27 results
S-1/A
EX-21.1
GX Geoscience Corporation, S. de R.L. de C.V.
IPO registration (amended)
3 Mar 21
12:00am
10-K
2020 FY
EX-21.1
IOGPQ
Ion Geophysical Corp
Annual report
12 Feb 21
12:00am
10-K
2019 FY
EX-21.1
IOGPQ
Ion Geophysical Corp
Annual report
6 Feb 20
3:25pm
10-K
2018 FY
EX-21.1
IOGPQ
Ion Geophysical Corp
Annual report
7 Feb 19
4:54pm
10-K
2017 FY
EX-21.1
IOGPQ
Ion Geophysical Corp
Annual report
8 Feb 18
12:00am