X0306 4 2017-06-07 0 0000067279 MOCON INC MOCO 0001239192 DEMOREST ROBERT L C/O MOCON, INC. 7500 MENDELSSOHN AVENUE N. MINNEAPOLIS MN 55428 1 1 0 0 Chairman, President and CEO Common Stock 2017-06-07 4 M 0 7716 12.96 A 229883 D Common Stock 2017-06-07 4 M 0 6250 16 A 236133 D Common Stock 2017-06-07 4 M 0 6944 14.3999 A 243077 D Common Stock 2017-06-07 4 M 0 6305 15.86 A 249382 D Common Stock 2017-06-07 4 M 0 5747 17.4 A 255129 D Common Stock 2017-06-07 4 M 0 5000 13.26 A 260129 D Common Stock 2017-06-07 4 M 0 2343 14.38 A 262472 D Common Stock 2017-06-07 4 F 0 19999 30 D 242473 D Incentive Employee Stock Option (right to buy) 12.96 2017-06-07 4 M 0 7716 12.96 D 2017-12-30 Common Stock 7716 0 D Incentive Employee Stock Option (right to buy) 16 2017-06-07 4 M 0 6250 16 D 2018-12-29 Common Stock 6250 0 D Incentive Employee Stock Option (right to buy) 14.3999 2017-06-07 4 M 0 6944 14.3999 D 2019-12-30 Common Stock 6944 0 D Incentive Employee Stock Option (right to buy) 15.86 2017-06-07 4 M 0 6305 15.86 D 2020-12-30 Common Stock 6305 0 D Incentive Employee Stock Option (right to buy) 17.4 2017-06-07 4 M 0 5747 17.4 D 2021-12-21 Common Stock 5747 0 D Incentive Employee Stock Option (right to buy) 13.26 2017-06-07 4 M 0 5000 13.26 D 2022-08-31 Common Stock 5000 0 D Incentive Employee Stock Option (right to buy) 14.38 2017-06-07 4 M 0 2343 14.38 D 2022-12-29 Common Stock 2343 0 D This option has fully vested. /s/ Elissa Lindsoe, attorney-in-fact 2017-06-08