X0609 4 2026-03-19 0 0001865631 NEXTNAV INC. NN 0001629762 Gray Timothy false 11911 FREEDOM DRIVE SUITE 200 RESTON VA 20190 0 1 0 0 Chief Financial Officer 0 Common Stock 2026-03-19 4 A 0 3372 0 A 92163 D Common Stock 2026-03-19 4 A 0 41028 0 A 133191 D Common Stock 2026-03-20 4 S 0 1405 18.11 D 131786 D Stock Option (Right to Buy) 20.39 2026-03-19 4 A 0 60342 0 A 2036-03-19 Common Stock 60342 60342 D Represents a bonus grant of restricted stock units ("RSUs"); 100% of the Bonus RSUs vested on March 19, 2026 (the grant date) (the "Bonus RSUs"). Represents a grant of RSUs that will vest over a four-year period. Subject to the Reporting Person's continued service through each of the applicable vesting dates, 1/4 of the RSUs shall vest on the one-year anniversary of March 19, 2026, and 1/16 of the RSUs shall vest quarterly in substantially equal installments thereafter. The proceeds of this sale are intended to be used to satisfy tax withholding obligations in connection with the vesting of the Bonus RSUs. Represents a grant of stock options (the "Options"). Subject to the Reporting Person's continued service through each of the applicable vesting dates, twenty five percent (25%) of the Options shall vest on the one-year anniversary of March 19, 2026, and the remaining portion shall vest in equal quarterly installments over the subsequent three years. /s/ James Black, by power of attorney 2026-03-23