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HINDL is an indirect, wholly owned subsidiary of Hess Corporation, a publicly traded company listed on the New York Stock Exchange. As a result, Hess Corporation may be deemed to beneficially own the securities held of record by HINDL and Hess Midstream GP LP. Hess Corporation disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Hess Infrastructure Partners GP LLC is the sole member of Hess Midstream GP LLC, which is the general partner of Hess Midsteam LP. Hess Infrastructure Partners GP LLC is a 50/50 joint venture between HINDL and GIP II Blue Holding Partnership, L.P. As such, each of the foregoing entities may be deemed to beneficially own the securities held of record by Hess Midstream GP LP. 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Hess Infrastructure Partners GP LLC is a 50/50 joint venture between Hess Investments North Dakota LLC and GIP II Blue Holding Partnership, L.P.  As such, each of the foregoing entities may be deemed to beneficially own the securities held of record by Hess Midstream GP LP.  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Hess Infrastructure Partners GP LLC is a 50/50 joint venture between Hess Investments North Dakota LLC and GIP II Blue Holding Partnership, L.P.  As such, each of the foregoing entities may be deemed to beneficially own the securities held of record by Hess Midstream GP LP.  Each such entity disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Represents securities held by Hess Midstream GP LP.  Hess Investments North Dakota LLC is an indirect, wholly owned subsidiary of Hess Corporation, a publicly traded company listed on the New York Stock Exchange. As a result, Hess Corporation may be deemed to beneficially own the securities held of record by Hess Investments North Dakota LLC and Hess Midstream GP LP.  Hess Corporation disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein."}],"balance_after":129758464,"source":{"system":"sec-edgar","filing":"0001209191-21-021019","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/4447/000120919121021019/doc4.xml","form_type":"4"}},{"id":2788523,"issuer":{"id":3624,"kind":"organization","name":"Hess Midstream LP"},"owners":[{"id":11019,"kind":"organization","name":"HESS CORP","position":1,"cik":"0000004447","reported_name":"HESS CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":11020,"kind":"person","name":"Hess Investments North Dakota LLC","position":2,"cik":"0001702361","reported_name":"Hess Investments North Dakota LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Shares","published_at":"2021-03-16T18:04:33.000Z","date":"2021-03-15","kind":"sale","acquired":false,"shares":3450000,"price":20.27,"value":69931500.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents securities held by Hess Investments North Dakota LLC"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Hess Infrastructure Partners GP LLC is the sole member of Hess Midstream GP LLC, which is the general partner of Hess Midstream LP.  Hess Infrastructure Partners GP LLC is a 50/50 joint venture between Hess Investments North Dakota LLC and GIP II Blue Holding Partnership, L.P.  As such, each of the foregoing entities may be deemed to beneficially own the securities held of record by Hess Midstream GP LP.  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Hess Infrastructure Partners GP LLC is a 50/50 joint venture between Hess Investments North Dakota LLC and GIP II Blue Holding Partnership, L.P.  As such, each of the foregoing entities may be deemed to beneficially own the securities held of record by Hess Midstream GP LP.  Each such entity disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein."}],"balance_after":3450000,"source":{"system":"sec-edgar","filing":"0001209191-21-021019","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/4447/000120919121021019/doc4.xml","form_type":"4"}},{"id":3340497,"issuer":{"id":3624,"kind":"organization","name":"Hess Midstream LP"},"owners":[{"id":11019,"kind":"organization","name":"HESS CORP","position":1,"cik":"0000004447","reported_name":"HESS CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":11020,"kind":"person","name":"Hess Investments North Dakota LLC","position":2,"cik":"0001702361","reported_name":"Hess Investments North Dakota LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Opco Class B Units","published_at":"2019-12-17T18:44:01.000Z","date":"2019-12-16","kind":"grant","acquired":true,"shares":133208464,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The Opco Class B Units may be converted at any time into Class A Shares on a one to one basis and have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Agreement