X0202 SCHEDULE 13G/A 0001264542 XXXXXXXX LIVE 6 Common Stock, $0.0001 par value 06/30/2026 0001865631 NextNav Inc. 65345N106 11911 Freedom Dr., Ste. 200 Reston VA 20190 Rule 13d-1(c) Joseph D. Samberg b X1 0.00 13110000.00 0.00 13110000.00 13110000.00 N 7.77 IN The percentage in Row 11 is based upon 168,809,910 shares of Common Stock outstanding as of August 7, 2026 as reported on the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 11, 2026 (the "Form 10-Q"). The Joseph D. Samberg Revocable Trust b NY 0.00 10500000.00 0.00 10500000.00 10500000.00 N 6.22 OO The percentage in Row 11 is based upon 168,809,910 shares of Common Stock outstanding as of August 7, 2026 as reported on the Issuer's Form 10-Q. NextNav Inc. 11911 Freedom Dr., Ste. 200, Reston, VA 20190 The names of the persons filing this report (each a "Reporting Person", collectively, the "Reporting Persons") are (1) Joseph D. Samberg ("Mr. Samberg"); and (2) The Joseph D. Samberg Revocable Trust (the "Revocable Trust"). The Reporting Persons are filing this Amendment No. 6 to this Schedule 13G pursuant to Rule 13d-2(b). 1091 Boston Post Road, Rye, New York 10580 See Row 4 of cover page for each Reporting Person Y See Row 9 of cover page for each Reporting Person. Mr. Samberg does not directly hold any shares of Common Stock. The Revocable Trust, of which Mr. Samberg serves as trustee, directly holds 10,500,000 shares of Common Stock and entities that could be deemed to be controlled by Mr. Samberg (the "Entities") directly hold 2,610,000 shares of Common Stock. Mr. Samberg may be deemed to beneficially own the securities directly held by the Revocable Trust and the Entities. The filing of this statement should not be construed as an admission that any of the Reporting Persons is, for the purposes of Sections 13 of the Securities Exchange Act of 1934, the beneficial owner of the securities reported herein. See Row 11 of cover page for each Reporting Person and the Comments thereto. See Row 5 of cover page for each Reporting Person and the Comments thereto. See Row 6 of cover page for each Reporting Person and the Comments thereto. See Row 7 of cover page for each Reporting Person and the Comments thereto. See Row 8 of cover page for each Reporting Person and the Comments thereto. Y Y Y 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. Joseph D. Samberg /s/ Joseph D. Samberg 08/13/2026 The Joseph D. Samberg Revocable Trust /s/ Joseph D. Samberg 08/13/2026