NATURAL GAS SERVICES GROUP INC SEC EDGAR Filings (CIK 0001084991)

SEC EDGAR filings, ownership reports, and insider transactions for NATURAL GAS SERVICES GROUP INC.

Symbol
NGS on NYSE
Industry
Oil & Gas Field Services, Nec (Office Of Energy & Transportation)
Business address
404 Veterans Airpark Lane, Suite 300, Midland, TX, 79705
Fiscal year end
31 December
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NATURAL GAS SERVICES GROUP INC has filed 1,219 SEC EDGAR filings since 15 May 2002

Latest Filings

Recent SEC filings for NATURAL GAS SERVICES GROUP INC including 8-K, 4, SCHEDULE 13G and more.

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Feb 2026 09 Feb 2026 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Feb 2026 03 Feb 2026
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 30 Jan 2026 005-78868
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Jan 2026 23 Jan 2026 001-31398
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 26 Jan 2026 005-78868
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 07 Jan 2026 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Dec 2025 30 Dec 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Dec 2025 10 Dec 2025
144 Open 144 document View SEC filing for 144 11 Dec 2025 001-31398
144 Open 144 document View SEC filing for 144 10 Dec 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Dec 2025 08 Dec 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Dec 2025 08 Dec 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Dec 2025 03 Dec 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Dec 2025 03 Dec 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Dec 2025 04 Dec 2025
144 Open 144 document View SEC filing for 144 04 Dec 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Nov 2025 19 Nov 2025
144 Open 144 document View SEC filing for 144 20 Nov 2025 001-31398
144 Open 144 document View SEC filing for 144 19 Nov 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Nov 2025 17 Nov 2025
144 Open 144 document View SEC filing for 144 17 Nov 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Nov 2025 10 Nov 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Nov 2025 11 Nov 2025 001-31398
144 Open 144 document View SEC filing for 144 10 Nov 2025 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Nov 2025 30 Sep 2025 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Nov 2025 10 Nov 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Nov 2025 06 Nov 2025
144 Open 144 document View SEC filing for 144 07 Nov 2025 001-31398
144 Open 144 document View SEC filing for 144 06 Nov 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Nov 2025 03 Nov 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Nov 2025 03 Nov 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Oct 2025 09 Oct 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Sep 2025 26 Sep 2025
144 Open 144 document View SEC filing for 144 26 Sep 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Sep 2025 25 Sep 2025
144 Open 144 document View SEC filing for 144 25 Sep 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Sep 2025 24 Sep 2025
144 Open 144 document View SEC filing for 144 24 Sep 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Sep 2025 23 Sep 2025
144 Open 144 document View SEC filing for 144 23 Sep 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Sep 2025 19 Sep 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Sep 2025 18 Sep 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Sep 2025 17 Sep 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Sep 2025 16 Sep 2025
144 Open 144 document View SEC filing for 144 16 Sep 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Sep 2025 15 Sep 2025
144 Open 144 document View SEC filing for 144 04 Sep 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Sep 2025 04 Sep 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Sep 2025 04 Sep 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Aug 2025 08 Aug 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Aug 2025 08 Aug 2025
144 Open 144 document View SEC filing for 144 22 Aug 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Aug 2025 22 Aug 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Aug 2025 14 Aug 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Aug 2025 12 Aug 2025 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Aug 2025 05 Aug 2025 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 Aug 2025 30 Jun 2025 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Jul 2025 30 Jul 2025 001-31398
S-8 Open S-8 document View SEC filing for S-8 S-8 27 Jun 2025 333-288367
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 17 Jun 2025 13 Jun 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Jun 2025 13 Jun 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Jun 2025 13 Jun 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Jun 2025 13 Jun 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Jun 2025 16 Jun 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Jun 2025 05 Jun 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Jun 2025 05 Jun 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Jun 2025 05 Jun 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Jun 2025 05 Jun 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Jun 2025 05 Jun 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Jun 2025 05 Jun 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Jun 2025 05 Jun 2025
SD Open SD document View SEC filing for SD SD 02 Jun 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 May 2025 15 May 2025
144 Open 144 document View SEC filing for 144 15 May 2025 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 May 2025 13 May 2025 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 May 2025 12 May 2025 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 May 2025 31 Mar 2025 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 30 Apr 2025 001-31398
ARS Open ARS document View SEC filing for ARS ARS 28 Apr 2025 31 Dec 2024 001-31398
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 25 Apr 2025 31 Dec 2024 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Apr 2025 22 Apr 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Apr 2025 18 Apr 2025 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Apr 2025 28 Oct 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Apr 2025 01 Apr 2025
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 03 Apr 2025 01 Apr 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Apr 2025 01 Apr 2025 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Mar 2025 18 Mar 2025 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Mar 2025 17 Mar 2025 001-31398
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 17 Mar 2025 31 Dec 2024 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2025 13 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2025 13 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Jan 2025 29 Jan 2025
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 23 Jan 2025 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Jan 2025 21 Jan 2025
144 Open 144 document View SEC filing for 144 21 Jan 2025 001-31398
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 16 Jan 2025 005-78868
424B5 Open 424B5 document View SEC filing for 424B5 424B5 08 Jan 2025 333-283794
EFFECT Open EFFECT document View SEC filing for EFFECT 06 Jan 2025 333-283794
CORRESP Open CORRESP document View SEC filing for CORRESP 03 Jan 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jan 2025 30 Dec 2024
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 02 Jan 2025 30 Dec 2024
144 Open 144 document View SEC filing for 144 27 Dec 2024 001-31398