and Plan of Merger dated October 3, 2019 (the \"Merger Agreement\"), each Common Unit of Hess Midstream Partners LP (\"Old HESM\") issued and outstanding prior to the effective time of the transactions contemplated by the Merger Agreement (the \"Effective Time\") (other than any Old HESM Common Units held by the Existing Sponsors or the HIP Entities (as defined in the Merger Agreement) as of immediately prior to the Effective Time), was automatically converted into the right to receive one validly issued, fully paid and non-assessable Class A Share of Hess Midstream LP (\"New HESM\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The Opco Class B Units may be converted at any time into Class A Shares on a one to one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The Opco Class B Units may be converted at any time into Class A Shares on a one to one basis and have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Hess Investments North Dakota LLC is a wholly owned subsidiary of Hess Corporation, a publicly traded company listed on the New York Stock Exchange. As a result, Hess Corporation may be deemed to beneficially own the securities held of record by Hess Investments North Dakota LLC and Hess Midstream GP LP.  Hess Corporation disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Represents securities held by Hess Investments North Dakota LLC"}],"balance_after":133208464,"derivative":{"underlying":"Class A Shares","underlying_shares":133208464},"source":{"system":"sec-edgar","filing":"0001209191-19-060993","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/4447/000120919119060993/doc4.xml","form_type":"4"}},{"id":3340496,"issuer":{"id":3624,"kind":"organization","name":"Hess Midstream LP"},"owners":[{"id":11019,"kind":"organization","name":"HESS CORP","position":1,"cik":"0000004447","reported_name":"HESS CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":11020,"kind":"person","name":"Hess Investments North Dakota LLC","position":2,"cik":"0001702361","reported_name":"Hess Investments North Dakota LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Shares","published_at":"2019-12-17T18:44:01.000Z","date":"2019-12-16","kind":"grant","acquired":true,"shares":266416928,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Agreement and Plan of Merger dated October 3, 2019 (the \"Merger Agreement\"), each Common Unit of Hess Midstream Partners LP (\"Old HESM\") issued and outstanding prior to the effective time of the transactions contemplated by the Merger Agreement (the \"Effective Time\") (other than any Old HESM Common Units held by the Existing Sponsors or the HIP Entities (as defined in the Merger Agreement) as of immediately prior to the Effective Time), was automatically converted into the right to receive one validly issued, fully paid and non-assessable Class A Share of Hess Midstream LP (\"New HESM\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Represents securities held by Hess Midstream GP LP.  Hess Infrastructure Partners GP LLC is the sole member of Hess Midstream GP LLC which is the general partner of Hess Midstream GP LP.  Hess Infrastructure Partners GP LLC is a 50/50 joint venture between Hess Investments North Dakota LLC and GIP II Blue Holding Partnership, L.P. As such, each of the foregoing entities may be deemed to beneficially own the securities held of record by Hess Midstream GP LP. Each such entity disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Hess Investments North Dakota LLC is a wholly owned subsidiary of Hess Corporation, a publicly traded company listed on the New York Stock Exchange. As a result, Hess Corporation may be deemed to beneficially own the securities held of record by Hess Investments North Dakota LLC and Hess Midstream GP LP.  Hess Corporation disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein."}],"balance_after":266416928,"source":{"system":"sec-edgar","filing":"0001209191-19-060993","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/4447/000120919119060993/doc4.xml","form_type":"4"}},{"id":3340495,"issuer":{"id":3624,"kind":"organization","name":"Hess Midstream LP"},"owners":[{"id":11019,"kind":"organization","name":"HESS CORP","position":1,"cik":"0000004447","reported_name":"HESS CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":11020,"kind":"person","name":"Hess Investments North Dakota LLC","position":2,"cik":"0001702361","reported_name":"Hess Investments North Dakota LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Shares","published_at":"2019-12-17T18:44:01.000Z","date":"2019-12-16","kind":"grant","acquired":true,"shares":898000,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Agreement