I'm no expert here but if there's one thing I have learned from reading other people's opinions on regaining hair through treatments or a hair transplant, and what I consider the general ethos of the idea, pacing yourself is the key idea.
So what I'm saying is, and I don't know if your hair transplant is recent, but if you can get by with what you have now (and if it's enough to not be considered "bald", which is the main identity changer we all want to escape) maybe hold off and see how things go, for some reason I think you're about mid 20's or maybe younger, give it some time to pack the density.
You don't want to use up all of your options and be left with a poor donor area in case things head south, and in your early 30's you end up with nothing but treatments as a solution.
But yeah, once you get some hair you just want more. I've had some good results from treatments, my previously almost "island" fringe has improved and spread towards my temples, but the last 2 months there's not much happening and the density hasn't really improved at all since I started on finasteride a year ago. Gaining some noticeable hair and then seeing the process slow down, it makes me want to do something drastic, but I'll give it another 6 months at least, and also hope that I at least maintain what I have, and then make a decision when it comes to density.
I know a hair transplant is inevitable and I've taken this into consideration monetarily, I'm 29 now and want to hold off as much as possible for when it comes to it. But to each their own.