Friday, November 6, 2026: insiders filed 42 open-market purchases and 455 sales

The S&P 500 (SPY) closed at 735.29, +0.31% on the day.

• Insiders of US-listed companies filed 42 open-market purchases (about $82.8M) at 24 companies and 455 open-market sales (about $932M) at 131 companies; see every filing of the day.
• The largest open-market purchase filed: BAKER BROS. ADVISORS LP (Director) at Madrigal Pharmaceuticals (MDGL), about $23.1M (SEC Form 4).
• The largest open-market sale filed: PLATINUM EQUITY, LLC (10% owner) at Ingram Micro Holding (INGM), about $326M (SEC Form 4).
• 117 fund and investor stake filings were recorded, led by Tang Heng disclosed a 9.4% stake in NIPG and may seek to influence the company (SEC filing).