Here is the full list of all 13 Rebel Transmute achievements.
Set a marker in your map
Use the subway for the first time
Collect the swim perk
Take the elevator
Recover a Health Core
Find your first Brain Imprint
Talk with Scavenger Clang
Find Dr. Inaya
Find Space Urchin
Drop a Health Core
Get the Blood Extractor augment
Defeat a sparkblood creature
Find your mother