Yes. It won't be stock though, it will be a gift of cash which he can buy stock with. You will need to provide the brokerage with all his details, risk profiles etc. as he, presumably, will be the prime account holder
yes, but read up on IRS form 709 first.
My son is 32 years old and I would like to open up a brokerage account for him with a stock purchase. Is something like this possible? Thank you.