X0202 SCHEDULE 13G/A 0001341004-24-000104 0002024046 XXXXXXXX LIVE 2 Common Stock, par value $0.0001 per share 03/31/2026 0001865631 NextNav Inc. 65345N106 11911 Freedom Dr. Ste. 200 Reston VA 20190 Rule 13d-1(c) FIG Buyer GP LLC DE 0 22058944 0 22058944 22058944 N 15.3 OO FCOF V UST LLC DE 0 11678054 0 11678054 11678054 N 8.1 OO FCOF V CDG Investments LLC DE 0 15658944 0 15658944 15658944 N 10.9 OO FCO Fund V GP LLC DE 0 22058944 0 22058944 22058944 N 15.3 OO Fortress Credit Opportunities V Advisors LLC DE 0 22058944 0 22058944 22058944 N 15.3 OO Hybrid GP Holdings LLC DE 0 22058944 0 22058944 22058944 N 15.3 OO Hybrid GP Holdings (Cayman) LLC DE 0 22058944 0 22058944 22058944 N 15.3 OO FIG LLC DE 0 22058944 0 22058944 22058944 N 15.3 OO Fortress Operating Entity I LP DE 0 22058944 0 22058944 22058944 N 15.3 PN FIG Blue LLC DE 0 22058944 0 22058944 22058944 N 15.3 CO Fortress Investment Group LLC DE 0 22058944 0 22058944 22058944 N 15.3 OO FINCO I Intermediate Holdo LLC DE 0 22058944 0 22058944 22058944 N 15.3 OO FINCO I LLC DE 0 22058944 0 22058944 22058944 N 15.3 OO FIG Parent, LLC DE 0 22058944 0 22058944 22058944 N 15.3 OO Foundation Holdco LP DE 0 22058944 0 22058944 22058944 N 15.3 PN CF NNAV-E LLC DE 0 11678054 0 11678054 11678054 N 8.1 OO NextNav Inc. 11911 Freedom Drive, Suite 200, Reston, Virgina 20190 This Schedule 13G is being filed on behalf of the following persons (the "Reporting Persons") with respect to shares of Common Stock, par value $0.0001 per share (the "Common Stock") of NextNav Inc. (the "Issuer"): (i) CF NNAV-E LLC, a Delaware limited liability company ("CF NNAV-E"), directly holds shares of Common Stock (the "NNAV-E Shares"). (ii) FCOF V UST LLC, a Delaware limited liability company ("FCOF V UST"), is the holder of a majority of interests of CF NNAV-E and may therefore be deemed to beneficially own the NNAV-E Shares. (iii) FCOF V CDG Investments LLC, a Delaware limited liability company, is the holder of a majority of interests of FCOF V UST and, collectively with certain investment funds, holds a 100% interest in the majority member of CF NNAV-CNV LLC ("CF NNAV-CNV"), which directly holds $50 million aggregate principle amount of the Issuer's 5.00% Senior Secured Convertible Notes due 2028 (the "NNAV-CNV Notes") and may therefore be deemed to beneficially own the NNAV-E Shares and the shares underlying the NNAV-CNV Notes. (iv) FCO Fund V GP LLC, a Delaware limited liability company ("FCO Fund V GP") is the general partner of certain investment funds that own a majority of interests in CF NNAV-E and CF NNAV-P LLC, a Delaware limited liability company ("CF NNAV-P" and together with CF NNAV-E and CF NNAV-CNV, the "Holders"), that directly holds additional shares of Common Stock (the "NNAV-P Shares") and warrants exercisable for shares of Common Stock (the "NNAV-P Warrants"), and may therefore be deemed to beneficially own the NNAV-E Shares, the NNAV-P Shares, and the shares underlying the CF-NNAV-P Warrants (together with the shares underlying the NNAV-CNV Notes, the "Shares"). (v) Fortress Credit Opportunities V Advisors LLC, a Delaware limited liability company ("FCO V Advisors"), is the investment advisor of certain investment funds that own a majority of interests in the Holders and may therefore be deemed to beneficially own the Shares. (vi) FIG LLC, a Delaware limited liability company, is the holder of all of the issued and outstanding interests of FCO V Advisors and may therefore be deemed to beneficially own the Shares. (vii) Hybrid GP Holdings (Cayman) LLC, a Delaware limited liability company, is the holder of all of the issued and outstanding interests of FCO Fund V GP and may therefore be deemed to beneficially own the Shares. (viii) Hybrid GP Holdings LLC, a Delaware limited liability company, is the holder of all the