Lam Research CEO Timothy Archer Files Form 144 to Sell $7.13M in Common Stock

Executive Summary

On October 23, 2026, Timothy Archer, President, Chief Executive Officer, and Director of Lam Research Corp ($LRCX), filed SEC Form 144 signaling an intention to sell 31,400 shares of common stock with an estimated aggregate market value of $7,128,428.00.

Key Transaction Details

• Insider: Timothy Archer (Officer and Director)
• Shares to Sell: 31,400 shares
• Aggregate Market Value: $7,128,428.00 (~$227.02 per share)
• Acquisition Nature: Acquired on October 23, 2026, via stock option exercise from the issuer paid in cash
• Broker: Fidelity Brokerage Services LLC
• Trading Plan: Executed under a pre-established Rule 10b5-1 trading plan adopted on February 24, 2026

Prior Recent Sales (Past 3 Months)

During the prior three months, Timothy Archer reported the following sales:

• August 6, 2026: 30,000 shares for gross proceeds of $9,000,000.00
• September 9, 2026: 30,000 shares for gross proceeds of $9,577,800.00

Market and Trading Assessment

• Trading Significance: Medium
• While the proposed sale represents a sizable dollar amount (~$7.13 million) by the company's chief executive, it is tied to an option exercise and executed under a pre-cleared Rule 10b5-1 trading arrangement established months prior (February 2026). Given the consistent cadence of monthly sales and the pre-planned nature, market impact is anticipated to be minimal.