Sharp Convex & Concave Edges on a Curve



I’m trying to hold a couple of sharp convex & concave corners with some support spans in a SubD model. I’m trying to keep the curvature of the shape in X, but the sharpness in Z. After I get the topology correct, this panel will be extruded. Can you please advise me on how to achieve this?

I’ve tried a few things using Shrink Wrap…

I’ve also tried a SubD weight tag. Nothing has worked though…lots of pinching! Here’s my scene file if that’s easier:
Panel (2.1 KB)

Thank you!