ION GEOPHYSICAL CORP SEC EDGAR Filings (CIK 0000866609)

SEC EDGAR filings, ownership reports, and insider transactions for ION GEOPHYSICAL CORP.

Industry
Oil & Gas Field Exploration Services (Office Of Energy & Transportation)
Business address
4203 Yoakum Blvd, Suite 100, Houston, TX, 77006
State of incorporation
DE
Fiscal year end
31 December
Former names
INPUT OUTPUT INC (to 05 Sep 2007)
⭐ Add to watchlist ⭐
Get insider transactions for this issuer
ION GEOPHYSICAL CORP has filed 1,582 SEC EDGAR filings since 14 Feb 1994

Latest Filings

Recent SEC filings for ION GEOPHYSICAL CORP including REVOKED, 4, 8-K and more.

Form type Document Filing Description Filing date Reporting date File number(s)
REVOKED Open REVOKED document View SEC filing for REVOKED 14 Nov 2023 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 29 Jul 2022 27 Jul 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 22 Jul 2022 18 Jul 2022 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 12 Jul 2022 08 Jul 2022
4 Open 4 document View SEC filing for 4 FORM 4 12 Jul 2022 08 Jul 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 08 Jul 2022 01 Jul 2022 001-12691
25-NSE Open 25-NSE document View SEC filing for 25-NSE 03 Jun 2022 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 19 May 2022 18 May 2022 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 13 May 2022 11 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 13 May 2022 11 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 13 May 2022 11 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 13 May 2022 11 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 13 May 2022 11 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 13 May 2022 11 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 13 May 2022 11 May 2022
RW Open RW document View SEC filing for RW FORM RW 12 May 2022 333-257757
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A ION GEOPHYSICAL CORPORATION 05 May 2022 005-41602
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 22 Apr 2022 18 Apr 2022 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 13 Apr 2022 10 Apr 2022 001-12691
3 Open 3 document View SEC filing for 3 BATE FORM 3 08 Apr 2022 29 Mar 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 05 Apr 2022 04 Apr 2022 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 01 Apr 2022 29 Mar 2022 001-12691
NT 10-K Open NT 10-K document View SEC filing for NT 10-K FORM NT 10-K 01 Apr 2022 31 Dec 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 09 Mar 2022 08 Mar 2022 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 08 Mar 2022 05 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2022 01 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2022 01 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2022 01 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2022 01 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2022 01 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2022 01 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2022 01 Mar 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 15 Feb 2022 11 Feb 2022 001-12691
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2022 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Feb 2022 005-41602
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 04 Feb 2022 31 Jan 2022 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 18 Jan 2022 14 Jan 2022 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ION GEOPHYSICAL CORP 13 Jan 2022 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SABBY 13G-A IO 1.03.22 04 Jan 2022 005-41602
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 23 Dec 2021 20 Dec 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 17 Dec 2021 16 Dec 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 16 Dec 2021 16 Dec 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 13 Dec 2021 09 Dec 2021 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2021 01 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2021 01 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2021 01 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2021 01 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2021 01 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2021 01 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2021 01 Dec 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 03 Nov 2021 30 Sep 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 03 Nov 2021 03 Nov 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 18 Oct 2021 18 Oct 2021 001-12691
4 Open 4 document View SEC filing for 4 23 Sep 2021 21 Sep 2021
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A ION GEOPHYSICAL CORPORATION 23 Sep 2021 005-41602
4 Open 4 document View SEC filing for 4 20 Sep 2021 16 Sep 2021
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A ION GEOPHYSICAL CORPORATION 20 Sep 2021 005-41602
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Sep 2021 01 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Sep 2021 01 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Sep 2021 01 Sep 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 12 Aug 2021 30 Jun 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 12 Aug 2021 11 Aug 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 16 Jul 2021 15 Jul 2021 001-12691
S-1 Open S-1 document View SEC filing for S-1 S-1 08 Jul 2021 333-257757
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 07 Jul 2021 07 Jul 2021 001-12691
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 06 Jul 2021 28 Jun 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 06 Jul 2021 28 Jun 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 30 Jun 2021 28 Jun 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 25 Jun 2021 23 Jun 2021 001-12691
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 16 Jun 2021 005-41602
SD Open SD document View SEC filing for SD FORM SD 28 May 2021 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 14 May 2021 23 Jun 2021 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 May 2021 11 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 May 2021 11 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 May 2021 11 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 May 2021 11 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 May 2021 11 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 May 2021 11 May 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 May 2021 11 May 2021
S-8 Open S-8 document View SEC filing for S-8 FORM S-8 11 May 2021 333-256011
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 07 May 2021 06 May 2021 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 06 May 2021 31 Mar 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 06 May 2021 05 May 2021 001-12691
3 Open 3 document View SEC filing for 3 30 Apr 2021 20 Apr 2021
SC 13D Open SC 13D document View SEC filing for SC 13D ION GEOPHYSICAL CORPORATION 30 Apr 2021 005-41602
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A FORM 10-K/A 30 Apr 2021 31 Dec 2020 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 26 Apr 2021 26 Apr 2021 001-12691
424B5 Open 424B5 document View SEC filing for 424B5 424B5 26 Apr 2021 333-234606
