A Form 4 filed on August 7, 2026 reports that Timothy Archer, President and CEO of Lam Research Corp (NASDAQ: LRCX), exercised employee stock options and sold 30,000 shares of common stock on August 6, 2026, pursuant to a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • Option exercise: Archer exercised employee stock options covering 30,000 shares at an exercise price of $30.033 per share on August 6, 2026.
  • Sale transaction: 30,000 shares of common stock were disposed of at a price of $300 per share on August 6, 2026.
  • 10b5-1 plan: The filing states the transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by Archer on February 24, 2026.
  • Remaining direct holdings: Following the transactions, Archer directly beneficially owned 1,075,966 shares, a figure the filing notes includes shares subject to unvested restricted stock units.
  • Indirect holdings: Archer also holds 48,025.72 shares indirectly through a 401(k) and 5,670.002 shares indirectly through a spouse's 401(k).
  • Remaining options: After the exercise, Archer held 61,400 employee stock options directly, with an expiration date of March 2, 2027.

Transaction Details: Archer's Option Exercise and Share Sale at Lam Research

According to the filing, Timothy Archer exercised employee stock options covering 30,000 shares of Lam Research common stock on August 6, 2026, at a conversion or exercise price of $30.033 per share. Simultaneously, he disposed of 30,000 shares at a price of $300 per share. The filing identifies both transactions as occurring under transaction codes M (exercise from derivative) and S (sale), respectively. The filing states that these transactions were made pursuant to a Rule 10b5-1 trading plan Archer adopted on February 24, 2026.

Following the reported transactions, Archer's direct beneficial ownership stood at 1,075,966 shares. The filing notes that this amount includes shares subject to unvested restricted stock units. In addition to his direct holdings, the filing reports indirect beneficial ownership of 48,025.72 shares held through a 401(k) plan and 5,670.002 shares held through a spouse's 401(k). Archer retains 61,400 employee stock options directly, which carry an exercise price of $30.033 and an expiration date of March 2, 2027. The filing states the underlying options were to become exercisable in three equal installments on March 2, 2021, March 2, 2022, and March 2, 2023.

The Form 4 was signed by Marta Woods under power of attorney and dated August 7, 2026. Archer is identified in the filing as President and CEO of Lam Research Corp, and the filing was submitted as an individual filing by one reporting person.

What Was Disclosed

The filing discloses a same-day option exercise and share sale by Lam Research's President and CEO on August 6, 2026, conducted under a pre-established 10b5-1 plan, along with updated beneficial ownership figures across direct and indirect accounts.