Wednesday’s insider activity: Berkshire adds to Lennar stake
Berkshire Hathaway increased its stake in Lennar (LEN) by $53.8M, buying shares at $79.98-$81.96. Other notable insider activity includes Conifer Management's $66.3M purchase of Group 1 Automotive (GPI) shares, and CEO Michael Hsing's $40.3M sale of Monolithic Power Systems (MPWR) stock. InvestingPro analysis suggests undervaluation for LEN, GPI, and others, while MPWR is deemed overvalued.