Prepare your popcorn and place in a large bowl.
Preheat oven to 250 degrees and line a large rimmed baking sheet with parchment paper.
On the stovetop in a small saucepan, combine your coconut oil, maple syrup, pumpkin puree, sugar and molasses. Bring to a boil stirring constantly for 3 minutes.
Remove from heat and quickly add, pumpkin pie spice, salt, vanilla and baking soda. Stir well. Pour mixture over popcorn and mix really well.
Place on your prepared baking sheet. Bake for 30 minutes, stirring after 15 minutes.
Cool on wire rack. Store in airtight container.