Lost all oil and oil pressure while driving (Need help diagnosing)

did you accidentally double gasket the filter? ie slap the new filter on with the old filter seal still in place?

the sending unit has no effect on oil pressure-- it's only a "switch" that reads the pressure and transmits to your gauge. leaking 5 quarts from there would be quite a feat.

i'd suspect else where... either like at the filter like i suggested above or possibly you lost a galley plug out the back of the block.

what's the connection at the block for the filter? 90* or the flat plate?
I thought about the double gasket, but I've been driving the car for 2 weeks, would it take that long for a double gasket to blow? I will confirm this when I install a new filter tomorrow.

"or possibly you lost a galley plug out the back of the block.

what's the connection at the block for the filter? 90* or the flat plate?"

I would love to answer this question but I honestly have no idea what that means.

The car still holds oil fine, it's just when I crank it it starts spraying again. I can take a picture of the back of the block