X0508 4 2025-11-18 0 0001865631 NEXTNAV INC. NN 0002060247 Insley Susan Brasse 11911 FREEDOM DR. STE. 200 RESTON VA 20190 0 1 0 0 Chief Operating Officer 1 Common Stock 2025-11-18 4 S 0 12189 12.78 D 131251 D This sale was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on August 19, 2025 and the proceeds are intended to be used to satisfy tax withholding obligations in connection with the vesting of the underlying equity awards. /s/ James Black, by power of attorney 2025-11-19