$OGS SEC Filings

Filing Filed On
11-K 21 Jun 2024
11-K 22 Jun 2023
11-K 22 Jun 2022
11-K 21 Jun 2021
11-K 10 Jun 2020
11-K 20 Jun 2019
401(K) PLAN 11-K 15 Jun 2018
2017 401(K) PLAN 11-K 16 Jun 2017
OGS 2015 401(K) 15 Jun 2016
OGS 2014 401(K) 16 Jun 2015