FORM ▼ -10.7% - FormFactor, Inc. $FORM 4P - ECVT - Ecovyst Inc. DIRECTOR: Humble Patti A. P | 24,875 | $10.05 | $249,994 FormFactor fell 10.7% today following a Form 4 filing showing director Patti A. Humble selling 24,875 shares at $10.05 per share, totaling approximately $250,000 in stock. Insider sales of this magnitude can pressure a stock downward, particularly if investors interpret it as a sign of reduced confidence in near-term prospects. 14-SEP-2026 04:02 PM ET