ProRes is not compatible in MP4, so you can't just do a stream copy (like a copy and paste). However, for those finding to this question, and who have compatible formats, and want to just change the container from MOV to MP4:
ProRes is not compatible in MP4, so you can't just do a stream copy (like a copy and paste). However, for those finding to this question, and who have compatible formats, and want to just change the container from MOV to MP4: