X0306 4 2018-06-05 0 0001574235 Pulmatrix, Inc. PULM 0001645110 Hava David L. C/O PULMATRIX, INC., 99 HAYDEN AVE LEXINGTON MA 02421 0 1 0 0 Chief Scientific Officer Stock Option (Right to Buy) 0.468 2018-06-05 4 A 0 795000 0.00 A 2028-06-05 Common Stock 795000 795000 D The option vested as to 25% on June 5, 2018 and the remaining 75% vests in thirty-six (36) equal monthly installments with 2.083% vesting on the last day of each of the next thirty-six (36) months that follow June 5, 2018, provided that the reporting person is providing services to the Issuer on the applicable vesting date and subject to the terms and conditions of the Pulmatrix, Inc. Amended and Restated 2013 Employee, Director and Consultant Equity Incentive Plan. /s/ David Hava 2018-06-06