$OPGN SEC Filings

Filing Filed On
PRE 14A 16 Apr 2024
PRELIMINARY 14A 21 Jul 2023
PRELIMINARY 14A 11 May 2023
PRELIMINARY 14A 06 Oct 2022
PRELIMINARY 14A 15 Apr 2022
PRELIMINARY 14A 19 Oct 2021
PRE 14A 15 Apr 2021
PRELIMINARY 14A 02 Jul 2019
PRELIMINARY 14A 08 Dec 2017