X0306 4 2016-10-03 0001673985 AdvanSix Inc. ASIX 0001684180 Bellamy Jonathan 115 TABOR ROAD MORRIS PLAINS NJ 07950 true SVP & Chief HR Officer Common Stock, par value $0.01 2016-10-03 4 A 0 56369 0 A 56369 D Grant of restricted stock units pursuant to the 2016 Stock Incentive Plan of AdvanSix Inc. and its Affiliates, which will vest in full on October 3, 2019. /s/ John M. Quitmeyer for Jonathan Bellamy 2016-10-03