and Plan of Merger dated October 3, 2019 (the \"Merger Agreement\"), each Common Unit of Hess Midstream Partners LP (\"Old HESM\") issued and outstanding prior to the effective time of the transactions contemplated by the Merger Agreement (the \"Effective Time\") (other than any Old HESM Common Units held by the Existing Sponsors or the HIP Entities (as defined in the Merger Agreement) as of immediately prior to the Effective Time), was automatically converted into the right to receive one validly issued, fully paid and non-assessable Class A Share of Hess Midstream LP (\"New HESM\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Represents securities held by Hess Midstream GP LP.  Hess Infrastructure Partners GP LLC is the sole member of Hess Midstream GP LLC which is the general partner of Hess Midstream GP LP.  Hess Infrastructure Partners GP LLC is a 50/50 joint venture between Hess Investments North Dakota LLC and GIP II Blue Holding Partnership, L.P. As such, each of the foregoing entities may be deemed to beneficially own the securities held of record by Hess Midstream GP LP. Each such entity disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Hess Investments North Dakota LLC is a wholly owned subsidiary of Hess Corporation, a publicly traded company listed on the New York Stock Exchange. As a result, Hess Corporation may be deemed to beneficially own the securities held of record by Hess Investments North Dakota LLC and Hess Midstream GP LP.  Hess Corporation disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein."}],"balance_after":898000,"source":{"system":"sec-edgar","filing":"0001209191-19-060993","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/4447/000120919119060993/doc4.xml","form_type":"4"}},{"id":3340491,"issuer":{"id":16154,"kind":"organization","name":"Hess Midstream Partners LP","symbol":"HESM"},"owners":[{"id":11019,"kind":"organization","name":"HESS CORP","position":1,"cik":"0000004447","reported_name":"HESS CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":11020,"kind":"person","name":"Hess Investments North Dakota LLC","position":2,"cik":"0001702361","reported_name":"Hess Investments North Dakota LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Subordinated Units","published_at":"2019-12-17T18:05:17.000Z","date":"2019-12-16","kind":"disposition_to_issuer","acquired":false,"shares":13639827,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Pursuant to the Agreement and Plan of Merger dated October 3, 2019 (the \"Merger Agreement\"), each Common Unit of Hess Midstream Partners LP (\"Old HESM\") issued and outstanding prior to the effective time of the transactions contemplated by the Merger Agreement (the \"Effective Time\") (other than any Old HESM Common Units held by the Existing Sponsors or the HIP Entities (as defined in the Merger Agreement) as of immediately prior to the Effective Time), was automatically converted into the right to receive one validly issued, fully paid and non-assessable Class A Share of Hess Midstream LP (\"New HESM\")."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Agreement and Plan of Merger dated October 3, 2019 (the \"Merger Agreement\"), each Common Unit of Hess Midstream Partners LP (\"Old HESM\") issued and outstanding prior to the effective time of the transactions contemplated by the Merger Agreement (the \"Effective Time\") (other than any Old HESM Common Units held by the Existing Sponsors or the HIP Entities (as defined in the Merger Agreement) as of immediately prior to the Effective Time), was automatically converted into the right to receive one validly issued, fully paid and non-assessable Class A Share of Hess Midstream LP (\"New HESM\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Pursuant to the Agreement and Plan of Merger dated October 3, 2019 (the \"Merger Agreement\"), each Common Unit of Hess Midstream Partners LP (\"Old HESM\") issued and outstanding prior to the effective time of the transactions contemplated by the Merger Agreement (the \"Effective Time\") (other than any Old HESM Common Units held by the Existing Sponsors or the HIP Entities (as defined in the Merger Agreement) as of immediately prior to the Effective Time), was automatically converted into the right to receive one validly issued, fully paid and non-assessable Class A Share of Hess Midstream LP (\"New HESM\")."