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Apr 2021 20 Apr 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 22 Apr 2021 20 Apr 2021 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Apr 2021 19 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Apr 2021 19 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Apr 2021 19 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Apr 2021 19 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Apr 2021 19 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Apr 2021 19 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Apr 2021 19 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Apr 2021 19 Apr 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 06 Apr 2021 05 Apr 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 25 Mar 2021 25 Mar 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 23 Mar 2021 23 Mar 2021 001-12691
EFFECT Open EFFECT document View SEC filing for EFFECT 10 Mar 2021 333-252590
EFFECT Open EFFECT document View SEC filing for EFFECT 10 Mar 2021 333-252591
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 10 Mar 2021 10 Mar 2021 001-12691
424B3 Open 424B3 document View SEC filing for 424B3 424B3 10 Mar 2021 333-252591
424B3 Open 424B3 document View SEC filing for 424B3 424B3 10 Mar 2021 333-252590
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Mar 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Mar 2021 05 Mar 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 09 Mar 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 09 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2021 01 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2021 01 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2021 01 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2021 01 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2021 01 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2021 01 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2021 01 Mar 2021
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 03 Mar 2021 333-252590
S-4/A Open S-4/A document | Open XBRL data View SEC filing for S-4/A FORM S-4/A 03 Mar 2021 333-252591
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 02 Mar 2021 08 Feb 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 26 Feb 2021 08 Feb 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 26 Feb 2021 22 Feb 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 24 Feb 2021 23 Feb 2021 001-12691
SC 13G Open SC 13G document View SEC filing for SC 13G SABBY 13G IO 2.19.21 19 Feb 2021 005-41602
SC 13G Open SC 13G document View SEC filing for SC 13G ION GEOPHYSICAL CORPORATION 19 Feb 2021 005-41602
DEFA14A Open DEFA14A document View SEC filing for DEFA14A FORM DEFA14A 19 Feb 2021 001-12691
DEFA14A Open DEFA14A document View SEC filing for DEFA14A FORM DEFA14A 18 Feb 2021 001-12691
424B5 Open 424B5 document View SEC filing for 424B5 424B5 18 Feb 2021 333-234606
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K REGISTERED DIRECT OFFERING 18 Feb 2021 16 Feb 2021 001-12691
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 12 Feb 2021 333-252590
S-4/A Open S-4/A document View SEC filing for S-4/A S-4/A 12 Feb 2021 333-252591
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 12 Feb 2021 31 Dec 2020 001-12691
DEFA14A Open DEFA14A document View SEC filing for DEFA14A FORM DEFA14A 12 Feb 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 12 Feb 2021 11 Feb 2021 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 11 Feb 2021 08 Feb 2021 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 11 Feb 2021 005-41602
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 11 Feb 2021 10 Feb 2021 001-12691
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 05 Feb 2021
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 05 Feb 2021
S-4 Open S-4 document View SEC filing for S-4 S-4 29 Jan 2021 333-252591
S-1 Open S-1 document View SEC filing for S-1 S-1 29 Jan 2021 333-252590
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 22 Jan 2021 23 Feb 2021 001-12691
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 11 Jan 2021 11 Jan 2021 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jan 2021 31 Dec 2020
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 29 Dec 2020 22 Dec 2020 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 23 Dec 2020 23 Dec 2020 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2020 01 Dec 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2020 01 Dec 2020
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Nov 2020 30 Sep 2020 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Nov 2020 04 Nov 2020 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Sep 2020 01 Sep 2020
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Aug 2020 30 Jun 2020 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Aug 2020 05 Aug 2020 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K Q1 2020 REVENUES AND LIQUIDITY 01 Jul 2020 01 Jul 2020 001-12691
SD Open SD document View SEC filing for SD SD 29 May 2020 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 2020 ANNUAL MEETING RESULTS 26 May 2020 26 May 2020 001-12691
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A ADDITIONAL MATERIALS 13 May 2020 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 May 2020 31 Mar 2020 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 07 May 2020 06 May 2020 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 22 Apr 2020 26 May 2020 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K ION SETTLEMENT WITH WG 09 Apr 2020 09 Apr 2020 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K PRELIM UPDATE 01 Apr 2020 01 Apr 2020 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 2020 MKT CAP COMP 01 Apr 2020 01 Apr 2020 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Mar 2020 11 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Mar 2020 05 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2020 01 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2020 01 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2020 01 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2020 01 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2020 01 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2020 01 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2020 01 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Feb 2020 20 Feb 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Feb 2020 18 Feb 2020
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2020 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2020 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2020 005-41602
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Feb 2020 11 Feb 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 07 Feb 2020 01 Feb 2020
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 06 Feb 2020 31 Dec 2019 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Feb 2020 05 Feb 2020 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K USHER EMPLOYMENT AGREEMENT 27 Jan 2020 27 Jan 2020 001-12691
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 10 Jan 2020 01 Jan 2020
8-K Open 8-K document View SEC filing for 8-K 8-K CFO TRANSITION 03 Jan 2020 03 Jan 2020 001-12691
EFFECT Open EFFECT document View SEC filing for EFFECT 23 Dec 2019 333-234606
CORRESP Open CORRESP document View SEC filing for CORRESP 20 Dec 2019
S-3/A Open S-3/A document View SEC filing for S-3/A S-3/A 19 Dec 2019 333-234606
S-3 Open S-3 document View SEC filing for S-3 S-3 08 Nov 2019 333-234606
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Nov 2019 08 Nov 2019 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 31 Oct 2019 30 Sep 2019 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 31 Oct 2019 30 Oct 2019 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Sep 2019 01 Sep 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Sep 2019 01 Sep 2019
