Natural Gas Services Group Inc SEC filings NGS
Natural Gas Services Group Inc has 1,000 filings in SEC EDGAR's recent list, going back to May 8, 2007. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Apr 29, 2026. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 12, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Sep 3, 2026 | Sep 2, 2026 |
| 4/A | Primary document | Sep 3, 2026 | Jun 8, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 3 | Initial insider ownership | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 9, 2026 | Jun 8, 2026 |
| 4 | Insider transaction | Jun 9, 2026 | Jun 8, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Apr 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 4, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 28, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 16, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 9, 2026 | Mar 5, 2026 |
| 144 | Notice of proposed sale | Mar 6, 2026 | — |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 144 | Notice of proposed sale | Mar 5, 2026 | — |
| 4 | Insider transaction | Feb 3, 2026 | Feb 3, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 30, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 26, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 7, 2026 | — |
| 4 | Insider transaction | Dec 30, 2025 | Dec 30, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 10, 2025 |
| 144 | Notice of proposed sale | Dec 11, 2025 | — |
| 144 | Notice of proposed sale | Dec 10, 2025 | — |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 4, 2025 |
| 144 | Notice of proposed sale | Dec 4, 2025 | — |
| 4 | Insider transaction | Nov 20, 2025 | Nov 19, 2025 |
| 144 | Notice of proposed sale | Nov 20, 2025 | — |
| 144 | Notice of proposed sale | Nov 19, 2025 | — |
| 4 | Insider transaction | Nov 18, 2025 | Nov 17, 2025 |
| 144 | Notice of proposed sale | Nov 17, 2025 | — |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| 144 | Notice of proposed sale | Nov 10, 2025 | — |
| 4 | Insider transaction | Nov 7, 2025 | Nov 6, 2025 |
| 144 | Notice of proposed sale | Nov 7, 2025 | — |
| 144 | Notice of proposed sale | Nov 6, 2025 | — |
| 4 | Insider transaction | Nov 3, 2025 | Nov 3, 2025 |
| 4 | Insider transaction | Nov 3, 2025 | Nov 3, 2025 |
| 4 | Insider transaction | Oct 10, 2025 | Oct 9, 2025 |
| 4 | Insider transaction | Sep 26, 2025 | Sep 26, 2025 |
| 144 | Notice of proposed sale | Sep 26, 2025 | — |
| 4 | Insider transaction | Sep 25, 2025 | Sep 25, 2025 |
| 144 | Notice of proposed sale | Sep 25, 2025 | — |
| 4 | Insider transaction | Sep 24, 2025 | Sep 24, 2025 |
| 144 | Notice of proposed sale | Sep 24, 2025 | — |
| 4 | Insider transaction | Sep 23, 2025 | Sep 23, 2025 |
| 144 | Notice of proposed sale | Sep 23, 2025 | — |
| 4 | Insider transaction | Sep 19, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 18, 2025 | Sep 18, 2025 |
| 4 | Insider transaction | Sep 17, 2025 | Sep 17, 2025 |
| 4 | Insider transaction | Sep 16, 2025 | Sep 16, 2025 |
| 144 | Notice of proposed sale | Sep 16, 2025 | — |
| 4 | Insider transaction | Sep 15, 2025 | Sep 15, 2025 |
| 144 | Notice of proposed sale | Sep 4, 2025 | — |
| 4 | Insider transaction | Sep 4, 2025 | Sep 4, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 4, 2025 |
| 4 | Insider transaction | Aug 25, 2025 | Aug 8, 2025 |
| 4 | Insider transaction | Aug 25, 2025 | Aug 8, 2025 |
| 144 | Notice of proposed sale | Aug 22, 2025 | — |
| 4 | Insider transaction | Aug 22, 2025 | Aug 22, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 14, 2025 |
| 4/A | Primary document | Jun 17, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 144 | Notice of proposed sale | May 15, 2025 | — |
| 4 | Insider transaction | Apr 24, 2025 | Apr 22, 2025 |
| 4 | Insider transaction | Apr 8, 2025 | Oct 28, 2024 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 3 | Initial insider ownership | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Mar 17, 2025 | Mar 13, 2025 |
| 4 | Insider transaction | Mar 17, 2025 | Mar 13, 2025 |
| 4 | Insider transaction | Jan 30, 2025 | Jan 29, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 23, 2025 | — |
| 4 | Insider transaction | Jan 22, 2025 | Jan 21, 2025 |
| 144 | Notice of proposed sale | Jan 21, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 16, 2025 | — |
| 4 | Insider transaction | Jan 2, 2025 | Dec 30, 2024 |
| 3 | Initial insider ownership | Jan 2, 2025 | Dec 30, 2024 |
| 144 | Notice of proposed sale | Dec 27, 2024 | — |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 13, 2024 | — |
| 144 | Notice of proposed sale | Dec 12, 2024 | — |
| 4 | Insider transaction | Nov 26, 2024 | Nov 22, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 25, 2024 | — |
