Knowledge Marine & Engineering Works Ltd has announced a change in shareholding of promoters, with 4,60,000 shares sold by Kanak Sujay Kewalramani, 1,15,000 shares sold by Saurabh Mukesh Daswani, 10,000 shares sold by Dinesh Kewalramani, and 1,15,000 shares sold by Pinkesh Kewalramani.