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Sep 2019 04 Sep 2019 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Sep 2019 01 Sep 2019
8-K Open 8-K document View SEC filing for 8-K 8-K DC SIDES WITH ION 03 Sep 2019 03 Sep 2019 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 01 Aug 2019 30 Jun 2019 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 01 Aug 2019 31 Jul 2019 001-12691
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 19 Jun 2019 17 Jun 2019
8-K Open 8-K document View SEC filing for 8-K 8-K 17 Jun 2019 17 Jun 2019 001-12691
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 14 Jun 2019 07 Jun 2019
8-K Open 8-K document View SEC filing for 8-K 8-K 10 Jun 2019 10 Jun 2019 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Jun 2019 29 May 2019 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jun 2019 01 Jun 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2019 31 May 2019
SD Open SD document View SEC filing for SD SD CY2018 31 May 2019 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 16 May 2019 16 May 2019 001-12691
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 03 May 2019 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 May 2019 31 Mar 2019 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 02 May 2019 01 May 2019 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 11 Apr 2019 15 May 2019 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2019 01 Mar 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2019 01 Mar 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2019 01 Mar 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2019 01 Mar 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2019 01 Mar 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2019 01 Mar 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2019 01 Mar 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2019 01 Mar 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2019 01 Mar 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2019 01 Mar 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2019 01 Mar 2019
SC 13G Open SC 13G document View SEC filing for SC 13G 14 Feb 2019 005-41602
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2019 005-41602
424B3 Open 424B3 document View SEC filing for 424B3 424B3 WARRANT EXTENSION 13 Feb 2019 333-213769
SC 13G Open SC 13G document View SEC filing for SC 13G 12 Feb 2019 005-41602
8-K Open 8-K document View SEC filing for 8-K 8-K JENNINGS RESIGNATION 08 Feb 2019 08 Feb 2019 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 08 Feb 2019 08 Feb 2019 001-12691
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 07 Feb 2019 31 Dec 2018 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Feb 2019 06 Feb 2019 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 31 Jan 2019 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 31 Jan 2019 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 31 Jan 2019 005-41602
S-8 Open S-8 document View SEC filing for S-8 S-8 18 Jan 2019 333-229311
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ION GEOPHYSICAL CORPORATION 15 Jan 2019 005-41602
8-K Open 8-K document View SEC filing for 8-K 8-K 11 Jan 2019 11 Jan 2019 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Dec 2018 06 Dec 2018
8-K Open 8-K document View SEC filing for 8-K 8-K SPEC MTG RESULTS AND NEO GRANTS 06 Dec 2018 06 Dec 2018 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2018 01 Dec 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2018 01 Dec 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2018 01 Dec 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2018 01 Dec 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2018 01 Dec 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2018 01 Dec 2018
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A SPECMTGEXPLNOTE2 23 Nov 2018 001-12691
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A SPECMTGPRXYREV 09 Nov 2018 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Nov 2018 07 Nov 2018
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 Nov 2018 30 Sep 2018 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 01 Nov 2018 30 Nov 2018 001-12691
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 01 Nov 2018 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 01 Nov 2018 31 Oct 2018 001-12691
SC 13G Open SC 13G document View SEC filing for SC 13G 26 Oct 2018 005-41602
8-K Open 8-K document View SEC filing for 8-K 8-K 21 Aug 2018 21 Aug 2018 001-12691
SC 13G Open SC 13G document View SEC filing for SC 13G 20 Aug 2018 005-41602
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Aug 2018 14 Aug 2018
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 Aug 2018 30 Jun 2018 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 02 Aug 2018 01 Aug 2018 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Jun 2018 22 Jun 2018
8-K Open 8-K document View SEC filing for 8-K 8-K 22 Jun 2018 22 Jun 2018 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Jun 2018 18 Jun 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jun 2018 04 Jun 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jun 2018 01 Jun 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jun 2018 30 May 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jun 2018 30 May 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jun 2018 30 May 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jun 2018 30 May 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jun 2018 30 May 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jun 2018 30 May 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jun 2018 30 May 2018
SD Open SD document View SEC filing for SD SD 31 May 2018 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 16 May 2018 16 May 2018 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 May 2018 31 Mar 2018 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 03 May 2018 02 May 2018 001-12691
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 20 Apr 2018 13 Apr 2018
8-K Open 8-K document View SEC filing for 8-K 8-K ZHENG 13 Apr 2018 13 Apr 2018 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 13 Apr 2018 16 May 2018 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2018 01 Mar 2018
8-K Open 8-K document View SEC filing for 8-K 8-K 02 Mar 2018 02 Mar 2018 001-12691
SC 13G Open SC 13G document View SEC filing for SC 13G ION GEOPHYSICAL CORP 22 Feb 2018 005-41602
424B5 Open 424B5 document View SEC filing for 424B5 424B5 20 Feb 2018 333-213769
8-K Open 8-K document View SEC filing for 8-K 8-K 16 Feb 2018 15 Feb 2018 001-12691
424B5 Open 424B5 document View SEC filing for 424B5 424B5 15 Feb 2018 333-213769
S-3MEF Open S-3MEF document View SEC filing for S-3MEF S-3MEF 15 Feb 2018 333-223053
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 12 Feb 2018 005-41602
10-K/A Open 10-K/A document View SEC filing for 10-K/A 10-K/A 12 Feb 2018 31 Dec 2017 001-12691
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 08 Feb 2018 31 Dec 2017 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 08 Feb 2018 07 Feb 2018 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Dec 2017 15 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Dec 2017 15 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Dec 2017 15 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Dec 2017 15 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Dec 2017 15 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Dec 2017 15 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Dec 2017 15 Dec 2017