| SC 13D | Ownership over 5% (active) | Nov 25, 2024 | — |
| 144 | Notice of proposed sale | Nov 25, 2024 | — |
| 4 | Insider transaction | Nov 21, 2024 | Nov 19, 2024 |
| 144 | Notice of proposed sale | Nov 21, 2024 | — |
| 144 | Notice of proposed sale | Nov 20, 2024 | — |
| 4 | Insider transaction | Nov 18, 2024 | Nov 15, 2024 |
| 4/A | Primary document | Nov 15, 2024 | Aug 20, 2024 |
| 144 | Notice of proposed sale | Nov 15, 2024 | — |
| 4/A | Primary document | Nov 13, 2024 | Aug 20, 2024 |
| 4 | Insider transaction | Nov 13, 2024 | Nov 11, 2024 |
| 144 | Notice of proposed sale | Nov 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2024 | — |
| 4 | Insider transaction | Nov 5, 2024 | Nov 1, 2024 |
| 3 | Initial insider ownership | Nov 5, 2024 | Nov 1, 2024 |
| SC 13G | Ownership over 5% (passive) | Oct 22, 2024 | — |
| 4 | Insider transaction | Oct 22, 2024 | Oct 21, 2024 |
| 4 | Insider transaction | Sep 16, 2024 | Sep 13, 2024 |
| 4 | Insider transaction | Aug 28, 2024 | Aug 26, 2024 |
| 144 | Notice of proposed sale | Aug 27, 2024 | — |
| 4 | Insider transaction | Aug 22, 2024 | Aug 20, 2024 |
| 144 | Notice of proposed sale | Aug 20, 2024 | — |
| 4 | Insider transaction | Jul 1, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 13, 2024 |
| 4/A | Primary document | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 8, 2024 | Mar 18, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | Mar 18, 2024 | Mar 14, 2024 |
| 4 | Insider transaction | Mar 7, 2024 | Mar 4, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2024 | — |
| 4 | Insider transaction | Jan 31, 2024 | Jan 29, 2024 |
| 4 | Insider transaction | Oct 30, 2023 | Oct 26, 2023 |
| 3 | Initial insider ownership | Oct 30, 2023 | Oct 26, 2023 |
| 3 | Initial insider ownership | Oct 17, 2023 | Oct 9, 2023 |
| 4 | Insider transaction | Oct 11, 2023 | Oct 9, 2023 |
| 3 | Initial insider ownership | Oct 10, 2023 | Oct 9, 2023 |
| 4 | Insider transaction | Jul 25, 2023 | Jul 21, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 12, 2023 | — |
| 4/A | Primary document | May 15, 2023 | Apr 25, 2023 |
| 4 | Insider transaction | May 11, 2023 | May 9, 2023 |
| 4 | Insider transaction | May 11, 2023 | May 9, 2023 |
| 4 | Insider transaction | May 11, 2023 | May 9, 2023 |
| 4 | Insider transaction | May 11, 2023 | May 9, 2023 |
| 3 | Initial insider ownership | May 8, 2023 | Apr 28, 2023 |
| 4/A | Primary document | May 3, 2023 | Apr 28, 2023 |
| 3 | Initial insider ownership | May 3, 2023 | Apr 28, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | May 3, 2023 | — |
| 4 | Insider transaction | May 2, 2023 | Apr 28, 2023 |
| 4 | Insider transaction | May 2, 2023 | Apr 28, 2023 |
| 4 | Insider transaction | Apr 27, 2023 | Apr 25, 2023 |
| 4 | Insider transaction | Apr 27, 2023 | Apr 25, 2023 |
| 4 | Insider transaction | Mar 22, 2023 | Mar 20, 2023 |
| 4 | Insider transaction | Mar 22, 2023 | Mar 20, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 10, 2023 | — |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 3 | Initial insider ownership | Feb 17, 2023 | Feb 8, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 11, 2023 | — |
| 4 | Insider transaction | Jan 3, 2023 | Dec 29, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 30, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 23, 2022 | — |
| 4 | Insider transaction | Dec 19, 2022 | Jun 8, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 9, 2022 | — |
| 4 | Insider transaction | Dec 8, 2022 | Dec 1, 2022 |
| SC 13D | Ownership over 5% (active) | Nov 28, 2022 | — |
| 4 | Insider transaction | Aug 16, 2022 | Aug 15, 2022 |
| 4 | Insider transaction | Aug 16, 2022 | Aug 15, 2022 |
| 4 | Insider transaction | Aug 16, 2022 | Aug 15, 2022 |
| 4 | Insider transaction | Jun 21, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 13, 2022 | Jun 9, 2022 |
| 4 | Insider transaction | Jun 8, 2022 | Jun 7, 2022 |
| 4 | Insider transaction | Jun 8, 2022 | Jun 7, 2022 |
| 4 | Insider transaction | Jun 1, 2022 | May 27, 2022 |
| 4 | Insider transaction | May 2, 2022 | Apr 28, 2022 |
| 4 | Insider transaction | May 2, 2022 | Apr 28, 2022 |
| 4 | Insider transaction | Apr 28, 2022 | Apr 26, 2022 |
| 4 | Insider transaction | Apr 28, 2022 | Apr 26, 2022 |
| 4 | Insider transaction | Apr 28, 2022 | Apr 26, 2022 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Oil & Gas Field Services, NEC (SIC 1389)
- Listed as
- NGS (NYSE)
- Fiscal year ends
- December 31
- Headquarters
- Midland, TX
- SEC filer status
- Accelerated filer
- SEC CIK
- 1084991
Other Oil & Gas Field Services, NEC companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.