I really am not sure. looks like new symbols tomorrow, There was a time I considered myself an expert of spinoffs and divvies and really made a lot of money on confusion and people not understanding the difference between Record date "date of record" and "Ex date".
BUT this one is all murky with this INPXV starting to trade Friday with OUT the due bills attached.
Normally the ex date is the first date the stock trades without the divviy or spin off. in that first paragraph is says Ex date Mar 16 so you have to own on close March 15th. I may have a better answer in the morning or monday when I see INPXV and CXAIV trading and what happens to my INPX shares - Ie do I get INPXV and keep my INPX. so I would rather not make a comment as I do not know