Welcome to HCM!
This seems more or less like IBS
This is not abnormal thing. Few people have this frequency of passing stools.
After meals, its Gastrocolic reflex which is strong in your case.
Dont worry, you have to train you bowels & not to evacuate each time
you feel like, but to evacuate at fixed times in a day, may be once in
morning & then in night.
See your doctor for physical examination once.
Wish you a healthy life.