As per SEC Mr. Cooper Group Inc. CIK#: 0000933136 (see all company filings) SIC: 6199 - FINANCE SERVICES State location: TX | State of Inc.: DE | Fiscal Year End: 1231 formerly: WASHINGTON MUTUAL INC (filings through 2006-10-12) formerly: WASHINGTON MUTUAL, INC (filings through 2012-03-20) formerly: WMI HOLDINGS CORP. (filings through 2015-05-08) formerly: WMIH CORP. (filings through 2018-09-14)