EC Form 6-K: Report of foreign private issuer, 2015

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.

2015-12-23: Form 6-K; Period of report 2015-12-22; Description FORM 6-K; Document v427680_6k.htm.
2015-12-22: Form 6-K; Period of report 2015-12-21; Description FORM 6-K; Document v427532_6k.htm.
2015-12-14: Form 6-K; Period of report 2015-12-14; Description REPORT OF FOREIGN PRIVATE ISSUER; Document v426844_6k.htm.
2015-12-02: Form 6-K; Period of report 2015-12-01; Description FORM 6-K; Document v426012_6k.htm.

Filed	Form	Period of report	Description	Document
2015-12-23	6-K	2015-12-22	FORM 6-K	v427680_6k.htm
2015-12-22	6-K	2015-12-21	FORM 6-K	v427532_6k.htm
2015-12-14	6-K	2015-12-14	REPORT OF FOREIGN PRIVATE ISSUER	v426844_6k.htm
2015-12-02	6-K	2015-12-01	FORM 6-K	v426012_6k.htm
2015-11-27	6-K	2015-11-27	FORM 6-K	v425148_6k.htm
2015-11-25	6-K	2015-11-24	6-K	v425640_6k.htm
2015-11-18	6-K	2015-11-18	FORM 6-K	v425096_6k.htm
2015-10-30	6-K	2015-10-30	FORM 6-K	v423347_6k.htm
2015-10-27	6-K	2015-10-26	FORM 6-K	v422863_6k.htm
2015-10-13	6-K	2015-10-09	FORM 6-K	v421999_6k.htm
2015-10-02	6-K	2015-10-02	FORM 6-K	v421513_6k.htm
2015-09-29	6-K	2015-09-28	FORM 6-K	v421147_6k.htm
2015-09-25	6-K	2015-09-25	6-K	v420936_6k.htm
2015-09-15	6-K	2015-09-14	6-K	v420218_6k.htm
2015-09-11	6-K	2015-09-11	FORM 6-K	v420141_6k.htm
2015-09-10	6-K	2015-09-09	FORM 6-K	v420031_6k.htm
2015-09-08	6-K	2015-09-04	FORM 6-K	v419820_6k.htm
2015-08-19	6-K	2015-08-18	FORM 6-K	v418533_6k.htm
2015-08-14	6-K	2015-08-14	FORM 6-K	v418350_6k.htm
2015-08-11	6-K	2015-08-11	FORM 6-K	v417810_6k.htm
2015-08-07	6-K	2015-08-06	FORM 6-K	v417459_6k.htm
2015-07-31	6-K	2015-07-31	FORM 6-K	v416794_6k.htm
2015-07-27	6-K	2015-07-27	FORM 6-K	v416349_6k.htm
2015-07-23	6-K	2015-07-23	FORM 6-K	v415671_6k.htm
2015-07-20	6-K	2015-07-19	REPORT OF FOREIGN PRIVATE ISSUER	v415780_6k.htm
2015-06-29	6-K	2015-06-26	FORM 6-K	v414187_6k.htm
2015-06-25	6-K	2015-06-25	FORM 6-K	v414156_6k.htm
2015-06-25	6-K	2015-06-24	FORM 6-K	v413716_6k.htm
2015-06-25	6-K	2015-06-24	FORM 6-K	v413715_6k.htm
2015-06-23	6-K	2015-06-23	FORM 6-K	v413825_6k.htm
2015-05-26	6-K	2015-05-25	FORM 6-K	v411600_6k.htm
2015-05-19	6-K	2015-05-18	FORM 6-K	v411133_6k.htm
2015-05-13	6-K	2015-05-13	FORM 6-K	v410560_6k.htm
2015-05-05	6-K	2015-05-04	FORM 6-K	v409460_6k.htm
2015-04-29	6-K	2015-04-28	FORM 6-K	v408692_6k.htm
2015-04-23	6-K	2015-04-22	6-K	v408080_6k.htm
2015-04-22	6-K	2015-04-21	FORM 6-K	v407836_6k.htm
2015-04-15	6-K	2015-04-14	FORM 6-K	v407313_6k.htm
2015-04-14	6-K	2015-04-13	FORM 6-K	v407250_6k.htm
2015-03-30	6-K	2015-03-30	6-K	v405874_6k.htm
2015-03-27	6-K	2015-03-26	FORM 6-K	v405654_6k.htm
2015-03-27	6-K	2015-03-26	FORM 6-K	v405653_6k.htm
2015-03-27	6-K	2015-03-26	FORM 6-K	v405651_6k.htm
2015-03-27	6-K	2015-03-27	FORM 6-K	v405725_6k.htm
2015-03-23	6-K	2015-03-20	FORM 6-K	v405142_6k.htm
2015-03-16	6-K	2015-03-16	FORM 6-K	v404569_6k.htm
2015-03-10	6-K	2015-03-10	6-K	v404073_6k.htm
2015-03-06	6-K	2015-03-06	FORM 6-K	v403858_6k.htm
2015-03-05	6-K	2015-03-03	FORM 6-K	v403497_6k.htm
2015-03-04	6-K	2015-03-04	FORM 6-K	v403591_6k.htm
2015-03-04	6-K	2015-03-03	FORM 6-K	v403549_6k.htm
2015-02-26	6-K	2015-02-25	FORM 6-K	v402864_6k.htm
2015-02-24	6-K	2015-02-23	FORM 6-K	v402599_6k.htm
2015-02-23	6-K	2015-02-23	REPORT OF FOREIGN PRIVATE ISSUER	v402509_6k.htm
2015-02-13	6-K	2015-02-12	6-K	v401607_6k.htm
2015-02-11	6-K	2015-02-10	FORM 6-K	v401108_6k.htm
2015-02-05	6-K	2015-02-04	FORM 6-K	v400497_6k.htm