David,
Here is a workflow with Screengrabs and instructions on REDUSER of how to do what you asked , since I think screengrabs are looked down upon here, the link is below.
https://www.reduser.net/forum/everything-else/off-topic/3791062-arri-4k-super-35-camera-will-be-launched-next-month?p=3826306#post3826306
Here's the Lut I made in Resolve with Ravengrade and the final ALF-4 look file. I just pulled the grade out of my A** as a sample look so....
https://sendgb.com/QqZFRsiWm89