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Pursuant to the Agreement and Plan of Merger dated October 3, 2019 (the \"Merger Agreement\"), each Common Unit of Hess Midstream Partners LP (\"Old HESM\") issued and outstanding prior to the effective time of the transactions contemplated by the Merger Agreement (the \"Effective Time\") (other than any Old HESM Common Units held by the Existing Sponsors or the HIP Entities (as defined in the Merger Agreement) as of immediately prior to the Effective Time), was automatically converted into the right to receive one validly issued, fully paid and non-assessable Class A Share of Hess Midstream LP (\"New HESM\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The securities reported herein are held by Hess Investments North Dakota LLC, which is a wholly owned subsidiary of Hess Corporation, a publicly traded company listed on the New York Stock Exchange. As a result, Hess Corporation may be deemed to beneficially own the securities held of record by Hess Investments North Dakota LLC."}],"balance_after":0,"derivative":{"underlying":"Common Units","underlying_shares":13639827},"source":{"system":"sec-edgar","filing":"0001209191-19-060962","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/4447/000120919119060962/doc4.xml","form_type":"4"}},{"id":3340490,"issuer":{"id":16154,"kind":"organization","name":"Hess Midstream Partners LP","symbol":"HESM"},"owners":[{"id":11019,"kind":"organization","name":"HESS CORP","position":1,"cik":"0000004447","reported_name":"HESS CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":11020,"kind":"person","name":"Hess Investments North Dakota LLC","position":2,"cik":"0001702361","reported_name":"Hess Investments North Dakota LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2019-12-17T18:05:17.000Z","date":"2019-12-16","kind":"disposition_to_issuer","acquired":false,"shares":5141327,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Agreement and Plan of Merger dated October 3, 2019 (the \"Merger Agreement\"), each Common Unit of Hess Midstream Partners LP (\"Old HESM\") issued and outstanding prior to the effective time of the transactions contemplated by the Merger Agreement (the \"Effective Time\") (other than any Old HESM Common Units held by the Existing Sponsors or the HIP Entities (as defined in the Merger Agreement) as of immediately prior to the Effective Time), was automatically converted into the right to receive one validly issued, fully paid and non-assessable Class A Share of Hess Midstream LP (\"New HESM\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The securities reported herein are held by Hess Investments North Dakota LLC, which is a wholly owned subsidiary of Hess Corporation, a publicly traded company listed on the New York Stock Exchange. As a result, Hess Corporation may be deemed to beneficially own the securities held of record by Hess Investments North Dakota LLC."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-060962","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/4447/000120919119060962/doc4.xml","form_type":"4"}},{"id":4354209,"issuer":{"id":16154,"kind":"organization","name":"Hess Midstream Partners LP","symbol":"HESM"},"owners":[{"id":11019,"kind":"organization","name":"HESS CORP","position":1,"cik":"0000004447","reported_name":"HESS CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":11020,"kind":"person","name":"Hess Investments North Dakota LLC","position":2,"cik":"0001702361","reported_name":"Hess Investments North Dakota LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2017-04-12T16:40:37.000Z","date":"2017-04-10","kind":"other","acquired":false,"shares":1108500,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On April 10, 2017, the underwriters in the Issuer's initial public offering exercised their option to purchase additional common units. As a result, the Issuer did not issue 1,108,500 common units to Hess Investments North Dakota LLC which were previously reported as beneficially owned by the reporting persons."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On April 10, 2017, the underwriters in the Issuer's initial public offering exercised their option to purchase additional common units. As a result, the Issuer did not issue 1,108,500 common units to Hess Investments North Dakota LLC which were previously reported as beneficially owned by the reporting persons."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The securities reported herein are held by Hess Investments North Dakota LLC, which is an indirect, wholly owned subsidiary of Hess Corporation, a publicly traded company listed on the New York Stock Exchange. As a result, Hess Corporation may be deemed to beneficially own the securities held of record by Hess Investments North Dakota LLC."}],"balance_after":5141327,"source":{"system":"sec-edgar","filing":"0001209191-17-026702","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/4447/000120919117026702/doc4.xml","form_type":"4"}}]}