is it worth reporting??

I understand, as so many of us do on this thread. First, I'm glad you're connected to a therapist and particularly going through emdr. I completed my emdr a few years ago and still am in awe at how effective it's been. In my personal experience, when I feel uncertain about taking a next step that I know will bring more stress, I like to give myself permission to focus on just one day at a time. In your case, you have a LOT on your recovery plate right now, and perhaps focusing on therapy/emdr for now is your best option. Later, when you've got your feet steady on the ground (so to speak) and good support around you, there will time to revisit the question about reporting.

Years ago, I was in a group therapy for adults molested as kids, and one of the assignments was to fill out a standard police report. The act of doing that in itself was so triggering for me, and at the same time validating. Our therapists made sure we understood the assignment was one step, not that we had to follow through with law enforcement unless we felt ready.

I wish you well, and sending light and strength for your journey.