X0306 4 2016-08-18 0 0001469443 Arcadia Biosciences, Inc. RKDA 0001640962 Salameh Roger C/O ARCADIA BIOSCIENCES, INC. 202 COUSTEAU PLACE, SUITE 105 DAVIS CA 95618 0 1 0 0 Chief Operating Officer Stock Option (right to buy) 2.14 2016-08-18 4 A 0 75000 0.00 A 2017-08-18 2026-08-17 Common Stock 75000 75000 D The option vests as to 25% of the award on the first anniversary of the date of the award (or August 18, 2017) and the remaining 75% of the award vests in 36 equal installments beginning August 31, 2017 and continuing on the last day of each of the next 35 consecutive months, with the last vesting to occur on July 31, 2020. Roger Salameh by Attorney-in-Fact, Wendy Neal 2016-08-22