Robert Bertolini, Director at Charles River Labs, holds 29.13K shares in Charles River Labs (Ticker: CRL), holds 11.40K shares in Bristol Myers (Ticker: BMY), holds 0.00 shares in Merck & Company (Ticker: MRK). Most recently, Robert Bertolini Sold ― shares of Charles River Labs on May 21, 2020 for an estimated value of 616.23K.