NATURAL GAS SERVICES GROUP INC — SCHEDULE 13D/A Filings
4 SCHEDULE 13D/A filings on record
This page lists all SCHEDULE 13D/A filings submitted to the SEC by NATURAL GAS SERVICES GROUP INC (NGS), sorted by most recent first. Each row links to the full filing on EdgarLookup. NATURAL GAS SERVICES GROUP INC has filed 4 SCHEDULE 13D/A documents with the SEC since 2006. To view all SEC filings by NATURAL GAS SERVICES GROUP INC, see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
10KSB
10KSB/A
10QSB
10QSB/A
144
25
3
3/A
4
4/A
424B1
424B3
424B5
5
8-A12B
8-K
8-K/A
ARS
CERTAMX
CERTNYS
CORRESP
DEF 14A
DEFA14A
EFFECT
NT 10-K
NT 10-Q
POS AM
POS462B
PRE 14A
S-1
S-1/A
S-1MEF
S-3
S-3/A
S-8
SB-2
SB-2/A
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13D/A | — | 0001999371-26-001715 | Jan 26, 2026 | — |
| SCHEDULE 13D/A | — | 0001999371-26-000410 | Jan 7, 2026 | — |
| SCHEDULE 13D/A | — | 0000950170-25-008432 | Jan 23, 2025 | — |
| SCHEDULE 13D/A | — | 0000950170-25-006430 | Jan 16, 2025 | — |