Well they are safe for chams HOWEVER. If it is wild, there always is that risk of bacteria, pesticides, any chemicals sprayed etc. you dont know where it has been.
Id change a couple things, mealworms, refrain from them they have a harder exo skeleton to digest in the chams tummy, try superworms. Also no calcium w/d3 and multivitamins?
Could be stress, could also be hes basking. Trying to absorb heat. In my opinion i think ur basking branch is too close to the heat bulb, lower it. What watt heat bulb are you using?
So I know this is early to sex them, BUT I was looking closely at one of my hatchlings he/she just hatched the other day. And I see what looks to be the infamous ‘bump’ at the base of the tail.