ARM CAO Laura Kathleen Bartels sold 11,306 shares at $392.70 on 2026-06-02; holdings now 12,135 shares (-48.2%)
Laura Kathleen Bartels, ARM's Chief Accounting Officer, sold 11,306 shares for approximately $4.4M, reducing her holdings from 23,441 shares to 12,135 shares—a reduction of 48.2% of her pre-transaction position. The sale occurred at $392.70, which is 8.1% below the 52-week high of $427.99 and reflects a 244.0% gain over the prior 90 days. As the person responsible for accounting controls and financial reporting at a $415.7B market-cap company, any material change in her holdings may be of interest to investors monitoring executive confidence in current valuation. The magnitude of this reduction—nearly half her position—warrants monitoring whether this is isolated to her circumstance or part of a broader insider activity pattern at the company.