# Natural Gas Services Group Inc: filings

NGS · NYSE · CIK 1084991 · [Energy](/sectors/energy.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/ngs.md) · [Financials](/companies/ngs/financials.md) · [Filings](/companies/ngs/filings.md) · [Insiders](/companies/ngs/insiders.md)

## Reports and events: 307 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 382, 8-K 195, SC 13G/A 57, 10-Q 53, 144 29, DEFA14A 27, 10-K 18, 3 18, DEF 14A 18, 4/A 16, SC 13G 16, CORRESP 13, SD 12, UPLOAD 12, SC 13D/A 8, S-8 7, EFFECT 5, S-3 5, 8-K/A 4, S-3/A 4, SC 13D 4, SCHEDULE 13D/A 4, 10-K/A 3, ARS 3, SCHEDULE 13G/A 3, NT 10-Q 2, 424B3 1, 424B5 1, 5 1, NT 10-K 1, PRE 14A 1, SCHEDULE 13G 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-12 | 11:02 ET | [8-K](/filings/0001084991-26-000086.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001084991-26-000086 |
| 2026-08-10 | 16:03 ET | [8-K/A](/filings/0001084991-26-000081.md) | 9.01 Financial statements and exhibits | 0001084991-26-000081 |
| 2026-08-10 | 16:01 ET | [8-K](/filings/0001084991-26-000080.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001084991-26-000080 |
| 2026-08-10 | 16:00 ET | [10-Q](/filings/0001084991-26-000079.md) | Quarterly report, period 2026-06-30 | 0001084991-26-000079 |
| 2026-07-24 | 15:03 ET | [8-K](/filings/0001084991-26-000070.md) | 1.01 Entry into a material agreement; 3.03 Change to security holders’ rights; 5.03 Amendment to articles or bylaws; 8.01 Other events; 9.01 Financial statements and exhibits | 0001084991-26-000070 |
| 2026-07-10 | 14:01 ET | [8-K](/filings/0001084991-26-000064.md) | 4.01 Change of auditor | 0001084991-26-000064 |
| 2026-07-08 | 16:00 ET | [8-K](/filings/0001084991-26-000061.md) | 7.01 Regulation FD disclosure | 0001084991-26-000061 |
| 2026-06-17 | 17:39 ET | [8-K](/filings/0001084991-26-000058.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001084991-26-000058 |
| 2026-06-15 | 08:51 ET | [8-K](/filings/0001084991-26-000054.md) | 1.01 Entry into a material agreement; 2.01 Completion of an acquisition or disposition; 2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001084991-26-000054 |
| 2026-06-11 | 16:12 ET | [8-K](/filings/0001084991-26-000051.md) | 1.01 Entry into a material agreement; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001084991-26-000051 |
| 2026-05-13 | 14:41 ET | [8-K](/filings/0001084991-26-000047.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure | 0001084991-26-000047 |
| 2026-05-11 | 16:02 ET | [10-Q](/filings/0001084991-26-000043.md) | Quarterly report, period 2026-03-31 | 0001084991-26-000043 |
| 2026-05-11 | 16:00 ET | [8-K](/filings/0001084991-26-000041.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001084991-26-000041 |
| 2026-04-28 | 11:34 ET | [DEF 14A](/filings/0001084991-26-000032.md) | Proxy statement, period 2026-04-28 | 0001084991-26-000032 |
| 2026-03-18 | 16:16 ET | [8-K](/filings/0001084991-26-000020.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001084991-26-000020 |
| 2026-03-16 | 16:10 ET | [8-K](/filings/0001084991-26-000017.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001084991-26-000017 |
| 2026-03-16 | 16:01 ET | [10-K](/filings/0001084991-26-000015.md) | Annual report, period 2025-12-31 | 0001084991-26-000015 |
| 2026-02-09 | 16:00 ET | [8-K](/filings/0001084991-26-000007.md) | 7.01 Regulation FD disclosure; 8.01 Other events | 0001084991-26-000007 |
| 2026-01-27 | 16:00 ET | [8-K](/filings/0001084991-26-000003.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001084991-26-000003 |
| 2026-01-26 | 20:29 ET | [SCHEDULE 13D/A](/filings/0001999371-26-001715.md) | Ownership report, active investor, amended | 0001999371-26-001715 |
| 2026-01-07 | 20:48 ET | [SCHEDULE 13D/A](/filings/0001999371-26-000410.md) | Ownership report, active investor, amended | 0001999371-26-000410 |
| 2025-11-12 | 09:41 ET | [8-K](/filings/0001084991-25-000149.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001084991-25-000149 |
