surprise. technically an estate never closes rather you have made a final distribution of known trust assets.
see this thread. there are other similar threads
https://www.survivedby.net/how-to-close-out-an-estate/#:~:text=An%20estate%20is%20never%20really%20c...
one could argue that the 1041 is due 9/15 which is the 15th day of the 4th month after the month (May) in which a final distribution took place
or
one could argue that the 1041 is due 11/15 which is the 15 day of the 4th month after the month (July) in which the bank account was closed
see what others say
if it is concluded that the year ended early you would need to use 2021 forms with a fiscal date 1/1/2022 to xx/xx/2022
