KLA's President and CEO, Richard P. Wallace, has sold 87,568 shares of common stock at a price of $198.95 on August 11, 2026, under his 10b5-1 trading plan. Following this transaction, Wallace still holds a significant number of shares, including 386,970.215 shares that are issuable upon the vesting of restricted stock units. As this is an unusual transaction by an executive, the market might interpret this as a signal that the company's stock could be overvalued, which investors should take note of.