8-K Open 8-K document View SEC filing for 8-K 8-K 19 Dec 2017 19 Dec 2017 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Dec 2017 14 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Dec 2017 14 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Dec 2017 14 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Dec 2017 14 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Dec 2017 14 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Dec 2017 14 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Dec 2017 14 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2017 01 Dec 2017
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 Nov 2017 30 Sep 2017 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 02 Nov 2017 01 Nov 2017 001-12691
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Sep 2017 06 Sep 2017
8-K Open 8-K document View SEC filing for 8-K 8-K 28 Aug 2017 28 Aug 2017 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Aug 2017 10 Aug 2017
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Aug 2017 30 Jun 2017 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Aug 2017 02 Aug 2017 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Jul 2017 21 Jul 2017 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2017 01 Jun 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2017 01 Jun 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2017 01 Jun 2017
SD Open SD document View SEC filing for SD SD 31 May 2017 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 18 May 2017 18 May 2017 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 17 May 2017 17 May 2017 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 May 2017 31 Mar 2017 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 04 May 2017 04 May 2017 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 02 May 2017 02 May 2017 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF14A 13 Apr 2017 17 May 2017 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2017 01 Mar 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2017 01 Mar 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2017 01 Mar 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2017 01 Mar 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2017 01 Mar 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2017 01 Mar 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2017 01 Mar 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2017 01 Mar 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2017 01 Mar 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2017 01 Mar 2017
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 09 Feb 2017 31 Dec 2016 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 09 Feb 2017 06 Feb 2017 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 10 Jan 2017 005-41602
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 05 Jan 2017 005-41602
8-K Open 8-K document View SEC filing for 8-K 8-K 22 Dec 2016 22 Dec 2016 001-12691
424B5 Open 424B5 document View SEC filing for 424B5 424B5 22 Dec 2016 333-213769
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Dec 2016 21 Dec 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Dec 2016 19 Dec 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2016 01 Dec 2016
EFFECT Open EFFECT document View SEC filing for EFFECT 02 Dec 2016 333-213769
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Dec 2016 01 Dec 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Dec 2016 01 Dec 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Dec 2016 01 Dec 2016
CORRESP Open CORRESP document View SEC filing for CORRESP 30 Nov 2016
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 29 Nov 2016
S-3/A Open S-3/A document View SEC filing for S-3/A S-3/A 23 Nov 2016 333-213769
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Nov 2016 23 Nov 2016 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Nov 2016 16 Nov 2016
8-K Open 8-K document View SEC filing for 8-K 8-K 18 Nov 2016 18 Nov 2016 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Nov 2016 07 Nov 2016
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D AMENDMENT NO. 8 07 Nov 2016 005-41602
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Nov 2016 03 Nov 2016
CORRESP Open CORRESP document View SEC filing for CORRESP 03 Nov 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Nov 2016 01 Nov 2016
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Nov 2016 30 Sep 2016 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 03 Nov 2016 02 Nov 2016 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Nov 2016 28 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Oct 2016 26 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Oct 2016 25 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Oct 2016 21 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Oct 2016 19 Oct 2016
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 21 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Oct 2016 17 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Oct 2016 13 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Oct 2016 11 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Oct 2016 06 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Oct 2016 04 Oct 2016
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 05 Oct 2016 005-41602
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 05 Oct 2016 30 Sep 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2016 30 Sep 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Sep 2016 28 Sep 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Sep 2016 26 Sep 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Sep 2016 22 Sep 2016
S-3 Open S-3 document View SEC filing for S-3 S-3 23 Sep 2016 333-213769
8-K Open 8-K document View SEC filing for 8-K 8-K 23 Sep 2016 23 Sep 2016 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Sep 2016 20 Sep 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Sep 2016 16 Sep 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Sep 2016 14 Sep 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Sep 2016 12 Sep 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Sep 2016 08 Sep 2016
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 12 Sep 2016 005-41602
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Sep 2016 06 Sep 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Sep 2016 01 Sep 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Sep 2016 30 Aug 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Aug 2016 26 Aug 2016
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 Aug 2016 30 Jun 2016 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Aug 2016 04 Aug 2016 001-12691
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 06 Jul 2016 30 Jun 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Jun 2016 16 Jun 2016
10-K/A Open 10-K/A document View SEC filing for 10-K/A 10-K/A AMENDMENT NO. 2 27 Jun 2016 31 Dec 2015 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2016 01 Jun 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2016 01 Jun 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2016 01 Jun 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2016 01 Jun 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2016 01 Jun 2016
8-K Open 8-K document View SEC filing for 8-K 8-K 02 Jun 2016 02 Jun 2016 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2016 01 Jun 2016
