Lam Research CEO/Director Timothy Archer Files Form 144 to Sell $9.58M in Common Stock

Insider Filing Analysis: Form 144 Notice of Proposed Sale

Issuer: Lam Research Corp ($LRCX)
Insider: Timothy Archer (Officer and Director)
Filing Date: September 9, 2026

Key Transaction Summary

• Proposed Transaction Date: September 9, 2026
• Shares to Sell: 30,000 Common shares
• Aggregate Market Value: $9,577,800.00 (~$319.26 per share)
• Acquisition Method: Same-day stock option exercise from the issuer paid in cash
• Broker: Fidelity Brokerage Services LLC

Context & 10b5-1 Trading Plan

• Pre-arranged Plan: This proposed transaction is executed pursuant to a Rule 10b5-1 trading plan adopted on February 24, 2026.
• Recent Sales History:
  • July 2, 2026: 30,000 shares sold for gross proceeds of $11,700,300.00.
  • August 6, 2026: 30,000 shares sold for gross proceeds of $9,000,000.00.
• Market Significance: Medium. The proposed sale demonstrates a consistent, programmed monthly schedule of option exercises and liquidations (30,000 shares per month) pursuant to an established Rule 10b5-1 trading plan.