mrgold10answered grow question 4 years ago Super normal. There is even a school of thought out there that argue that Autoflowers don't actually have a real Veg period - only preflower and flower.
Regardless of when the pistils start to form, I tend to keep feeding them Veg nutes until Week 5 before swapping over to Flower nutes.
I reckon your plants are looking great.
Best of luck.