SD Open SD document View SEC filing for SD SD 23 May 2016 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 18 May 2016 18 May 2016 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 May 2016 31 Mar 2016 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 May 2016 05 May 2016 001-12691
D Open D document View SEC filing for D 03 May 2016 021-262498
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Apr 2016 28 Apr 2016
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Apr 2016 28 Apr 2016 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 22 Apr 2016 20 Apr 2016 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 14 Apr 2016 18 May 2016 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Apr 2016 12 Apr 2016 001-12691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Mar 2016 28 Mar 2016 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Mar 2016 15 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Mar 2016 15 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Mar 2016 15 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Mar 2016 10 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Mar 2016 09 Mar 2016
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Mar 2016 04 Mar 2016 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2016 01 Mar 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2016 01 Mar 2016
8-K Open 8-K document View SEC filing for 8-K 8-K SUPPORT AGREEMENT 29 Feb 2016 29 Feb 2016 001-12691
S-8 Open S-8 document View SEC filing for S-8 S-8 2013 LTIP SHARES 25 Feb 2016 333-209707
8-K Open 8-K document View SEC filing for 8-K 8-K 16 Feb 2016 16 Feb 2016 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 16 Feb 2016 16 Feb 2016 001-12691
10-K/A Open 10-K/A document View SEC filing for 10-K/A 10-K/A 12 Feb 2016 31 Dec 2015 001-12691
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 12 Feb 2016 31 Dec 2015
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 12 Feb 2016 31 Dec 2015
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 11 Feb 2016 31 Dec 2015 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 11 Feb 2016 11 Feb 2016 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Feb 2016 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 05 Feb 2016 005-41602
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Feb 2016 04 Feb 2016 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 21 Dec 2015 01 Feb 2016 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Dec 2015 005-41602
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 08 Dec 2015 01 Feb 2016 001-12691
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 08 Dec 2015 005-41602
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2015 01 Dec 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2015 01 Dec 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2015 01 Dec 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Nov 2015 20 Nov 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Nov 2015 19 Nov 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Nov 2015 19 Nov 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Nov 2015 19 Nov 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Nov 2015 17 Nov 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Nov 2015 19 Nov 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Nov 2015 17 Nov 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Nov 2015 17 Nov 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Nov 2015 17 Nov 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Nov 2015 13 Nov 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Nov 2015 10 Nov 2015
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Nov 2015 30 Sep 2015 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 05 Nov 2015 04 Nov 2015 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 05 Nov 2015 04 Nov 2015 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 02 Sep 2015 02 Sep 2015 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 17 Aug 2015 14 Aug 2015 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Aug 2015 30 Jun 2015 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Aug 2015 05 Aug 2015 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 02 Jul 2015 02 Jul 2015 001-12691
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 24 Jun 2015
CORRESP Open CORRESP document View SEC filing for CORRESP 18 Jun 2015
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 12 Jun 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2015 01 Jun 2015
SD Open SD document View SEC filing for SD SD 01 Jun 2015 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 May 2015 26 May 2015
8-K Open 8-K document View SEC filing for 8-K 8-K ANNUAL MEETING 20 May 2015 20 May 2015 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 May 2015 15 May 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 May 2015 13 May 2015
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 May 2015 31 Mar 2015 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 07 May 2015 06 May 2015 001-12691
10-K/A Open 10-K/A document View SEC filing for 10-K/A 10-K/A 24 Apr 2015 31 Dec 2014 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 24 Apr 2015 24 Apr 2015 001-12691
ARS Open ARS document View SEC filing for ARS AUTO-GENERATED PAPER DOCUMENT 16 Apr 2015 31 Dec 2014 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 14 Apr 2015 20 May 2015 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 01 Mar 2015
8-K Open 8-K document View SEC filing for 8-K 8-K 2015 ANNUAL GRANTS NEOS 03 Mar 2015 03 Mar 2015 001-12691
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 17 Feb 2015 31 Dec 2014 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 12 Feb 2015 11 Feb 2015 001-12691
SC 13G Open SC 13G document View SEC filing for SC 13G 10 Feb 2015 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ION GEOPHYSICAL CORPORATION 12312014 03 Feb 2015 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 26 Jan 2015 005-41602
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 08 Jan 2015 31 Dec 2014
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Dec 2014 04 Dec 2014 001-12691
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 03 Dec 2014 01 Dec 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2014 01 Dec 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2014 01 Dec 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2014 01 Dec 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2014 01 Dec 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2014 01 Dec 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2014 01 Dec 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2014 01 Dec 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Nov 2014 13 Nov 2014
8-K Open 8-K document View SEC filing for 8-K 8-K 13 Nov 2014 13 Nov 2014 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Nov 2014 30 Sep 2014 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Nov 2014 05 Nov 2014 001-12691
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 14 Oct 2014 06 Oct 2014
8-K Open 8-K document View SEC filing for 8-K 8-K 26 Sep 2014 26 Sep 2014 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Sep 2014 09 May 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Sep 2014 03 Sep 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Sep 2014 02 Sep 2014
8-K Open 8-K document View SEC filing for 8-K 8-K 02 Sep 2014 02 Sep 2014 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 26 Aug 2014 26 Aug 2014 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 25 Aug 2014 25 Aug 2014 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Aug 2014 30 Jun 2014 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Aug 2014 06 Aug 2014 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2014 01 Jun 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2014 01 Jun 2014
