclosure

Apr 30, 2026

4

Insider ownership (buying, selling) activity

Apr 28, 2026

10-Q

Quarterly financial results and management updates

Apr 23, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Apr 22, 2026

SC 13G/A

Updated passive ownership disclosure

Mar 27, 2026

4

Insider ownership (buying, selling) activity

Mar 11, 2026

3

Initial disclosure of insider ownership

Mar 10, 2026

4

Insider ownership (buying, selling) activity

Mar 5, 2026

4

Insider ownership (buying, selling) activity

Mar 5, 2026

4

Insider ownership (buying, selling) activity

Mar 3, 2026

4

Insider ownership (buying, selling) activity

Mar 3, 2026

4

Insider ownership (buying, selling) activity

Mar 2, 2026

4

Insider ownership (buying, selling) activity

Mar 2, 2026

4

Insider ownership (buying, selling) activity

Mar 2, 2026

4

Insider ownership (buying, selling) activity

Mar 2, 2026

4

Insider ownership (buying, selling) activity

Mar 2, 2026

4

Insider ownership (buying, selling) activity

Mar 2, 2026

4

Insider ownership (buying, selling) activity

Mar 2, 2026

4

Insider ownership (buying, selling) activity

Mar 2, 2026

4

Insider ownership (buying, selling) activity

Feb 25, 2026

3/A

Corrected or updated initial insider ownership

Feb 9, 2026

4

Insider ownership (buying, selling) activity

Feb 9, 2026

4

Insider ownership (buying, selling) activity

Feb 9, 2026

4

Insider ownership (buying, selling) activity

Feb 5, 2026

3

Initial disclosure of insider ownership

Feb 5, 2026

4

Insider ownership (buying, selling) activity

Feb 5, 2026

4

Insider ownership (buying, selling) activity

Feb 5, 2026

4

Insider ownership (buying, selling) activity

Feb 5, 2026

4

Insider ownership (buying, selling) activity

Feb 5, 2026

4

Insider ownership (buying, selling) activity

Feb 5, 2026

4

Insider ownership (buying, selling) activity

Feb 5, 2026

8-K/A

Corrected company event report

Feb 4, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Feb 3, 2026

Lam Research Corporation (Form 4) 2026

Insider Trades / Insider ownership (buying, selling) activity

Jul 6, 2026

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