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.
- 2017-12-26: Form 6-K; Period of report 2017-12-22; Description FORM 6-K; Document tv482025_6k.htm.
- 2017-12-12: Form 6-K; Period of report 2017-12-12; Description 6-K; Document tv481205_6k.htm.
- 2017-12-08: Form 6-K; Period of report 2017-12-07; Description 6-K; Document tv481041_6k.htm.
- 2017-12-08: Form 6-K; Period of report 2017-12-07; Description FORM 6-K; Document tv481034_6k.htm.