NATURAL GAS SERVICES GROUP INC - NGS
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 113
Latest filed: May 13, 2026
| Form | Count |
|---|---|
| 4 | 63 |
| 8-K | 21 |
| 144 | 19 |
| 6-K | 4 |
| SCHEDULE 13G/A | 3 |
| SCHEDULE 13D/A | 2 |
| SCHEDULE 13G | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| May 13, 2026 | 8-K | May 12, 2026 | 0001084991-26-000047 | View |
| May 11, 2026 | 8-K | May 11, 2026 | 0001084991-26-000041 | View |
| May 04, 2026 | SCHEDULE 13G/A | — | 0001535264-26-000022 | View |
| Apr 28, 2026 | SCHEDULE 13G/A | — | 0001023875-26-000009 | View |
| Mar 27, 2026 | SCHEDULE 13G/A | — | 0000102909-26-001819 | View |
| Mar 18, 2026 | 8-K | Mar 17, 2026 | 0001084991-26-000020 | View |
| Mar 16, 2026 | 4 | Mar 12, 2026 | 0001464667-26-000002 | View |
| Mar 16, 2026 | 4 | Mar 12, 2026 | 0002004802-26-000001 | View |
| Mar 16, 2026 | 8-K | Mar 16, 2026 | 0001084991-26-000017 | View |
| Mar 16, 2026 | 4 | Mar 13, 2026 | 0001464667-26-000003 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001316004-26-000002 | View |
| Mar 06, 2026 | 144 | — | 0001000275-26-000024 | View |
| Mar 06, 2026 | 4 | Mar 04, 2026 | 0001199696-26-000001 | View |
| Mar 06, 2026 | 4 | Mar 04, 2026 | 0001316004-26-000001 | View |
| Mar 05, 2026 | 144 | — | 0001000275-26-000023 | View |
| Mar 03, 2026 | 8-K | Mar 02, 2026 | 0001104659-26-022577 | View |
| Feb 25, 2026 | 8-K | Feb 24, 2026 | 0001530721-26-000018 | View |
| Feb 24, 2026 | 8-K | Feb 23, 2026 | 0001104659-26-018826 | View |
| Feb 20, 2026 | 8-K | Feb 17, 2026 | 0001584509-26-000043 | View |
| Feb 20, 2026 | 4 | Feb 19, 2026 | 0001584509-26-000044 | View |
| Feb 19, 2026 | 8-K | Feb 12, 2026 | 0001104659-26-017585 | View |
| Feb 18, 2026 | 144 | — | 0000950157-26-000161 | View |
| Feb 18, 2026 | 8-K | Feb 18, 2026 | 0001193125-26-056024 | View |
| Feb 17, 2026 | 144 | — | 0000950157-26-000152 | View |
| Feb 13, 2026 | 144 | — | 0001972481-26-000056 | View |
| Feb 13, 2026 | 144 | — | 0001972481-26-000057 | View |
| Feb 10, 2026 | 8-K | Feb 10, 2026 | 0001584509-26-000037 | View |
| Feb 09, 2026 | 8-K | Feb 09, 2026 | 0001668397-26-000004 | View |
| Feb 09, 2026 | 8-K | Feb 09, 2026 | 0001084991-26-000007 | View |
| Feb 06, 2026 | 6-K | Dec 31, 2025 | 0001628280-26-005942 | View |
| Feb 05, 2026 | 8-K | Feb 05, 2026 | 0001489096-26-000020 | View |
| Feb 04, 2026 | 8-K | Feb 03, 2026 | 0001584509-26-000020 | View |
| Feb 04, 2026 | 4 | Feb 03, 2026 | 0001584509-26-000021 | View |
| Feb 04, 2026 | 4 | Feb 03, 2026 | 0001584509-26-000022 | View |
| Feb 04, 2026 | 4 | Feb 03, 2026 | 0001584509-26-000023 | View |
| Feb 04, 2026 | 4 | Feb 03, 2026 | 0001584509-26-000024 | View |
| Feb 04, 2026 | 4 | Feb 03, 2026 | 0001584509-26-000025 | View |
| Feb 04, 2026 | 4 | Feb 03, 2026 | 0001584509-26-000026 | View |
| Feb 04, 2026 | 4 | Feb 03, 2026 | 0001584509-26-000027 | View |
| Feb 04, 2026 | 4 | Feb 03, 2026 | 0001584509-26-000028 | View |
| Feb 04, 2026 | 4 | Feb 03, 2026 | 0001584509-26-000029 | View |
| Feb 04, 2026 | 4 | Feb 02, 2026 | 0001584509-26-000030 | View |
| Feb 03, 2026 | 8-K | Feb 03, 2026 | 0001530721-26-000009 | View |
| Feb 03, 2026 | 4 | Feb 03, 2026 | 0001464667-26-000001 | View |
| Jan 30, 2026 | SCHEDULE 13G | — | 0000102909-26-000232 | View |
| Jan 27, 2026 | 8-K | Jan 23, 2026 | 0001084991-26-000003 | View |
| Jan 26, 2026 | SCHEDULE 13D/A | — | 0001999371-26-001715 | View |
| Jan 20, 2026 | 4 | Jan 16, 2026 | 0001584509-26-000008 | View |
| Jan 15, 2026 | 6-K | Jan 15, 2026 | 0000950157-26-000024 | View |
| Jan 12, 2026 | 4 | Jan 09, 2026 | 0001584509-26-000005 | View |
| Jan 12, 2026 | 4 | Jan 09, 2026 | 0001584509-26-000006 | View |
| Jan 07, 2026 | SCHEDULE 13D/A | — | 0001999371-26-000410 | View |
| Jan 07, 2026 | 4 | Jan 06, 2026 | 0001584509-26-000002 | View |
