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Date: October 1, 2018 Jurisdictions: Alberta, Ontario
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2018 Commission File Number 001-34175 ECOPETROL S.A. (Exact name of registrant as specified in its charter) N.A. (Translation of regist...
Date: September 24, 2018 Jurisdictions: Alberta, Ontario
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2018 Commission File Number 001-34175 ECOPETROL S.A. (Exact name of registrant as specified in its charter) N.A. (Translation of regi...
Date: August 17, 2018 Jurisdictions: Alberta, Ontario
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August, 2018 Commission File Number 001-34175 ECOPETROL S.A. (Exact name of registrant as specified in its charter) N.A. (Translation of regis...
Date: August 15, 2018 Jurisdictions: Alberta, Ontario
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August, 2018 Commission File Number 001-34175 ECOPETROL S.A. (Exact name of registrant as specified in its charter) N.A. (Translation of registr...
Date: August 9, 2018 Jurisdictions: Alberta, Ontario
Date: July 31, 2018 Jurisdictions: Alberta, Ontario
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2018 Commission File Number 001-34175 ECOPETROL S.A. (Exact name of registrant as specified in its charter) N.A. (Translation of registran...
Date: July 5, 2018 Jurisdictions: Alberta, Ontario
Date: May 4, 2018 Jurisdictions: Alberta, Ontario
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2018 Commission File Number 001-34175 ECOPETROL S.A. (Exact name of registrant as specified in its charter) N.A. (Translation of registrant...
Date: April 23, 2018 Jurisdictions: Alberta, Ontario
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2018 Commission File Number 001-34175 ECOPETROL S.A. (Exact name of registrant as specified in its charter) N.A. (Translation of registra...