Thursday, September 3, 2026: insiders filed 42 open-market purchases and 337 sales

The S&P 500 (SPY) closed at 773.17, +1.05% on the day.

• Insiders of US-listed companies filed 42 open-market purchases (about $128M) at 19 companies and 337 open-market sales (about $217M) at 85 companies; see every filing of the day.
• The largest open-market purchase filed: CASCADE INVESTMENT, L.L.C. (10% owner) at Republic Services (RSG), about $32.3M (SEC Form 4).
• The largest open-market sale filed: STIRITZ WILLIAM P (Insider) at Post Holdings (POST), about $23.4M (SEC Form 4).
• 1 stock-trade reports from members of Congress were disclosed; the largest range: Rep. Jonathan Jackson (IL01) disclosed a partial sale of VSAT, reported range $1,001 - $15,000 (official disclosure).
• 1 fund and investor stake filings were recorded, led by JPMORGAN CHASE & CO. cut its CIEN stake below 5% (3.9%) (SEC filing).
• 1 lobbying reports were posted with an amount; the largest: COSTAR GROUP reported $60K in lobbying for Q2 2026 through POLARIS GOVERNMENT RELATIONS, LLC (lda.gov filing).