Help fill holes in Trunk lid

I should update: I do not have welding equipment, so I am looking for options that dont involve welds. I do have some Steel Stick epoxy. Can that work and be sanded/painted?
thanks for all your help you guys rock.

There’s only one right way to fix those holes. Everything else will bite you in the *** later. In the long run, you’re better off taking it somewhere and having it welded up. If the shop is just doing the welding and not any bodywork it shouldn’t be terribly expensive.

Your other option is to buy a welder. Even a cheap one that works on 110 will be fine. You will need a gas set up though, flux is not something you want to use to weld bodywork.

Just IMHO, don't use a non body repair specific material and end up with something in there that paint refuses to stick to.

Exactly