X0206 3 2023-01-03 0 0001469443 Arcadia Biosciences, Inc. RKDA 0001960808 Schaefer Thomas J. C/O ARCADIA BIOSCIENCES 202 COUSTEAU PLACE, SUITE 105 DAVIS CA 95618 0 1 0 0 Chief Financial Officer Common Stock 2100 D Stock Option (Right to Buy) 3.67 2030-07-27 Common Stock 8000 D Stock Option (Right to Buy) 3.05 2031-01-21 Common Stock 4000 D Stock Option (Right to Buy) 2.09 2031-10-01 Common Stock 20000 D Stock Option (Right to Buy) 1.27 2032-04-11 Common Stock 23000 D Stock Option (Right to Buy) 1.27 2032-04-11 Common Stock 31000 D Stock Option (Right to Buy) 0.94 2032-08-16 Common Stock 23000 D The options were granted on 7/27/2020 and the vesting occurs as follows, subject to the Participant's continued service: (1) 25% of the shares vest on the first anniversary of the date of the award and (2) 75% of the shares vest in 36 equal installments, the first installment occurring on the last day of the month in which the initial vesting date occurs. The options were granted on 1/21/2021 and the vesting occurs as follows, subject to the Participant's continued service: (1) 25% of the shares vest on the first anniversary of the date of the award and (2) 75% of the shares vest in 36 equal installments, the first installment occurring on the last day of the month in which the initial vesting date occurs. The options will vest monthly in equal installments over a period of four years from the date of the grant, 10/1/2021, subject to the Participant's continued service. The options will vest annually in equal installments over a period of two years from the date of the grant, 4/11/2022, subject to the Participant's continued service. The options were granted on 4/11/2022 and the vesting occurs as follows, subject to the Participant's continued service: (1) 25% of the shares vest on the first anniversary of the date of the award and (2) 75% of the shares vest in 36 equal installments, the first installment occurring on the last day of the month in which the initial vesting date occurs. The options will vest annually in equal installments over a period of three years from the date of the grant, 8/16/2022, subject to the Participant's continued service. Thomas Schaefer, by Attorney-in-fact, Solaeta Chan 2023-01-05