X0306 4 2020-10-05 false 0001604643 Evoqua Water Technologies Corp. AQUA 0001720156 Grieco Vincent 210 SIXTH AVENUE SUITE 3300 PITTSBURGH PA 15222 false true false false EVP, GC & Secretary Common Stock 2020-10-05 4 M false 13319 4.64 A 63312 D Common Stock 2020-10-05 4 S false 13319 22.75 D 49993 D Common Stock 2020-10-06 4 M false 2700 4.64 A 52693 D Common Stock 2020-10-06 4 S false 2700 23.25 D 49993 D Common Stock 2020-10-07 4 M false 10619 4.64 A 60612 D Common Stock 2020-10-07 4 S false 10619 23.25 D 49993 D Stock Option (Right to Buy) 4.64 2020-10-05 4 M false 13319 0 D 2025-01-19 Common Stock 13319 53277 D Stock Option (Right to Buy) 4.64 2020-10-06 4 M false 2700 0 D 2025-01-19 Common Stock 2700 50577 D Stock Option (Right to Buy) 4.64 2020-10-07 4 M false 10619 0 D 2025-01-19 Common Stock 10619 39958 D The amount of these securities shown in column 5 of this table includes 15,250 unvested restricted stock units in respect of the issuer's common stock. These restricted stock units are scheduled to vest as described in the Form 4 filed by Mr. Grieco on February 19, 2020. This transaction was effected pursuant to a 10b5-1 trading plan adopted by Mr. Grieco on August 28, 2020. This option is fully vested. /s/ John DiMascio, Attorney-in-Fact for Vincent Grieco 2020-10-07