S-3/A Open S-3/A document View SEC filing for S-3/A S-3/A 23 Dec 2024 333-283794
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Dec 2024 333-283794
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Dec 2024 10 Dec 2024 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Dec 2024 12 Dec 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 13 Dec 2024 005-78868
S-3 Open S-3 document View SEC filing for S-3 S-3 13 Dec 2024 333-283794
144 Open 144 document View SEC filing for 144 12 Dec 2024 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Nov 2024 22 Nov 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 25 Nov 2024 005-78868
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 25 Nov 2024 005-78868
144 Open 144 document View SEC filing for 144 25 Nov 2024 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Nov 2024 19 Nov 2024
144 Open 144 document View SEC filing for 144 21 Nov 2024 001-31398
144 Open 144 document View SEC filing for 144 20 Nov 2024 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Nov 2024 15 Nov 2024
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 15 Nov 2024 20 Aug 2024
144 Open 144 document View SEC filing for 144 15 Nov 2024 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Nov 2024 15 Nov 2024 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Nov 2024 14 Nov 2024 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2024 30 Sep 2024 001-31398
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 13 Nov 2024 20 Aug 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Nov 2024 11 Nov 2024
144 Open 144 document View SEC filing for 144 12 Nov 2024 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 12 Nov 2024 005-78868
SC 13G Open SC 13G document View SEC filing for SC 13G 08 Nov 2024 005-78868
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Nov 2024 01 Nov 2024 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Nov 2024 01 Nov 2024
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 05 Nov 2024 01 Nov 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Nov 2024 01 Nov 2024 001-31398
SC 13G Open SC 13G document View SEC filing for SC 13G 22 Oct 2024 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Oct 2024 21 Oct 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Sep 2024 13 Sep 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Aug 2024 26 Aug 2024
144 Open 144 document View SEC filing for 144 27 Aug 2024 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Aug 2024 20 Aug 2024
144 Open 144 document View SEC filing for 144 20 Aug 2024 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Aug 2024 15 Aug 2024 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Aug 2024 14 Aug 2024 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Aug 2024 30 Jun 2024 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Aug 2024 01 Aug 2024 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jul 2024 30 Jun 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Jun 2024 25 Jun 2024 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Jun 2024 14 Jun 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Jun 2024 13 Jun 2024 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jun 2024 13 Jun 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jun 2024 13 Jun 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jun 2024 13 Jun 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jun 2024 13 Jun 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Jun 2024 06 Jun 2024 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 06 Jun 2024 001-31398
SD Open SD document View SEC filing for SD SD 31 May 2024 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 May 2024 29 May 2024 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 17 May 2024 16 May 2024 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2024 15 May 2024 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2024 31 Mar 2024 001-31398
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 13 May 2024 09 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 May 2024 09 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 May 2024 09 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 May 2024 09 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 May 2024 09 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 May 2024 18 Mar 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 May 2024 01 May 2024
ARS Open ARS document View SEC filing for ARS ARS 03 May 2024 31 Dec 2023 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 02 May 2024 001-31398
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 29 Apr 2024 31 Dec 2023 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Apr 2024 31 Mar 2024 001-31398
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 01 Apr 2024 31 Dec 2023 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Mar 2024 14 Mar 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Mar 2024 04 Mar 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 09 Feb 2024 005-78868
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 08 Feb 2024 005-78868
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Feb 2024 29 Jan 2024 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Jan 2024 29 Jan 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Jan 2024 02 Jan 2024 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Nov 2023 15 Nov 2023 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Nov 2023 14 Nov 2023 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2023 30 Sep 2023 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Nov 2023 30 Sep 2023 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Oct 2023 26 Oct 2023
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 30 Oct 2023 26 Oct 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Oct 2023 26 Oct 2023 001-31398
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 17 Oct 2023 09 Oct 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Oct 2023 09 Oct 2023
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 10 Oct 2023 09 Oct 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Oct 2023 09 Oct 2023 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Aug 2023 14 Aug 2023 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Aug 2023 30 Jun 2023 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Jul 2023 21 Jul 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Jul 2023 30 Jun 2023 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Jun 2023 15 Jun 2023 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 12 Jun 2023 005-78868
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 09 Jun 2023 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 07 Jun 2023 001-31398
SD Open SD document View SEC filing for SD SD 31 May 2023 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 May 2023 16 May 2023 001-31398
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 15 May 2023 25 Apr 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2023 31 Mar 2023 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2023 15 May 2023 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 May 2023 09 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2023 09 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2023 09 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2023 09 May 2023
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 08 May 2023 28 Apr 2023
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 03 May 2023 28 Apr 2023
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 03 May 2023 28 Apr 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 03 May 2023 005-78868
