Lam Research (LRCX)Officer filed to sell ~$9.58M

~$9.58M

planned to sell · 30K shares, around Sep 9, 2026

Planned for

Sep 9, 2026

Notice filed

Sep 9, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Mar 27, 2026CongressDisclosed purchase of LRCX — reported range $1,001 - $15,000
2. Jul 13, 2026Insider · Their largest sale since 2019Director sold ~$6.12M of LRCX shares in the open market
3. Jul 29, 2026Company filing · Form 8-K · ResultsReported its results
4. Aug 6, 2026InsiderCEO sold ~$9M of LRCX shares in the open market
5. Aug 13, 2026CongressDisclosed partial sale of LRCX — reported range $1,001 - $15,000
6. Aug 24, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On August 24, 2026, Sohail U. Ahmed and Michael R. Cannon each notified the Board of Directors (the “Board”) of Lam Research Corporation (the “Company”) of their respective decisions to retire from the Board, effective November 2, 2026.”
7. Aug 31, 2026InsiderOfficer sold ~$1.51M of LRCX shares in the open market
8. Sep 2, 2026Insider · 1 personInsiders: 3 sales (~$17.4M)
9. Sep 9, 2026Insider · 2 peopleInsiders: 2 sales (~$12.6M)

How to read SEC Form 144

Form 144 is a notice that a company insider plans to sell shares. It is filed when the sell order is placed, so it announces a planned sale and does not prove that the sale took place.

Full guide: What is an SEC Form 144?

What else is on file for Lam Research

For Lam Research, OQRO holds 11 insider filings (SEC Form 4 or Form 144), 2 Congress trade reports and 134 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its LRCX page.

How this filing works

• SEC Form 144
• Rule 10b5-1 trading plans

Other disclosures at Lam Research

• SEC Form 4Sep 10, 2026
• SEC Form 4Sep 10, 2026
• SEC Form 144Sep 9, 2026
• SEC Form 4Sep 3, 2026
• SEC Form 4Sep 3, 2026
• SEC Form 4Sep 3, 2026

Everything OQRO holds on this company is on its LRCX page.