Can't you simply move it over ?
Simple search, yes you can. You’re still required to stay within the contribution limits and meet other requirements for all your 401k accounts combined - and that’ll all be on you, the 401k providers won’t coordinate for you.
https://www.fool.com/knowledge-center/can-i-have-two-401k-plans-at-the-same-time.aspx
https://www.whitecoatinvestor.com/multiple-401k-rules/
https://budgeting.thenest.com/can-two-401k-plans-same-time-24237.html
https://humaninterest.com/blog/why-having-multiple-401k-plans-is-a-bad-idea/