X0206 3 2016-01-19 0 0001631650 Aimmune Therapeutics, Inc. AIMT 0001664251 Barrowcliffe Susan E. C/O AIMMUNE THERAPEUTICS, INC. 8000 MARINA BOULEVARD, SUITE 300 BRISBANE CA 94005-1884 0 1 0 0 General Manager, Europe Stock Option (Right to Buy) 3.0221 2025-05-13 Common Stock 263400 D The option is immediately exercisable in full or in part. The underlying shares vest pursuant to the following schedule: Twenty Five Percent (25%) of the shares subject to the option vest on the first anniversary measured from May 1, 2015 (the "Vesting Commencement Date") and the remaining shares subject to the option vest in 36 successive, equal monthly installments thereafter on each monthly anniversary of the Vesting Commencement Date, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date. /s/ Warren L. DeSouza, as Attorney-in-Fact for Susan E. Barrowcliffe 2016-01-21