Lam Research President & CEO Timothy Archer Sells $7.13M in Pre-Planned Option Exercise

Transaction Summary

On October 23, 2026, Lam Research Corp ($LRCX) President and CEO Timothy Archer exercised employee stock options to acquire 31,400 shares of common stock at an exercise price of $30.033 per share and subsequently sold all 31,400 shares at an average price of $227.02 per share. The gross proceeds from the sale totaled approximately $7.13 million, generating net cash proceeds (before taxes) of approximately $6.18 million.

Filing Details & Rule 10b5-1 Plan

• 10b5-1 Plan Adoption: Footnote 1 indicates this transaction was executed pursuant to a pre-established Rule 10b5-1 trading plan adopted on February 24, 2026.
• Derivative Exercise: The options exercised were granted with an expiration date of March 2, 2027, and were fully vested.
• Remaining Holdings: Following the transaction, Timothy Archer continues to hold 1,075,966 direct shares (including unvested restricted stock units) as well as 48,025.72 shares indirectly via a 401(k) plan and 5,670.002 shares via a spouse's 401(k) plan.

Market Significance

This transaction is categorized with Low market significance due to its nature as a routine, scheduled option exercise and sale under an established Rule 10b5-1 plan. The sale constitutes less than 3% of Archer's total direct equity holdings, leaving him heavily aligned with shareholders through over 1 million retained direct shares.