ECOPETROL S.A. Form 6-K: Report of foreign private issuer
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2016-12-19: Form 6-K; Period of report 2016-12-16; Description FORM 6-K; Document v455209_6k.htm.
- 2016-11-22: Form 6-K; Period of report 2016-11-21; Description 6-K; Document v453638_6k.htm.
- 2016-11-16: Form 6-K; Period of report 2016-11-15; Description 6-K; Document v453044_6k.htm.
- 2016-10-27: Form 6-K; Period of report 2016-10-27; Description FORM 6-K; Document v451502_6k.htm.