Question about my sedum!

Is this natural for my sedum (sedum cauticola) to go from this:

to this?

Here is a more pretty before picture taken last June:

I think something is eating it? What should I do? :(

Close up of the nibbled “stalks”

Please pardon the weeds. I left my gardening gloves at my in-laws and haven’t been out weeding in some time.

I am in zones 5-6 (SE Michigan) I tagged but not sure what else to tag this post.

As always, thank you so much for your help and suggestions!