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 May 2023 28 Apr 2023 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2023 28 Apr 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2023 28 Apr 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 May 2023 25 Apr 2023 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 01 May 2023 001-31398
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 01 May 2023 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Apr 2023 25 Apr 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Apr 2023 25 Apr 2023
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 31 Mar 2023 31 Dec 2022 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Mar 2023 31 Mar 2023 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Mar 2023 20 Mar 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Mar 2023 20 Mar 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 10 Mar 2023 005-78868
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 07 Mar 2023 28 Feb 2023 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Mar 2023 28 Feb 2023 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 23 Feb 2023 21 Feb 2023
3 Open 3 document View SEC filing for 3 FORM 3 17 Feb 2023 08 Feb 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NGS 13G/A 14 Feb 2023 005-78868
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Feb 2023 08 Feb 2023 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 10 Feb 2023 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 09 Feb 2023 005-78868
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K CFO RESIGNATION 25 Jan 2023 24 Jan 2023 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Jan 2023 18 Jan 2023 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Jan 2023 17 Jan 2023 001-31398
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT TO FORM SC 13D 11 Jan 2023 005-78868
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2023 29 Dec 2022
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT TO FORM SC 13D 30 Dec 2022 005-78868
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Dec 2022 21 Dec 2022 001-31398
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 23 Dec 2022 005-78868
4 Open 4 document View SEC filing for 4 FORM 4 19 Dec 2022 08 Jun 2017
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Dec 2022 12 Dec 2022 001-31398
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT TO FORM SC 13D 09 Dec 2022 005-78868
4 Open 4 document View SEC filing for 4 FORM 4 08 Dec 2022 01 Dec 2022
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 28 Nov 2022 005-78868
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Nov 2022 15 Nov 2022 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Nov 2022 14 Nov 2022 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2022 30 Sep 2022 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Nov 2022 09 Nov 2022 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 16 Aug 2022 15 Aug 2022
4 Open 4 document View SEC filing for 4 FORM 4 16 Aug 2022 15 Aug 2022
4 Open 4 document View SEC filing for 4 FORM 4 16 Aug 2022 15 Aug 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT ON FORM 10-Q FOR THE PERIOD ENDED JUNE 30, 2022 15 Aug 2022 30 Jun 2022 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT ON FORM 8-K 15 Aug 2022 15 Aug 2022 001-31398
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A HL&B AUDITOR APPOINTMENT 25 Jul 2022 21 Jul 2022 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K ELECTRIFICATION PRESS RELEASE 25 Jul 2022 20 Jul 2022 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Jul 2022 21 Jul 2022 001-31398
S-8 Open S-8 document View SEC filing for S-8 S-8 12 Jul 2022 333-266100
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Jun 2022 16 Jun 2022 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 21 Jun 2022 17 Jun 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Jun 2022 09 Jun 2022 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 13 Jun 2022 09 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 08 Jun 2022 07 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 08 Jun 2022 07 Jun 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Jun 2022 26 May 2022 001-31398
SD Open SD document View SEC filing for SD SD 02 Jun 2022 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 01 Jun 2022 27 May 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 May 2022 17 May 2022 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 18 May 2022 31 Dec 2021 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 May 2022 16 May 2022 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 16 May 2022 31 Mar 2022 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 May 2022 26 Apr 2022 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 02 May 2022 28 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 02 May 2022 28 Apr 2022
10-K/A Open 10-K/A document View SEC filing for 10-K/A 10-K/A 29 Apr 2022 31 Dec 2021 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 28 Apr 2022 26 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 28 Apr 2022 26 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 28 Apr 2022 26 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 28 Apr 2022 26 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 12 Apr 2022 11 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2022 01 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 31 Mar 2022 29 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 31 Mar 2022 29 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 31 Mar 2022 29 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 22 Mar 2022 18 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 22 Mar 2022 18 Mar 2022
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 18 Mar 2022 31 Dec 2021 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 17 Mar 2022 17 Mar 2022 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Mar 2022 005-78868
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2022 01 Mar 2022
SC 13G Open SC 13G document View SEC filing for SC 13G NEURO ONE 13G 11 Feb 2022 005-78868
SC 13G Open SC 13G document View SEC filing for SC 13G NATURAL GAS 13G 11 Feb 2022 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 09 Feb 2022 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 08 Feb 2022 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 02 Feb 2022 005-78868
EFFECT Open EFFECT document View SEC filing for EFFECT 15 Dec 2021 333-261091
CORRESP Open CORRESP document View SEC filing for CORRESP 13 Dec 2021
S-3/A Open S-3/A document View SEC filing for S-3/A S-3/A 09 Dec 2021 333-261091
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 29 Nov 2021
S-3 Open S-3 document View SEC filing for S-3 S-3 16 Nov 2021 333-261091
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Nov 2021 30 Sep 2021 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Nov 2021 11 Nov 2021 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 07 Oct 2021 06 Oct 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Oct 2021 30 Sep 2021 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 14 Sep 2021 14 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 30 Aug 2021 26 Aug 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 16 Aug 2021 30 Jun 2021 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Aug 2021 11 Aug 2021 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 22 Jun 2021 17 Jun 2021 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Jun 2021 17 Jun 2021
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 11 Jun 2021 001-31398
SD Open SD document View SEC filing for SD SD 01 Jun 2021 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 May 2021 31 Mar 2021 001-31398
