144 0001907916 XXXXXXXX LIVE 0001865631 NEXTNAV INC. 001-40985 1775 Tysons Blvd., 5th Floor McLean VA 22102 800-775-0982 Robert Lantz Officer Common Shareworks by Morgan Stanley

600 - 3 Avenue SW Suite 1500 Calgary AB A0 T2P 0G5

8776 37122.48 111189983 03/18/2024 NASDAQ Common 03/15/2024 Restricted Stock Units Issuer N 8776 03/15/2024 N/A N Robert Lantz

1775 TYSONS BLVD., 5TH FLOOR, MCLEAN VA 22102

Common Stock 02/01/2024 336 1397.76 Robert Lantz

1775 TYSONS BLVD., 5TH FLOOR, MCLEAN VA 22102

Common Stock 03/19/2024 2032 9652.42 03/19/2024 /s/ Christian Gates by power of attorney