SD Open SD document View SEC filing for SD SD 02 Jun 2014 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 21 May 2014 21 May 2014 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 May 2014 06 May 2014
8-K Open 8-K document View SEC filing for 8-K 8-K 08 May 2014 07 May 2014 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 01 May 2014 31 Mar 2014 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 01 May 2014 30 Apr 2014 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 01 May 2014 30 Apr 2014 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 21 Apr 2014 21 Apr 2014 001-12691
ARS Open ARS document View SEC filing for ARS AUTO-GENERATED PAPER DOCUMENT 18 Apr 2014 31 Dec 2013 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 15 Apr 2014 21 May 2014 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 10 Apr 2014 09 Apr 2014 001-12691
424B3 Open 424B3 document View SEC filing for 424B3 424B3 10 Apr 2014 333-194110
EFFECT Open EFFECT document View SEC filing for EFFECT 09 Apr 2014 333-194110
CORRESP Open CORRESP document View SEC filing for CORRESP 07 Apr 2014
S-4/A Open S-4/A document View SEC filing for S-4/A S-4/A 28 Mar 2014 333-194110
CORRESP Open CORRESP document View SEC filing for CORRESP 28 Mar 2014
10-K/A Open 10-K/A document View SEC filing for 10-K/A FORM 10-K/A AMENDMENT NO. 1 28 Mar 2014 31 Dec 2013 001-12691
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 21 Mar 2014
8-K Open 8-K document View SEC filing for 8-K 8-K 20 Mar 2014 19 Mar 2014 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 13 Mar 2014 13 Mar 2014 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 11 Mar 2014 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Mar 2014 005-41602
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 01 Mar 2014
8-K Open 8-K document View SEC filing for 8-K 8-K 03 Mar 2014 01 Mar 2014 001-12691
CORRESP Open CORRESP document View SEC filing for CORRESP 25 Feb 2014
S-4 Open S-4 document View SEC filing for S-4 S-4 25 Feb 2014 333-194110
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 24 Feb 2014 31 Dec 2013 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A DISCLOSURE DOCUMENT 14 Feb 2014 005-41602
8-K Open 8-K document View SEC filing for 8-K 8-K 13 Feb 2014 12 Feb 2014 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ION GEOPHYSICAL CORPORATION 05 Feb 2014 005-41602
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Jan 2014 29 Jan 2014 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 29 Jan 2014 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 28 Jan 2014 005-41602
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 10 Jan 2014 005-41602
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 08 Jan 2014 30 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Dec 2013 13 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Dec 2013 13 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Dec 2013 13 Dec 2013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ION GEOPYSICAL CORPORATION11302013 09 Dec 2013 005-41602
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Dec 2013 01 Dec 2013 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 30 Oct 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2013 01 Dec 2013
8-K Open 8-K document View SEC filing for 8-K 8-K 18 Nov 2013 18 Nov 2013 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 Nov 2013 30 Sep 2013 001-12691
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A 10-Q/A 15 Nov 2013 30 Jun 2013 001-12691
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A 10-Q/A 15 Nov 2013 31 Mar 2013 001-12691
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 12 Nov 2013 30 Sep 2013 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 12 Nov 2013 12 Nov 2013 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Nov 2013 06 Nov 2013 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 25 Oct 2013 24 Oct 2013 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 30 Sep 2013 30 Sep 2013 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 27 Sep 2013 27 Sep 2013 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Sep 2013 13 Sep 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Sep 2013 13 Sep 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Sep 2013 01 Sep 2013
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Sep 2013 03 Sep 2013 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Aug 2013 26 Aug 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Aug 2013 13 Aug 2013
S-8 Open S-8 document View SEC filing for S-8 S-8 08 Aug 2013 333-190474
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Aug 2013 30 Jun 2013 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 08 Aug 2013 07 Aug 2013 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Aug 2013 01 Aug 2013
8-K Open 8-K document View SEC filing for 8-K 8-K 15 Jul 2013 15 Jul 2013 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 20 Jun 2013 19 Jun 2013 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jun 2013 13 Jun 2013
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 17 Jun 2013 12 Jun 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Jun 2013 10 Jun 2013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ION GEOPHYSICAL CORPORATION 10 Jun 2013 005-41602
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jun 2013 05 Jun 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jun 2013 01 Jun 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jun 2013 01 Jun 2013
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 04 Jun 2013 29 May 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jun 2013 01 Jun 2013
8-K Open 8-K document View SEC filing for 8-K 8-K 28 May 2013 22 May 2013 001-12691
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 21 May 2013 14 May 2013
8-K Open 8-K document View SEC filing for 8-K 8-K 15 May 2013 15 May 2013 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 May 2013 10 May 2013
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 14 May 2013 001-12691
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES 13 May 2013 08 May 2013 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 May 2013 20 Feb 2013
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES 01 May 2013 01 May 2013 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 01 May 2013 30 Apr 2013 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 01 May 2013 31 Mar 2013 001-12691
ARS Open ARS document View SEC filing for ARS AUTO-GENERATED PAPER DOCUMENT 18 Apr 2013 31 Dec 2012 001-12691
10-K/A Open 10-K/A document View SEC filing for 10-K/A FORM 10-K AMENDMENT NO. 1 17 Apr 2013 31 Dec 2012 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 16 Apr 2013 22 May 2013 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 29 Mar 2013 005-41602
8-K Open 8-K document View SEC filing for 8-K 8-K 25 Mar 2013 25 Mar 2013 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 18 Mar 2013 18 Mar 2013 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Mar 2013 14 Mar 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Feb 2013 19 Feb 2013
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 19 Feb 2013 31 Dec 2012 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A DISCLOSURE DOCUMENT 14 Feb 2013 005-41602
8-K Open 8-K document View SEC filing for 8-K 8-K 14 Feb 2013 11 Feb 2013 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2013 005-41602