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 14 May 2021 11 May 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 May 2021 13 May 2021 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 May 2021 11 May 2021 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Apr 2021 28 Apr 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Apr 2021 28 Apr 2021
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 30 Apr 2021 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 30 Apr 2021 31 Dec 2020 001-31398
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 15 Apr 2021 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Apr 2021 01 Apr 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Apr 2021 05 Apr 2021 001-31398
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 05 Apr 2021 01 Apr 2021
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 02 Apr 2021 29 Mar 2021
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 02 Apr 2021 18 Mar 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Mar 2021 29 Mar 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Mar 2021 29 Mar 2021
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 31 Mar 2021 31 Dec 2020 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 30 Mar 2021 30 Mar 2021 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Mar 2021 18 Mar 2021 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Mar 2021 18 Mar 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Mar 2021 18 Mar 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Mar 2021 18 Mar 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Mar 2021 18 Mar 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Mar 2021 18 Mar 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Mar 2021 18 Mar 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2021 15 Mar 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2021 15 Mar 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 18 Feb 2021 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 12 Feb 2021 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 11 Feb 2021 005-78868
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Feb 2021 04 Feb 2021 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 08 Feb 2021 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 04 Feb 2021 005-78868
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 05 Jan 2021 04 Jan 2021
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 04 Jan 2021 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2021 31 Dec 2020
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Dec 2020 29 Dec 2020 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Dec 2020 09 Dec 2020 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Dec 2020 10 Dec 2020
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Nov 2020 17 Nov 2020 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 16 Nov 2020 30 Sep 2020 001-31398
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 05 Nov 2020 30 Sep 2020 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Oct 2020 23 Oct 2020 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Oct 2020 15 Oct 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2020 01 Oct 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2020 30 Sep 2020
8-K Open 8-K document View SEC filing for 8-K 8-K 19 Aug 2020 13 Aug 2020 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 18 Aug 2020 18 Aug 2020 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 17 Aug 2020 30 Jun 2020 001-31398
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 06 Aug 2020 06 Aug 2020 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 05 Aug 2020 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Jul 2020 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jul 2020 30 Jun 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Jun 2020 10 Jun 2020
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 22 Jun 2020 10 Jun 2020
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 15 Jun 2020 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 15 Jun 2020 31 Dec 2019 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Jun 2020 04 Jun 2020 001-31398
SD Open SD document View SEC filing for SD SD 29 May 2020 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 27 May 2020 22 May 2020 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 May 2020 31 Mar 2020 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 11 May 2020 07 May 2020 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 04 May 2020 28 Apr 2020 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Apr 2020 28 Apr 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Apr 2020 28 Apr 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Apr 2020 28 Apr 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Apr 2020 28 Apr 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Apr 2020 28 Apr 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Apr 2020 28 Apr 2020
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Apr 2020 29 Apr 2020 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 16 Apr 2020 10 Apr 2020 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 01 Apr 2020 01 Apr 2020 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Mar 2020 31 Mar 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Mar 2020 29 Mar 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Mar 2020 29 Mar 2020
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 31 Mar 2020 31 Dec 2019 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Mar 2020 23 Mar 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Mar 2020 15 Mar 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Mar 2020 15 Mar 2020
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NT 10-K 13 Mar 2020 31 Dec 2019 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Feb 2020 14 Feb 2020
SC 13G Open SC 13G document View SEC filing for SC 13G 13 Feb 2020 005-78868
SC 13G Open SC 13G document View SEC filing for SC 13G 12 Feb 2020 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 12 Feb 2020 005-78868
SC 13G Open SC 13G document View SEC filing for SC 13G 07 Feb 2020 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 05 Feb 2020 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 03 Feb 2020 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jan 2020 31 Dec 2019
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 06 Dec 2019 16 Nov 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Nov 2019 15 Nov 2019
8-K Open 8-K document View SEC filing for 8-K 8-K 19 Nov 2019 19 Nov 2019 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Nov 2019 30 Sep 2019 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Nov 2019 06 Nov 2019 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2019 30 Sep 2019
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 19 Sep 2019 005-78868
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Aug 2019 07 Aug 2019 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Aug 2019 30 Jun 2019 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2019 30 Jun 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jul 2019 28 Jun 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jul 2019 28 Jun 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jul 2019 28 Jun 2019
S-8 Open S-8 document View SEC filing for S-8 S-8 21 Jun 2019 333-232269
8-K Open 8-K document View SEC filing for 8-K 8-K 21 Jun 2019 21 Jun 2019 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 12 Jun 2019 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jun 2019 04 Jun 2019
SD Open SD document View SEC filing for SD SD 30 May 2019 001-31398
8-K Open 8-K document View SEC filing for 8-K 10 May 2019 09 May 2019 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 May 2019 10 May 2019 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 02 May 2019 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 30 Apr 2019 31 Dec 2018 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Apr 2019 22 Apr 2019
