NXT Energy Solutions Inc. — SC 13G/A Filings
6 SC 13G/A filings on record
This page lists all SC 13G/A filings submitted to the SEC by NXT Energy Solutions Inc. (NSFDF), sorted by most recent first. Each row links to the full filing on EdgarLookup. NXT Energy Solutions Inc. has filed 6 SC 13G/A documents with the SEC since 1998. To view all SEC filings by NXT Energy Solutions Inc., see the full filings list.
All
10-12G
10-12G/A
10-K
10-K/A
10-Q
10-Q/A
10QSB
20-F
20-F/A
3
4
4/A
5
6-K
6-K/A
8-K
8-K/A
CORRESP
D
DEF 14A
F-1
F-2
F-2/A
F-7
NT 10-K
NT 10-Q
NT 20-F
NTN 10Q
REGDEX/A
RW
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G/A | SCHEDULE 13G/A | 0001204459-09-000835 | May 11, 2009 | — |
| SC 13G/A | AMENDMENT TO SCHEDULE 13G | 0000950134-04-002180 | Feb 17, 2004 | — |
| SC 13G/A | AMENDMENT NO. 4 TO SCHEDULE 13G | 0000950134-03-000545 | Jan 14, 2003 | — |
| SC 13G/A | AMENDMENT NO. 3 TO SCHEDULE 13G | 0000950134-02-016215 | Dec 31, 2002 | — |
| SC 13G/A | AMENDMENT NO. 2 TO SCHEDULE 13G | 0000950134-01-001426 | Feb 14, 2001 | — |
| SC 13G/A | AMENDMENT NO. 1 TO SCHEDULE 13G | 0000950134-00-001050 | Feb 11, 2000 | — |