My spheres arent shading properly when theyre in a world obj

I was hoping I might be able to get some help here regarding an odd issue im having.

When I ray trace a sphere on its own, the lighting looks fine, transformations and all. But when in a world setting, any sphere that has a transform on it appears shadowed. I know it must have something to do with the normals, but I cant figure it out. These are the two functions, the equivalents work fine for planes, but fall apart for spheres for some reason.

public Vector NormalAt(Point p)
{
Point localPoint = Transform.Inverse() * p;

Vector localNormal = LocalNormalAt(localPoint);

Vector worldNormal = Transform.Inverse().Transpose() * localNormal;
worldNormal.Normalize();

return worldNormal;
}

public override Vector LocalNormalAt(Point p)
{
Vector objNormal = p - Point.Origin();

return objNormal;
}