| Jan 06, 2026 | 6-K | Jan 06, 2026 | 0000950157-26-000009 | View |
| Dec 30, 2025 | 4 | Dec 30, 2025 | 0002004802-25-000003 | View |
| Dec 19, 2025 | 8-K | Dec 17, 2025 | 0001104659-25-123153 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000234 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000235 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000236 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000237 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000238 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000239 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000241 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000242 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000243 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000244 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000245 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000246 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000247 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000248 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000249 | View |
| Dec 18, 2025 | 4 | Dec 17, 2025 | 0001584509-25-000250 | View |
| Dec 12, 2025 | 8-K | Dec 11, 2025 | 0001584509-25-000224 | View |
| Dec 12, 2025 | 144 | — | 0000950157-25-001000 | View |
| Dec 12, 2025 | 4 | Dec 10, 2025 | 0001316004-25-000009 | View |
| Dec 11, 2025 | 144 | — | 0001000275-25-000182 | View |
| Dec 10, 2025 | 144 | — | 0001193125-25-314298 | View |
| Dec 10, 2025 | 4 | Dec 08, 2025 | 0001207300-25-000006 | View |
| Dec 10, 2025 | 144 | — | 0001000275-25-000178 | View |
| Dec 09, 2025 | 144 | — | 0001950047-25-009992 | View |
| Dec 09, 2025 | 4 | Dec 08, 2025 | 0001207300-25-000005 | View |
| Dec 05, 2025 | 144 | — | 0000950157-25-000989 | View |
| Dec 05, 2025 | 4 | Dec 04, 2025 | 0001316004-25-000007 | View |
| Dec 05, 2025 | 4 | Dec 03, 2025 | 0001199696-25-000004 | View |
| Dec 05, 2025 | 4 | Dec 03, 2025 | 0001316004-25-000008 | View |
| Dec 04, 2025 | 4 | Dec 02, 2025 | 0001689847-25-000012 | View |
| Dec 04, 2025 | 4 | Dec 02, 2025 | 0001738789-25-000012 | View |
| Dec 04, 2025 | 4 | Dec 02, 2025 | 0001188262-25-000018 | View |
| Dec 04, 2025 | 4 | Dec 02, 2025 | 0001959251-25-000012 | View |
| Dec 04, 2025 | 4 | Dec 02, 2025 | 0001875451-25-000012 | View |
| Dec 04, 2025 | 4 | Dec 02, 2025 | 0001769488-25-000012 | View |
| Dec 04, 2025 | 144 | — | 0001000275-25-000173 | View |
| Dec 03, 2025 | 4 | Dec 01, 2025 | 0001769488-25-000010 | View |
| Dec 03, 2025 | 4 | Dec 01, 2025 | 0001738789-25-000010 | View |
| Dec 03, 2025 | 4 | Dec 01, 2025 | 0001188262-25-000016 | View |
| Dec 03, 2025 | 4 | Dec 01, 2025 | 0001689847-25-000010 | View |
| Dec 03, 2025 | 4 | Dec 01, 2025 | 0001875451-25-000010 | View |
| Dec 03, 2025 | 4 | Dec 01, 2025 | 0001959251-25-000010 | View |
| Dec 03, 2025 | 6-K | Dec 03, 2025 | 0000950157-25-000979 | View |
| Dec 03, 2025 | 144 | — | 0001950047-25-009692 | View |
| Dec 03, 2025 | 144 | — | 0001972481-25-000292 | View |
| Dec 03, 2025 | 144 | — | 0001972481-25-000293 | View |
| Dec 02, 2025 | 8-K | Dec 02, 2025 | 0001530721-25-000148 | View |
| Dec 01, 2025 | 4 | Nov 27, 2025 | 0001689847-25-000008 | View |
| Dec 01, 2025 | 4 | Nov 27, 2025 | 0001738789-25-000008 | View |
| Dec 01, 2025 | 4 | Nov 27, 2025 | 0001188262-25-000014 | View |
| Dec 01, 2025 | 4 | Nov 27, 2025 | 0001959251-25-000008 | View |
| Dec 01, 2025 | 4 | Nov 27, 2025 | 0001875451-25-000008 | View |
| Dec 01, 2025 | 4 | Nov 27, 2025 | 0001769488-25-000008 | View |
| Nov 25, 2025 | 8-K | Nov 24, 2025 | 0001104659-25-115701 | View |
| Nov 25, 2025 | 144 | — | 0001969223-25-000994 | View |
| Nov 24, 2025 | 144 | — | 0000950157-25-000963 | View |
| Nov 24, 2025 | 144 | — | 0001959173-25-007220 | View |