Glad that I am not the only one that this happens to.
buy a pasco moen cartridge tool and learn to use it simple simple simple
I usually grab the stem with vice grips and pry between the grips and the valve body with a screw driver. I never had one that didnt come out this way. I have trashed a few cartridge tools and would not buy another.
I broke the cartridge removal tool as well as some others.
I have 2 different Moen stem pullers, and every other trick up my sleeve.
9 times out of 10 they pull right out for me.