ECOPETROL S.A. — NT 20-F/A Filings
1 NT 20-F/A filing on record
This page lists all NT 20-F/A filings submitted to the SEC by ECOPETROL S.A. (EC), sorted by most recent first. Each row links to the full filing on EdgarLookup. ECOPETROL S.A. has filed 1 NT 20-F/A document with the SEC since 2008. To view all SEC filings by ECOPETROL S.A., see the full filings list.
All
20-F
20-F/A
20FR12B
25-NSE
3
424B2
424B3
424B5
6-K
6-K/A
8-A12B
CERT
CERTNYS
CORRESP
EFFECT
F-3ASR
F-4
F-4/A
F-6
F-6EF
FWP
NT 20-F
NT 20-F/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| NT 20-F/A | — | 0001144204-11-039166 | Jul 6, 2011 | Dec 31, 2010 |