10-K/A Open 10-K/A document View SEC filing for 10-K/A 10-K/A 23 Apr 2019 31 Dec 2018 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Apr 2019 08 Apr 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2019 29 Mar 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2019 29 Mar 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2019 29 Mar 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2019 29 Mar 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Apr 2019 31 Mar 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Apr 2019 28 Mar 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2019 23 Mar 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2019 23 Mar 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2019 15 Mar 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2019 15 Mar 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2019 15 Mar 2019
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 18 Mar 2019 31 Dec 2018 001-31398
8-K Open 8-K document View SEC filing for 8-K 18 Mar 2019 18 Mar 2019 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ANNUAL AMENDMENT 18 Mar 2019 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Feb 2019 14 Feb 2019
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 08 Feb 2019 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Feb 2019 05 Feb 2019
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 06 Feb 2019 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Feb 2019 31 Jan 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Jan 2019 28 Jan 2019
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 30 Jan 2019 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Jan 2019 23 Jan 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Jan 2019 17 Jan 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Jan 2019 08 Jan 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jan 2019 31 Dec 2018
EFFECT Open EFFECT document View SEC filing for EFFECT 06 Dec 2018 333-228350
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Dec 2018
S-3/A Open S-3/A document View SEC filing for S-3/A S-3ASR 28 Nov 2018 333-228350
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 23 Nov 2018
S-3 Open S-3 document View SEC filing for S-3 S-3 13 Nov 2018 333-228350
8-K Open 8-K document View SEC filing for 8-K 09 Nov 2018 09 Nov 2018 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Nov 2018 30 Sep 2018 001-31398
SC 13G Open SC 13G document View SEC filing for SC 13G 06 Nov 2018 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2018 30 Sep 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2018 06 Sep 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Aug 2018 29 Aug 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Aug 2018 23 Aug 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Aug 2018 21 Aug 2018
8-K Open 8-K document View SEC filing for 8-K 8-K 09 Aug 2018 09 Aug 2018 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2018 30 Jun 2018 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jul 2018 30 Jun 2018
8-K Open 8-K document View SEC filing for 8-K 8-K 27 Jun 2018 27 Jun 2018 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jun 2018 01 Jun 2018
SD Open SD document View SEC filing for SD SD 29 May 2018 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 10 May 2018 10 May 2018 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 May 2018 31 Mar 2018 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 01 May 2018 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 30 Apr 2018 31 Dec 2017 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Apr 2018 06 Apr 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Apr 2018 06 Apr 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Apr 2018 31 Mar 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Mar 2018 28 Mar 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2018 23 Mar 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2018 23 Mar 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2018 23 Mar 2018
8-K Open 8-K document View SEC filing for 8-K 8-K 20 Mar 2018 20 Mar 2018 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2018 15 Mar 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2018 15 Mar 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2018 15 Mar 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2018 15 Mar 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2018 15 Mar 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2018 15 Mar 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2018 15 Mar 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Mar 2018 13 Mar 2018
8-K Open 8-K document View SEC filing for 8-K 8-K 09 Mar 2018 09 Mar 2018 001-31398
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 09 Mar 2018 31 Dec 2017 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Feb 2018 14 Feb 2018
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 09 Feb 2018 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 07 Feb 2018 005-78868
SC 13G Open SC 13G document View SEC filing for SC 13G 05 Feb 2018 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2018 25 Jan 2018
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 26 Jan 2018 23 Jan 2018
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 26 Jan 2018 17 Jan 2018
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 25 Jan 2018 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jan 2018 22 Jan 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jan 2018 12 Jan 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Jan 2018 06 Jan 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Dec 2017 27 Dec 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Dec 2017 21 Dec 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Dec 2017 19 Dec 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Dec 2017 19 Dec 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Dec 2017 11 Dec 2017
8-K Open 8-K document View SEC filing for 8-K 8-K 05 Dec 2017 05 Dec 2017 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Nov 2017 30 Sep 2017 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 03 Nov 2017 03 Nov 2017 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Oct 2017 03 Oct 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Sep 2017 26 Sep 2017
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Sep 2017 31 Aug 2017 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Aug 2017 03 Aug 2017 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 Aug 2017 30 Jun 2017 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2017 30 Jun 2017
8-K Open 8-K document View SEC filing for 8-K 8-K 21 Jun 2017 21 Jun 2017 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Jun 2017 20 Jun 2017
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 12 Jun 2017 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 08 Jun 2017 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jun 2017 05 Jun 2017
SD Open SD document View SEC filing for SD SD 31 May 2017 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 05 May 2017 05 May 2017 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 May 2017 31 Mar 2017 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 May 2017 02 May 2017
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 01 May 2017 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 01 May 2017 31 Dec 2016 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Apr 2017 06 Jan 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Apr 2017 11 Apr 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Apr 2017 11 Apr 2017