SC 13G Open SC 13G document View SEC filing for SC 13G ION GEOPHYSICAL CORPORATION 13 Feb 2013 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 06 Feb 2013 005-41602
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 24 Jan 2013 31 Dec 2012
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 24 Jan 2013 31 Dec 2012
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 08 Jan 2013 005-41602
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Jan 2013 31 Dec 2012 001-12691
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 06 Dec 2012 30 Nov 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2012 01 Dec 2012
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 03 Dec 2012 01 Dec 2012 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Nov 2012 14 Nov 2012
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Nov 2012 30 Sep 2012 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 09 Nov 2012 07 Nov 2012 001-12691
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Nov 2012 06 Nov 2012 001-12691
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 25 Oct 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Oct 2012 23 Oct 2012
CORRESP Open CORRESP document View SEC filing for CORRESP 26 Sep 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Sep 2012 14 Sep 2012
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 12 Sep 2012
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 11 Sep 2012 11 Sep 2012 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Sep 2012 21 May 2012
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Sep 2012 04 Sep 2012
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 20 Aug 2012 20 Aug 2012 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 17 Aug 2012 16 Aug 2012 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Aug 2012 005-41602
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 08 Aug 2012 07 Aug 2012 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 07 Aug 2012 30 Jun 2012 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Jun 2012 22 Jun 2012
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 30 May 2012 29 May 2012 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 May 2012 23 May 2012 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 May 2012 14 May 2012
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 11 May 2012 005-41602
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 03 May 2012 31 Mar 2012 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 03 May 2012 02 May 2012 001-12691
ARS Open ARS document View SEC filing for ARS AUTO-GENERATED PAPER DOCUMENT 25 Apr 2012 31 Dec 2011 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 20 Apr 2012 23 May 2012 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Apr 2012 005-41602
10-K/A Open 10-K/A document View SEC filing for 10-K/A FORM 10-K AMENDMENT NO. 1 26 Mar 2012 31 Dec 2011 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Mar 2012 12 Mar 2012
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 13 Mar 2012 13 Mar 2012 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 09 Mar 2012 09 Mar 2012 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2012 01 Mar 2012
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 24 Feb 2012 31 Dec 2011 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 16 Feb 2012 15 Feb 2012 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2012 005-41602
SC 13G Open SC 13G document View SEC filing for SC 13G DISCLOSURE DOCUMENT 14 Feb 2012 005-41602
15-12B Open 15-12B document View SEC filing for 15-12B FORM 15-12B 13 Feb 2012 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 13 Feb 2012 10 Feb 2012 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2012 005-41602
25-NSE Open 25-NSE document View SEC filing for 25-NSE 03 Feb 2012 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 25 Jan 2012 005-41602
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 03 Jan 2012 01 Jan 2012 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 07 Dec 2011 05 Dec 2011 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 04 Mar 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 12 Apr 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
3/A Open 3/A document View SEC filing for 3/A FORM 3/A SUBMISSION 05 Dec 2011 16 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2011 01 Dec 2011
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 02 Dec 2011 28 Nov 2011
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 01 Dec 2011 28 Nov 2011 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 14 Nov 2011 14 Nov 2011 001-12691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 03 Nov 2011 30 Sep 2011 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 02 Nov 2011 02 Nov 2011 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 04 Oct 2011 04 Oct 2011 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Sep 2011 06 Sep 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Sep 2011 26 Aug 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Sep 2011 02 Sep 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Sep 2011 01 Sep 2011
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 02 Sep 2011 30 Aug 2011 001-12691
3/A Open 3/A document View SEC filing for 3/A FORM 3/A SUBMISSION 19 Aug 2011 16 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Aug 2011 08 Aug 2011
S-8 Open S-8 document View SEC filing for S-8 FORM S-8 04 Aug 2011 333-176046
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 04 Aug 2011 30 Jun 2011 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 03 Aug 2011 02 Aug 2011 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 02 Aug 2011 02 Aug 2011 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 13 Jul 2011 13 Jul 2011 001-12691
10-K/A Open 10-K/A document View SEC filing for 10-K/A FORM 10-K/A 17 Jun 2011 31 Dec 2010 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Jun 2011 15 Jun 2011
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 27 May 2011 27 May 2011 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 May 2011 23 May 2011
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 20 May 2011 20 May 2011 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 May 2011 11 May 2011
DEFR14A Open DEFR14A document View SEC filing for DEFR14A DEFR14A 12 May 2011 001-12691
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q 05 May 2011 31 Mar 2011 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 04 May 2011 04 May 2011 001-12691
ARS Open ARS document View SEC filing for ARS AUTO-GENERATED PAPER DOCUMENT 28 Apr 2011 31 Dec 2010 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 21 Apr 2011 27 May 2011 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Apr 2011 06 Apr 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2011 04 Apr 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Mar 2011 04 Mar 2011
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 03 Mar 2011 02 Mar 2011 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2011 01 Mar 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2011 01 Mar 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2011 01 Mar 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2011 01 Mar 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2011 01 Mar 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2011 28 Feb 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Mar 2011 25 Feb 2011
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Mar 2011 25 Feb 2011
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 01 Mar 2011 25 Feb 2010 001-12691
