As of August 1st, we are now in a new cycle of the transfer portal and it appears there is the first Mountain West transfer in the Mountain West Conference for the 2021-2022 cycle, which will be completed in May.
Per Max Olson of The Athletic, here are the total from the previous cycle:
This post will probably be updated no more than weekly during the season and less so if transfer news is slow. Once December comes and transfer season explodes, expect updates more often.
See below for the latest movement going on around the conference.