FORM ▼ -2.7% - FormFactor, Inc. $FORM 4P RSG - REPUBLIC SERVICES, INC.*|10% OWNER: CASCADE INVESTMENT, L.L.C.P | 720,804 | $221.41 | $159,593,041 FormFactor shares fell 2.7% today following a Form 4 filing disclosing that Cascade Investment, L.L.C., a 10% owner, sold 720,804 shares at $221.41 per share, representing approximately $159.6 million in stock sales. The substantial insider selling pressure likely contributed to the stock's decline. 10-SEP-2026 04:20 PM ET