$ATEN SEC Filings

Filing Filed On
DEFA14A 27 Mar 2024
DEFA14A 30 Mar 2023
DEFA14A 15 Mar 2023
DEFA14A 11 May 2022
DEFA14A 17 Mar 2021
DEFA14A 15 Apr 2020
8-K 21 Nov 2019
DEFA14A 23 Oct 2019
DEFA14A 26 Sep 2018
DEFINITIVE ADDITIONAL MATERIALS 14 Apr 2017
DEFINITIVE ADDITIONAL MATERIALS 15 Apr 2016
DEFINITIVE ADDITIONAL MATERIALS 27 Apr 2015