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Mar 2017 23 Mar 2017 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2017 23 Mar 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2017 23 Mar 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2017 23 Mar 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2017 23 Mar 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2017 23 Mar 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2017 23 Mar 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Mar 2017 06 Jan 2017
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 15 Mar 2017 14 Feb 2017
8-K Open 8-K document View SEC filing for 8-K 8-K 10 Mar 2017 10 Mar 2017 001-31398
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 10 Mar 2017 31 Dec 2016 001-31398
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 06 Mar 2017
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Mar 2017
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 02 Mar 2017
8-K Open 8-K document View SEC filing for 8-K 8-K 21 Feb 2017 14 Feb 2017 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Feb 2017 14 Feb 2017
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 14 Feb 2017 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 09 Feb 2017 005-78868
SC 13G Open SC 13G document View SEC filing for SC 13G 07 Feb 2017 005-78868
CORRESP Open CORRESP document View SEC filing for CORRESP 30 Jan 2017
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 25 Jan 2017 005-78868
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Jan 2017 11 Jan 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2017 03 Jan 2017
CORRESP Open CORRESP document View SEC filing for CORRESP 05 Jan 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2017 29 Dec 2016
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 27 Dec 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Dec 2016 09 Dec 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Nov 2016 22 Nov 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Nov 2016 17 Nov 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Nov 2016 11 Nov 2016
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Nov 2016 04 Nov 2016 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 Nov 2016 30 Sep 2016 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 05 Aug 2016 05 Aug 2016 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Aug 2016 30 Jun 2016 001-31398
S-8 Open S-8 document View SEC filing for S-8 S-8 06 Jul 2016 333-212411
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jun 2016 23 Jun 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jun 2016 23 Jun 2016
8-K Open 8-K document View SEC filing for 8-K 8-K 21 Jun 2016 21 Jun 2016 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 08 Jun 2016 001-31398
SD Open SD document View SEC filing for SD SD 27 May 2016 001-31398
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2016 18 Jan 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2016 30 Jun 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2016 14 Sep 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2016 30 Jun 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2016 19 Mar 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2016 19 Mar 2016
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 May 2016 31 Mar 2016 001-31398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 May 2016 06 May 2016 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 03 May 2016 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 02 May 2016 02 May 2016 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 29 Apr 2016 16 Jun 2016 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 13 Apr 2016 13 Apr 2016 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Apr 2016 06 Apr 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Apr 2016 06 Apr 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Apr 2016 06 Apr 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Apr 2016 06 Apr 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Apr 2016 06 Apr 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Apr 2016 06 Apr 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Mar 2016 22 Mar 2016
8-K Open 8-K document View SEC filing for 8-K 8-K 11 Mar 2016 11 Mar 2016 001-31398
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 11 Mar 2016 31 Dec 2015 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 09 Feb 2016 005-78868
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 09 Feb 2016 06 Jan 2016
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 09 Feb 2016 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 27 Jan 2016 005-78868
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jan 2016 04 Dec 2015
8-K Open 8-K document View SEC filing for 8-K 8-K 08 Jan 2016 06 Jan 2016 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2016 06 Jan 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Dec 2015 18 Dec 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Dec 2015 17 Dec 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Dec 2015 15 Dec 2015
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Nov 2015 05 Nov 2015 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Nov 2015 30 Sep 2015 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Aug 2015 06 Aug 2015 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Aug 2015 30 Jun 2015 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jul 2015 30 Jun 2015
8-K Open 8-K document View SEC filing for 8-K 8-K 24 Jun 2015 18 Jun 2015 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Jun 2015 19 Jun 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Jun 2015 17 Jun 2015
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 15 Jun 2015 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Jun 2015 10 Jun 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Jun 2015 23 Jan 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Jun 2015 31 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Jun 2015 25 Jan 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Jun 2015 25 Jan 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Jun 2015 31 Mar 2015
SD Open SD document View SEC filing for SD SD 29 May 2015 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 May 2015 31 Mar 2015 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 07 May 2015 07 May 2015 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 30 Apr 2015 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 30 Apr 2015 31 Dec 2014 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Apr 2015 27 Apr 2015 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Apr 2015 30 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2015 31 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Mar 2015 27 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Mar 2015 24 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Mar 2015 24 Mar 2015
8-K Open 8-K document View SEC filing for 8-K 8-K 25 Mar 2015 19 Mar 2015 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Mar 2015 19 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Mar 2015 19 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Mar 2015 19 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Mar 2015 19 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Mar 2015 19 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Mar 2015 19 Mar 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Mar 2015 18 Mar 2015
8-K Open 8-K document View SEC filing for 8-K 8-K 16 Mar 2015 13 Mar 2015 001-31398
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 13 Mar 2015 31 Dec 2014 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 12 Feb 2015 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 05 Feb 2015 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 30 Jan 2015 005-78868
