transocean stock has been on a tear to the point where many investors would think about taking some money off the table but chairman chad deaton just bought more shares of the offshoredrilling company on the open market transocean stock ticker rig soared 65 in 2022 compared with a 19 drop in the sp 500 index so far in 2023 shares are up 46 while the index has eked out a gain of about 1