It is not a Mr Cooper Group "event" thing, it's an Institutional Holder's 'end of year' "event" thing. They are required to disclose their holdings. You should know this.
Schedule 13G - "Institutional Investors must file within 45 days of the end of the year in which they finish above 5%, or within 10 days of first finishing a month above 10% if the initial filing has not yet been completed".
~ John, We Are Still Missing At Least ONE' More ~
According to the SEC site, Historically, going back to our reorganization in 2012' ... WE', ... Are still missing at least One More Filer, maybe more, But At Least ONE More' ... associated to the *Mr Cooper "Event" that has obviously happened back on 12/31/2019 ...
... the 45 day Filer time limit from the 12/31/2019 "Event" will be ending ...
ADDED; as an investor myself, other than KKR's "A" conversion and ALL of the large percentage owners, filing simultaneously regarding an Event, "as of 12/31/2019" ... I'm finding it "Colorable" that I can not specifically find any direct information regarding a *Mr Cooper Group "Event" that occurred on 12/31/2019 ... but something HAS Obviously Happened' ... driving these filings' ...
... I have already posted my own opinions' on what is coming ... the *Mr Cooper Group is taking over as the parent corporation' ... a new shelf registration and structured dividend releases are coming, along with a share allocation adjusment, fixing the company's injected dilution ... oldco & newco