Lam Research (LRCX): Director sold ~$174K

~$174K

Approx. value · 719 sh @ $242.59

916

Holds after · shares reported

Traded

Nov 2, 2026

Filed

Nov 3, 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. Sep 2, 2026Insider · 1 personInsiders: 3 sales (~$17.4M)
2. Sep 9, 2026Insider · 2 peopleInsiders: 2 sales (~$12.6M)
3. Oct 6, 2026Government · Federal Register noticePhasedown of Hydrofluorocarbons: Notice of 2027 Allowance Allocations for Production and Consumption of Regulated Substances Under the American Innovation and Manufacturing Act of 2020, and Notice of Final Actions Establishing Administrative Consequences
4. Oct 15, 2026CongressDisclosed purchase of LRCX — reported range $1,001 - $15,000
5. Oct 21, 2026Company filing · Form 8-K · ResultsReported its results
6. Oct 23, 2026InsiderCEO sold ~$7.13M of LRCX shares in the open market
7. Nov 2, 2026 · this disclosureInsiderDirector sold ~$174K of LRCX shares in the open market

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Lam Research

For Lam Research, OQRO holds 14 insider filings (SEC Form 4 or Form 144), 2 Congress trade reports and 84 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.

Other recent filings by Bethany Mayer, Director

• SEC Form 4 at Lam Research (LRCX)Sep 10, 2026
• SEC Form 4 at Box, Inc. (BOX)Jun 30, 2026
• SEC Form 4 at Box, Inc. (BOX)Jun 30, 2026
• SEC Form 4 at Hewlett Packard Enterprise (HPE)May 6, 2026
• SEC Form 4 at Lam Research (LRCX)Nov 10, 2025

The full history of Bethany Mayer, Director is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Lam Research

• SEC Form 144Nov 2, 2026
• House Clerk periodic transaction reportOct 29, 2026
• SEC Form 4Oct 26, 2026
• SEC Form 144Oct 23, 2026
• SEC Form 4Sep 10, 2026
• SEC Form 4Sep 10, 2026

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