10-K Open 10-K document View SEC filing for 10-K FORM 10-K 24 Feb 2011 31 Dec 2010 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Feb 2011 22 Feb 2011
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 17 Feb 2011 11 Feb 2011 001-12691
SC 13G Open SC 13G document View SEC filing for SC 13G DOC ONE 14 Feb 2011 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 14 Feb 2011 005-41602
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A DOC ONE 10 Feb 2011 005-41602
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 08 Feb 2011 02 Dec 2010
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 04 Feb 2011 005-41602
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 03 Feb 2011 01 Dec 2010
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 20 Jan 2011 005-41602
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 04 Jan 2011 01 Jan 2011
3/A Open 3/A document View SEC filing for 3/A FORM 3/A SUBMISSION 23 Dec 2010 16 Dec 2010
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 23 Dec 2010 16 Dec 2010
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 23 Dec 2010 16 Dec 2010
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 23 Dec 2010 16 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Dec 2010 13 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Dec 2010 10 Dec 2010
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 10 Dec 2010 10 Dec 2010 001-12691
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 07 Dec 2010 02 Dec 2010
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 07 Dec 2010 02 Dec 2010
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 06 Dec 2010 01 Dec 2010 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 01 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 02 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 01 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 01 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 01 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 01 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 01 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 01 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 01 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 29 Nov 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 01 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 01 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2010 01 Dec 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Dec 2010 29 Nov 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Dec 2010 29 Nov 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Dec 2010 29 Nov 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Nov 2010 24 Nov 2010
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 22 Nov 2010 16 Nov 2010 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Nov 2010 19 Nov 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Nov 2010 16 Nov 2010
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 16 Nov 2010 15 Nov 2010 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Nov 2010 11 Nov 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Nov 2010 09 Nov 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Nov 2010 09 Nov 2010
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 08 Nov 2010 05 Nov 2010 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 04 Nov 2010 04 Nov 2010 001-12691
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q 04 Nov 2010 30 Sep 2010 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 04 Nov 2010 03 Nov 2010 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 05 Oct 2010 05 Oct 2010 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 13 Sep 2010 13 Sep 2010 001-12691
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q 05 Aug 2010 30 Jun 2010 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 04 Aug 2010 04 Aug 2010 001-12691
EFFECT Open EFFECT document View SEC filing for EFFECT 15 Jul 2010 333-166200
424B3 Open 424B3 document View SEC filing for 424B3 424B3 15 Jul 2010 333-166200
CORRESP Open CORRESP document View SEC filing for CORRESP 14 Jul 2010
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 14 Jul 2010
CORRESP Open CORRESP document View SEC filing for CORRESP 13 Jul 2010
CORRESP Open CORRESP document View SEC filing for CORRESP 09 Jul 2010
S-3/A Open S-3/A document View SEC filing for S-3/A FORM S-3/A 09 Jul 2010 333-166200
10-K/A Open 10-K/A document View SEC filing for 10-K/A FORM 10-K/A 09 Jul 2010 31 Dec 2009 001-12691
S-8 Open S-8 document View SEC filing for S-8 FORM S-8 01 Jul 2010 333-167943
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 25 Jun 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jun 2010 07 Jun 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2010 01 Jun 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2010 01 Jun 2010
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2010 01 Jun 2010
CORRESP Open CORRESP document View SEC filing for CORRESP 01 Jun 2010
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 01 Jun 2010 26 May 2010 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 May 2010 21 May 2010
CORRESP Open CORRESP document View SEC filing for CORRESP 20 May 2010
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 20 May 2010 20 May 2010 001-12691
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 17 May 2010
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q 06 May 2010 31 Mar 2010 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 05 May 2010 05 May 2010 001-12691
ARS Open ARS document View SEC filing for ARS AUTO-GENERATED PAPER DOCUMENT 22 Apr 2010 31 Dec 2009 001-12691
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 21 Apr 2010 26 May 2010 001-12691
S-3 Open S-3 document View SEC filing for S-3 FORM S-3 20 Apr 2010 333-166200
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 12 Apr 2010 09 Apr 2010 001-12691
D/A Open D/A document View SEC filing for D/A 05 Apr 2010 021-86660-9F
D Open D document View SEC filing for D 05 Apr 2010 021-86660-9F
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 05 Apr 2010 01 Apr 2010
3 Open 3 document View SEC filing for 3 FORM 3 01 Apr 2010 25 Mar 2010
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 01 Apr 2010 005-41602
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 01 Apr 2010 01 Apr 2010 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 31 Mar 2010 25 Mar 2010 001-12691
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 25 Mar 2010 19 Mar 2010 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2010 01 Mar 2010
10-K Open 10-K document View SEC filing for 10-K FORM 10-K 01 Mar 2010 31 Dec 2009 001-12691
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Feb 2010 24 Feb 2010
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 17 Feb 2010 17 Feb 2010 001-12691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 16 Feb 2010 005-41602
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 09 Feb 2010 31 Dec 2009
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 01 Feb 2010 29 Jan 2010 001-12691
SC 13G Open SC 13G document View SEC filing for SC 13G 21 Jan 2010 005-41602
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 14 Jan 2010 13 Jan 2010 001-12691
SC 13G Open SC 13G document View SEC filing for SC 13G 08 Jan 2010 005-41602

About this filer

ION GEOPHYSICAL CORP files with the SEC under CIK 0000866609. This page aggregates EDGAR filings and related ownership activity.

Industry: Oil & Gas Field Exploration Services.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

Related pages