MARIAM SOROND plan to sell securities of NextNav Inc. under Form 144

MARIAM SOROND filed Form 144 to notify SEC of plan to sell 69853 units of NextNav Inc. securities around 2026-06-01, with aggregate market value of $1,440,368.86. The total outstanding units is 136436939.0. The amount planned to be sold represents 0.05% of total outstanding units; Recent transactions in past 3 months include: On 03/17/2026, sold 11322 units for $190794.95; On 03/03/2026, sold 69853 units for $1181298.05;