Mr Cooper Group Inc fka COOP

[newflow]

https://opencorporates.com/companies/us_de/3414483

https://bizfileonline.sos.ca.gov/search/business enter "WAMU 1031 EXCHANGE" and look at history. It was merged

WM Citation Holdings was merged into WAMU 1031 EXCHANGE as per 06/29 filing

But the shares were still issued and outstanding.

The filing was made to State Of California SOS.But read 2nd page, it was referring to section 18-209(c) Delaware Limited Liability Act

https://delcode.delaware.gov/title6/c018/sc02/index.html#18-209

(c) Except in the case of a merger under subsection (i) of this section, if a domestic limited liability company is merging or consolidating under this section, the domestic limited liability company or other business entity surviving or resulting in or from the merger or consolidation shall file a certificate of merger or consolidation executed by 1 or more authorized persons on behalf of the domestic limited liability company when it is the surviving or resulting entity in the office of the Secretary of State. The certificate of merger or consolidation shall state:

(1) The name, jurisdiction of formation or organization and type of entity of each of the domestic limited liability companies and other business entities which is to merge or consolidate;

(2) That an agreement of merger or consolidation has been approved and executed by each of the domestic limited liability companies and other business entities which is to merge or consolidate;

(3) The name of the surviving or resulting domestic limited liability company or other business entity;

(4) In the case of a merger in which a domestic limited liability company is the surviving entity, such amendments, if any, to the certificate of formation of the surviving domestic limited liability company to change its name, registered office or registered agent as are desired to be effected by the merger;

(5) The future effective date or time (which shall be a date or time certain) of the merger or consolidation if it is not to be effective upon the filing of the certificate of merger or consolidation;

(6) That the agreement of merger or consolidation is on file at a place of business of the surviving or resulting domestic limited liability company or other business entity, and shall state the address thereof;

(7) That a copy of the agreement of merger or consolidation will be furnished by the surviving or resulting domestic limited liability company or other business entity, on request and without cost, to any member of any domestic limited liability company or any person holding an interest in any other business entity which is to merge or consolidate; and

(8) If the surviving or resulting entity is not a domestic limited liability company, or a corporation, partnership (whether general (including a limited liability partnership) or limited (including a limited liability limited partnership)) or statutory trust organized under the laws of the State of Delaware, a statement that such surviving or resulting other business entity agrees that it may be served with process in the State of Delaware in any action, suit or proceeding for the enforcement of any obligation of any domestic limited liability company which is to merge or consolidate, irrevocably appointing the Secretary of State as its agent to accept service of process in any such action, suit or proceeding and specifying the address to which a copy of such process shall be mailed to it by the Secretary of State. Process may be served upon the Secretary of State under this subsection by means of electronic transmission but only as prescribed by the Secretary of State. The Secretary of State is authorized to issue such rules and regulations with respect to such service as the Secretary of State deems necessary or appropriate. In the event of service hereunder upon the Secretary of State, the procedures set forth in § 18-911(c) of this title shall be applicable, except that the plaintiff in any such action, suit or proceeding shall furnish the Secretary of State with the address specified in the certificate of merger or consolidation provided for in this section and any other address which the plaintiff may elect to furnish, together with copies of such process as required by the Secretary of State, and the Secretary of State shall notify such surviving or resulting other business entity at all such addresses furnished by the plaintiff in accordance with the procedures set forth in § 18-911(c) of this title.

https://opencorporates.com/companies/us_de/6458276 is active in DE.