Not a filing, but Tesla placed a dot for a 2nd Frisco location as active, most likely to be at the HEB on Main St. TRT ID is 29244. Right now its pointing to a random neighborhood. Starting a thread for historical purposes since its likely to come down in the next few days.
https://www.tesla.com/findus/location/supercharger/29244
https://www.tesla.com/findus/location/supercharger/29244