| 2025-11-10 | 16:26 ET | [10-Q](/filings/0001084991-25-000145.md) | Quarterly report, period 2025-09-30 | 0001084991-25-000145 |
| 2025-11-10 | 16:16 ET | [8-K](/filings/0001084991-25-000142.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001084991-25-000142 |
| 2025-08-13 | 17:11 ET | [8-K](/filings/0001084991-25-000116.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001084991-25-000116 |
| 2025-08-11 | 17:12 ET | [8-K](/filings/0001084991-25-000112.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001084991-25-000112 |
| 2025-08-11 | 16:42 ET | [10-Q](/filings/0001084991-25-000110.md) | Quarterly report, period 2025-06-30 | 0001084991-25-000110 |
| 2025-07-30 | 09:25 ET | [8-K](/filings/0001084991-25-000103.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001084991-25-000103 |
| 2025-06-16 | 08:42 ET | [8-K](/filings/0001084991-25-000090.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001084991-25-000090 |
| 2025-06-09 | 14:04 ET | [8-K](/filings/0001084991-25-000080.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results | 0001084991-25-000080 |
| 2025-05-14 | 11:25 ET | [8-K](/filings/0001084991-25-000070.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001084991-25-000070 |
| 2025-05-12 | 16:11 ET | [8-K](/filings/0001084991-25-000067.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001084991-25-000067 |
| 2025-05-12 | 16:06 ET | [10-Q](/filings/0001084991-25-000065.md) | Quarterly report, period 2025-03-31 | 0001084991-25-000065 |
| 2025-04-25 | 15:09 ET | [DEF 14A](/filings/0001084991-25-000049.md) | Proxy statement, period 2024-12-31 | 0001084991-25-000049 |
| 2025-04-22 | 09:26 ET | [8-K](/filings/0001084991-25-000044.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001084991-25-000044 |
| 2025-04-03 | 16:12 ET | [8-K](/filings/0001084991-25-000038.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001084991-25-000038 |
| 2025-03-19 | 17:17 ET | [8-K](/filings/0001084991-25-000032.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure | 0001084991-25-000032 |
| 2025-03-17 | 16:06 ET | [8-K](/filings/0001084991-25-000025.md) | 2.02 Results of operations | 0001084991-25-000025 |
| 2025-03-17 | 16:05 ET | [10-K](/filings/0001084991-25-000024.md) | Annual report, period 2024-12-31 | 0001084991-25-000024 |
| 2025-01-23 | 17:54 ET | [SCHEDULE 13D/A](/filings/0000950170-25-008432.md) | Ownership report, active investor, amended | 0000950170-25-008432 |
| 2025-01-16 | 21:03 ET | [SCHEDULE 13D/A](/filings/0000950170-25-006430.md) | Ownership report, active investor, amended | 0000950170-25-006430 |
| 2024-12-16 | 16:48 ET | [8-K](/filings/0001084991-24-000154.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001084991-24-000154 |
| 2024-12-13 | 18:13 ET | [SC 13D/A](/filings/0001193125-24-278761.md) | Ownership report, active investor, amended | 0001193125-24-278761 |
| 2024-11-25 | 21:19 ET | [SC 13D/A](/filings/0001193125-24-265366.md) | Ownership report, active investor, amended | 0001193125-24-265366 |
| 2024-11-25 | 17:48 ET | [SC 13D](/filings/0001084991-24-000128.md) | Ownership report, active investor | 0001084991-24-000128 |
| 2024-11-15 | 14:44 ET | [8-K](/filings/0001084991-24-000123.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001084991-24-000123 |
| 2024-11-14 | 16:02 ET | [8-K](/filings/0001084991-24-000120.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001084991-24-000120 |
| 2024-11-14 | 16:01 ET | [10-Q](/filings/0001084991-24-000118.md) | Quarterly report, period 2024-09-30 | 0001084991-24-000118 |
| 2024-11-07 | 16:23 ET | [8-K](/filings/0001084991-24-000107.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001084991-24-000107 |
| 2024-11-01 | 14:47 ET | [8-K](/filings/0001084991-24-000102.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure | 0001084991-24-000102 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:02 ET. No prices; not investment advice.