8-K Open 8-K document View SEC filing for 8-K 8-K 20 Jan 2015 20 Jan 2015 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Jan 2015 16 Jan 2015
8-K Open 8-K document View SEC filing for 8-K 8-K 24 Nov 2014 24 Nov 2014 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Nov 2014 30 Sep 2014 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Nov 2014 06 Nov 2014 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Aug 2014 30 Jun 2014 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Aug 2014 07 Aug 2014 001-31398
S-8 Open S-8 document View SEC filing for S-8 S-8 06 Jun 2014 333-196578
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Jun 2014 03 Jun 2014 001-31398
SD Open SD document View SEC filing for SD SD 02 Jun 2014 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 30 May 2014 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 06 May 2014 06 May 2014 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 May 2014 31 Mar 2014 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 25 Apr 2014 25 Apr 2014 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 23 Apr 2014 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 22 Apr 2014 31 Dec 2013 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 26 Mar 2014 20 Mar 2014 001-31398
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Mar 2014 20 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Mar 2014 20 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Mar 2014 20 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Mar 2014 20 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Mar 2014 20 Mar 2014
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Mar 2014 20 Mar 2014
8-K Open 8-K document View SEC filing for 8-K 8-K 14 Mar 2014 13 Mar 2014 001-31398
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 14 Mar 2014 31 Dec 2013 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 13 Feb 2014 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 10 Feb 2014 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 30 Jan 2014 005-78868
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Jan 2014 29 Jan 2014 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 28 Jan 2014 005-78868
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Jan 2014 23 Jan 2014
5 Open 5 document View SEC filing for 5 MAIN DOCUMENT DESCRIPTION 21 Jan 2014 31 Dec 2013
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Dec 2013 05 Dec 2013
8-K Open 8-K document View SEC filing for 8-K 8-K 08 Nov 2013 08 Nov 2013 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Nov 2013 30 Sep 2013 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 25 Oct 2013 23 Oct 2013 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 05 Sep 2013 05 Sep 2013
8-K Open 8-K document View SEC filing for 8-K 8-K 09 Aug 2013 09 Aug 2013 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2013 30 Jun 2013 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 18 Jun 2013 12 Jun 2013 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 16 May 2013 14 May 2013
8-K Open 8-K document View SEC filing for 8-K 8-K 14 May 2013 09 May 2013 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 May 2013 31 Mar 2013 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 07 May 2013 06 May 2013 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 02 May 2013 30 Apr 2013
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 01 May 2013 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 29 Apr 2013 12 Jun 2013 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 26 Mar 2013 21 Mar 2013 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Mar 2013 21 Mar 2013
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Mar 2013 21 Mar 2013
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Mar 2013 21 Mar 2013
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Mar 2013 21 Mar 2013
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Mar 2013 21 Mar 2013
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Mar 2013 21 Mar 2013
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 20 Mar 2013 18 Mar 2013
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 15 Mar 2013 31 Dec 2012 001-31398
8-K Open 8-K document View SEC filing for 8-K 8-K 14 Mar 2013 13 Mar 2013 001-31398
EFFECT Open EFFECT document View SEC filing for EFFECT 15 Feb 2013 333-184672
8-K Open 8-K document View SEC filing for 8-K 8-K 14 Feb 2013 14 Feb 2013 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 13 Feb 2013 005-78868
CORRESP Open CORRESP document View SEC filing for CORRESP 12 Feb 2013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 11 Feb 2013 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 07 Feb 2013 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 05 Feb 2013 005-78868
S-3/A Open S-3/A document View SEC filing for S-3/A AMENDMENT NO. 1 TO FORM S-3 28 Jan 2013 333-184672
SC 13G Open SC 13G document View SEC filing for SC 13G 17 Jan 2013 005-78868
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 15 Jan 2013 30 Jul 2012
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 03 Jan 2013 31 Dec 2012
8-K Open 8-K document View SEC filing for 8-K 8-K 18 Dec 2012 18 Dec 2012 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 14 Dec 2012 12 Dec 2012
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 14 Dec 2012 12 Dec 2012
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 04 Dec 2012 03 Dec 2012
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Nov 2012
8-K Open 8-K document View SEC filing for 8-K 8-K Q3 2012 09 Nov 2012 08 Nov 2012 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Nov 2012 30 Sep 2012 001-31398
S-3 Open S-3 document View SEC filing for S-3 FORM S-3 31 Oct 2012 333-184672
8-K Open 8-K document View SEC filing for 8-K 8-K OCT 2012 LAWRENCE COMP INCREASE 11 Oct 2012 06 Oct 2012 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 2012 6.30 10-Q 08 Aug 2012 30 Jun 2012 001-31398
8-K Open 8-K document View SEC filing for 8-K Q2 2012 EARNINGS 8-K 07 Aug 2012 07 Aug 2012 001-31398
8-K Open 8-K document View SEC filing for 8-K 15 Jun 2012 14 Jun 2012 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 22 May 2012 21 May 2012
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 10 May 2012 10 May 2012 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10 May 2012 10 May 2012 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 30 Apr 2012 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A NGSG 2011 PROXY 27 Apr 2012 16 Apr 2012 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 30 Mar 2012 28 Mar 2012
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 30 Mar 2012 28 Mar 2012
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 30 Mar 2012 28 Mar 2012
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 30 Mar 2012 28 Mar 2012
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Mar 2012 28 Mar 2012
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K NGSG 2011 FORM 10-K 14 Mar 2012 31 Dec 2011 001-31398
8-K Open 8-K document View SEC filing for 8-K NGSG 4TH QUARTER EARNINGS RELEASE 2011 08 Mar 2012 08 Mar 2012 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 14 Feb 2012 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 14 Feb 2012 005-78868
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SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 07 Feb 2012 005-78868
4/A Open 4/A document View SEC filing for 4/A MAIN DOCUMENT DESCRIPTION 02 Feb 2012 25 Jan 2012
4/A Open 4/A document View SEC filing for 4/A MAIN DOCUMENT DESCRIPTION 02 Feb 2012 25 Jan 2012
8-K Open 8-K document View SEC filing for 8-K 8-K 2012 COMPENSATION 31 Jan 2012 25 Jan 2012 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 27 Jan 2012 25 Jan 2012