issued and outstanding interests of Hybrid GP Holdings (Cayman) LLC and may therefore be deemed to beneficially own the Shares. (ix) Fortress Operating Entity I LP, a Delaware limited partnership, is the holder of all the issued and outstanding shares of FIG LLC and Hybrid GP Holdings LLC, and may therefore be deemed to beneficially own the Shares. (x) FIG Blue LLC, a Delaware corporation, is the general partner of Fortress Operating Entity I LP and may therefore be deemed to beneficially own the Shares. (xi) Fortress Investment Group LLC, a Delaware limited liability company, is the holder of all the issued and outstanding shares of FIG Corp. and may therefore be deemed to beneficially own the Shares. (xii) FINCO I Intermediate Holdco LLC, a Delaware limited liability company ("FINCO I IH"), is the sole member of Fortress Investment Group and may therefore be deemed to beneficially own the Shares. (xiii) FINCO I LLC, a Delaware limited liability company, is the sole member of FINCO I IH and may therefore be deemed to beneficially own the Shares. (xiv) FIG Parent, LLC, a Delaware limited liability company ("FIG Parent"), is the sole member of FINCO I LLC and may therefore be deemed to beneficially own the Shares. (xv) Foundation Holdco LP, a Delaware limited partnership ("Foundation Holdco"), is the sole member of FIG Parent and may therefore be deemed to beneficially own the Shares. (xvi) FIG Buyer GP, LLC, a Delaware limited liability company ("FIG Buyer"), is the general partner of Foundation Holdco and may therefore be deemed to beneficially own the Shares. The address of the principal business office of each of the Reporting Persons is: c/o Fortress Investment Group LLC, 1345 Avenue of the Americas, 46th Floor, New York, NY 10105. See Item 4 of each of the cover pages. Y See Item 9 of each cover page. The amounts reported herein assume the conversion of the NNAV-CNV Notes for an aggregate of 3,980,890 shares of Common Stock and the exercise of NNAV-P Warrants held by NNAV-P for an aggregate of 3,900,000 shares of Common Stock. The NNAV-CNV Notes are convertible at any time into shares of Common Stock at a conversion rate per $1,000 aggregate principle amount of $79.6178 per share. NNAV-P currently holds warrants exercisable for 3,900,000 shares of Common Stock at exercise prices ranging from $12.56 - $20.00 per share. See Item 11 of each cover page. The percentages set forth herein are based on 136,436,939 shares of Common Stock outstanding as of May 11, 2026, as reported by the Issuer in its Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on May 14, 2026, and assume the conversion of the NNAV-CNV Notes into 3,980,890 shares of Common Stock and the exercise of NNAV-P Warrants for 3,900,000 shares of Common Stock. See Item 5 of each of the cover pages. See Item 6 of each of the cover pages. See Item 7 of each of the cover pages. See Item 8 of each of the cover pages. 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. FIG Buyer GP LLC /s/ David N. Brooks 05/15/2026 FCOF V UST LLC /s/ David N. Brooks 05/15/2026 FCOF V CDG Investments LLC /s/ David N. Brooks 05/15/2026 FCO Fund V GP LLC /s/ David N. Brooks 05/15/2026 Fortress Credit Opportunities V Advisors LLC /s/ David N. Brooks 05/15/2026 Hybrid GP Holdings LLC /s/ David N. Brooks 05/15/2026 Hybrid GP Holdings (Cayman) LLC /s/ David N. Brooks 05/15/2026 FIG LLC /s/ David N. Brooks 05/15/2026 Fortress Operating Entity I LP /s/ David N. Brooks 05/15/2026 FIG Blue LLC /s/ David N. Brooks 05/15/2026 Fortress Investment Group LLC /s/ David N. Brooks 05/15/2026 FINCO I Intermediate Holdo LLC /s/ David N. Brooks 05/15/2026 FINCO I LLC /s/ David N. Brooks 05/15/2026 FIG Parent, LLC /s/ David N. Brooks 05/15/2026 Foundation Holdco LP /s/ David N. Brooks 05/15/2026 CF NNAV-E LLC /s/ David N. Brooks 05/15/2026