X0202 SCHEDULE 13G 0001509842 XXXXXXXX LIVE Common Stock, par value $0.0001 per share 05/15/2026 0001865631 NEXTNAV INC. 65345N106 11911 Freedom Dr. Ste. 200 Reston VA 20190 Rule 13d-1(c) PointState Capital LP DE 0 7733983 0 7733983 7733983 N 5.7 IA PN SteelMill Master Fund LP E9 0 7733983 0 7733983 7733983 N 5.7 PN PointState Holdings LLC DE 0 7733983 0 7733983 7733983 N 5.7 OO PointState Capital GP LLC DE 0 7733983 0 7733983 7733983 N 5.7 OO Zachary J. Schreiber X1 0 7733983 0 7733983 7733983 N 5.7 IN NEXTNAV INC. 11911 Freedom Dr., Ste. 200, Reston, Virginia, 20190 This statement is filed by: (i) SteelMill Master Fund LP, a Cayman Islands exempted limited partnership ("SteelMill"); (ii) PointState Holdings LLC, a Delaware limited liability company ("PointState Holdings"), which serves as the general partner of SteelMill; (iii) PointState Capital LP, a Delaware limited partnership ("PointState"), which serves as the investment manager to SteelMill; (iv) PointState Capital GP LLC, a Delaware limited liability Company ("PointState GP"), which serves as the general partner of PointState; and (v) Zachary J. Schreiber ("Mr. Schreiber"), an individual, who serves as managing member of PointState Holdings and PointState GP. SteelMill, PointState Holdings, PointState, PointState GP and Mr. Schreiber are hereinafter sometimes collectively referred to as the "Reporting Persons." Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party. The Reporting Persons are filing this statement jointly with respect to the same securities as contemplated by Rule 13d-1(k)(1), not as members of a group. The address of the business office of each of the Reporting Persons is care of PointState Capital LP, 9 West 57th Street, 37th Floor, New York, NY 10019. SteelMill is organized under the laws of the Cayman Islands. PointState Holdings, PointState and PointState GP are organized under the laws of the State of Delaware. Mr. Schreiber is a citizen of the United States of America. Y The information in Items 5 through 9 and Item 11 on the cover pages to this Schedule 13G is hereby incorporated by reference. The applicable information on the cover pages to this Schedule 13G is hereby incorporated by reference. The applicable information on the cover pages to this Schedule 13G is hereby incorporated by reference. The applicable information on the cover pages to this Schedule 13G is hereby incorporated by reference. The applicable information on the cover pages to this Schedule 13G is hereby incorporated by reference. The applicable information on the cover pages to this Schedule 13G is hereby incorporated by reference. Y Y N The information in Items 2 is hereby incorporated by reference. Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Exhibit 99.1 - Joint Filing Agreement PointState Capital LP /s/ Zachary J. Schreiber 05/21/2026 SteelMill Master Fund LP /s/ Zachary J. Schreiber 05/21/2026 PointState Holdings LLC /s/ Zachary J. Schreiber 05/21/2026 PointState Capital GP LLC /s/ Zachary J. Schreiber 05/21/2026 Zachary J. Schreiber /s/ Zachary J. Schreiber 05/21/2026