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 27 Jan 2012 25 Jan 2012
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 27 Jan 2012 25 Jan 2012
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8-K 09 Jan 2012 03 Jan 2012 001-31398
3 Open 3 document View SEC filing for 3 MAIN DOCUMENT DESCRIPTION 20 Dec 2011 14 Dec 2011
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8K - DIRECTOR APPOINTMENT 20 Dec 2011 19 Dec 2011 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8-K 14 Nov 2011 08 Nov 2011 001-31398
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q NGS FORM 10-Q 9.30.11 09 Nov 2011 30 Sep 2011 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8-K 06 Sep 2011 02 Sep 2011 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Aug 2011 23 Aug 2011
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q NGS FORM 10-Q 06.30.11 09 Aug 2011 30 Jun 2011 001-31398
8-K/A Open 8-K/A document View SEC filing for 8-K/A NGS AMENDED FORM 8-K 08 Aug 2011 08 Aug 2011 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8-K 05 Aug 2011 04 Aug 2011 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8-K 01 Aug 2011 29 Jul 2011 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 01 Aug 2011 29 Jul 2011
3 Open 3 document View SEC filing for 3 MAIN DOCUMENT DESCRIPTION 20 Jun 2011 14 Jun 2011
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8-K 20 Jun 2011 14 Jun 2011 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 17 Jun 2011 15 Jun 2011
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 17 Jun 2011 15 Jun 2011
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A DOC ONE 10 Jun 2011 005-78868
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8-K 10 May 2011 31 Mar 2011 001-31398
10-Q Open 10-Q document View SEC filing for 10-Q NGS FORM 10-Q 10 May 2011 31 Mar 2011 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 02 May 2011 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A 2011 PROXY STATEMENT 29 Apr 2011 29 Apr 2011 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 13 Apr 2011 11 Apr 2011
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 13 Apr 2011 11 Apr 2011
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 13 Apr 2011 11 Apr 2011
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 13 Apr 2011 11 Apr 2011
4 Open 4 document View SEC filing for 4 13 Apr 2011 11 Apr 2011
10-K Open 10-K document View SEC filing for 10-K FORM 10-K EOY 12/31/2010 10 Mar 2011 31 Dec 2010 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8-K 02 Mar 2011 31 Dec 2010 001-31398
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A DOC ONE 14 Feb 2011 005-78868
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 11 Feb 2011 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Feb 2011 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Feb 2011 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 07 Feb 2011 005-78868
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4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 31 Jan 2011 27 Jan 2011
3 Open 3 document View SEC filing for 3 MAIN DOCUMENT DESCRIPTION 28 Jan 2011 24 Jan 2011
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8-K, RESTRICTED SHARES AWARDED 28 Jan 2011 28 Jan 2011 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 26 Jan 2011 24 Jan 2011
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 26 Jan 2011 24 Jan 2011
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 24 Jan 2011
CORRESP Open CORRESP document View SEC filing for CORRESP 24 Jan 2011
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 10 Jan 2011 06 Jan 2011
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 29 Dec 2010 28 Dec 2010
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Dec 2010
4/A Open 4/A document View SEC filing for 4/A MAIN DOCUMENT DESCRIPTION 16 Dec 2010 13 Dec 2010
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 16 Dec 2010 14 Dec 2010
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8-K 16 Dec 2010 10 Dec 2010 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 16 Dec 2010 14 Dec 2010
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 15 Dec 2010 13 Oct 2010
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 14 Dec 2010
10-Q Open 10-Q document View SEC filing for 10-Q NGS THIRD QUARTER 2010 FORM 10-Q 03 Nov 2010 30 Sep 2010 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS EARNINGS RELEASE FORM 8-K 03 Nov 2010 30 Sep 2010 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8-K 28 Sep 2010 22 Sep 2010 001-31398
10-Q Open 10-Q document View SEC filing for 10-Q NGS FORM 10-Q/2ND QUARTER FINANCIALS ENDED 6-30-2010 05 Aug 2010 30 Jun 2010 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS Q-2 EARNINGS RELEASE 2010 05 Aug 2010 30 Jun 2010 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS EXPIRATION OF LINE OF CREDIT 07 Jul 2010 07 Jul 2010 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS ANNUAL VOTE RESULTS & AL BAKER RETIREMENT 18 Jun 2010 18 Jun 2010 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 16 Jun 2010 15 Jun 2010
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 15 Jun 2010 11 Jun 2010
10-Q Open 10-Q document View SEC filing for 10-Q NGS Q-1 ENDING 3-31-2010 10 May 2010 31 Mar 2010 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS 8-K TO EARNINGS RELEASE Q-1 2010 10 May 2010 31 Mar 2010 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS-WNB EXTENTION OF LINE OF CREDIT 06 May 2010 06 May 2010 001-31398
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 30 Apr 2010 001-31398
DEF 14A Open DEF 14A document View SEC filing for DEF 14A NGS DEFINITIVE PROXY STATEMENT 4-29-2010 30 Apr 2010 29 Apr 2010 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS CHANGE OF CERTIFYING ACCOUNTANTS 19 Apr 2010 19 Apr 2010 001-31398
4 Open 4 document View SEC filing for 4 25 Mar 2010 23 Mar 2010
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Mar 2010 23 Mar 2010
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Mar 2010 23 Mar 2010
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Mar 2010 23 Mar 2010
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Mar 2010 23 Mar 2010
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Mar 2010 23 Mar 2010
10-K Open 10-K document View SEC filing for 10-K NGS Q4/EOY2009 FINANCIAL RESULTS 04 Mar 2010 31 Dec 2009 001-31398
8-K Open 8-K document View SEC filing for 8-K NGS FORM 8-K FOR Q-4/EOY 2009 04 Mar 2010 31 Dec 2009 001-31398
SC 13G Open SC 13G document View SEC filing for SC 13G 17 Feb 2010 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A DOC ONE 16 Feb 2010 005-78868
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 4 12 Feb 2010 005-78868
SC 13G Open SC 13G document View SEC filing for SC 13G 29 Jan 2010 005-78868
8-K Open 8-K document View SEC filing for 8-K ST STOCK AWARDS 1-18-2010 22 Jan 2010 21 Jan 2010 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 20 Jan 2010 18 Jan 2010
8-K Open 8-K document View SEC filing for 8-K NGS RESTRICTED STOCK AWARDS 1-4-2010 08 Jan 2010 08 Jan 2010 001-31398
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 06 Jan 2010 04 Jan 2010
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 06 Jan 2010 04 Jan 2010
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 06 Jan 2010 04 Jan 2010

About this filer

NATURAL GAS SERVICES GROUP INC files with the SEC under CIK 0001084991. This page aggregates EDGAR filings and related ownership activity.

Industry: Oil & Gas Field Services, Nec.

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.
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Updates follow new EDGAR submissions and periodic data refreshes.

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