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ECOPETROL S.A. — NT 20-F Filings

3 NT 20-F filings on record

This page lists all NT 20-F 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 3 NT 20-F documents with the SEC since 2008. To view all SEC filings by ECOPETROL S.A., see the full filings list.

Overview All Filings Financials Insiders
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 NT 20-F 0001144204-17-023779 May 2, 2017 Dec 31, 2016
NT 20-F — 0000903423-11-000335 Jul 1, 2011 Dec 31, 2010
NT 20-F — 0001144204-10-035923 Jun 30, 2010 Dec 31, 2009