$Seatrium Ltd (5E2.SG)$ what happens to short sellers when s...

$Seatrium Ltd (5E2.SG)$ what happens to short sellers when seatrium has priority of shares buyback over retail and they are not able to exit at their covered price?  what if seatrium decides to do big buybacks as we are nearing the year end and they still have a big amount of cash balance dedicated.