The USDA lists Pumpkin Seeds as follows:

Seeds, pumpkin and squash seed kernels, roasted, without salt
Nutrient Units 1 oz
-------
28.35 g
Proximates
Water g 2.013
Energy kcal 147.987
Energy kj 619.164
Protein g 9.347
Total lipid (fat) g 11.944
Ash g 1.239
Carbohydrate, by difference g 3.807
Fiber, total dietary g 1.106
Sugars, total g 0.284

So, where do the carbs go, just because you grind them into butter?