UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): ~~December~~January 426, ~~2025~~2026

Hess Midstream LP

(Exact Name of Registrant as Specified in Its Charter)

DELAWARE

No. 001-39163

No. 84-3211812

(State or Other Jurisdiction

of Incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

~~1501~~1400 ~~McKinney~~Smith Street ~~Houston, Texas 77010 (Address of Principal Executive Offices) (Zip Code)~~

~~Registrant’s Telephone Number~~Houston, ~~Including~~Texas ~~Area Code: (713) 496-4200~~77002

(Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (832) 854-1000

N/A

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading
Symbol(s)

Name of each exchange

on which registered

Class A shares representing limited partner interests

HESM

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.0203. ~~Departure~~Amendments ofto ~~Directors~~Articles ~~or Certain Officers; Election~~ of ~~Directors;~~Incorporation ~~Appointment~~or ~~of Certain Officers~~Bylaws; ~~Compensatory~~Change ~~Arrangements~~in ofFiscal ~~Certain Officers~~Year.

~~Departure~~Amended and ~~Appointment~~Restated Certificate of ~~Directors~~Limited Partnership and First Amendment to the Amended and Restated Agreement of Limited Partnership

OnEffective ~~December~~January 426, ~~2025~~2026, ~~Andrew~~each B.of ~~Walz~~Hess ~~resigned~~Midstream ~~from~~LP ~~the Board of Directors~~ (the “~~Board~~Company”) ofand Hess Midstream GP ~~LLC (“GP LLC”)~~LP, the general partner of ~~Hess~~the ~~Midstream~~Company ~~GP LP, a Delaware limited partnership~~ (the “General Partner”) ~~and the general partner of Hess Midstream LP~~, achanged ~~Delaware limited partnership~~ (~~the “Company”~~a), its ~~effective~~principal ~~immediately.~~office ~~Mr. Walz’s~~to ~~resignation~~1400 ~~follows~~Smith ~~his~~Street, ~~appointment~~Houston, asTexas an77002 ~~executive~~from ~~officer~~1501 ofMcKinney ~~Chevron~~Street, ~~Corporation1~~Houston, ~~and~~Texas ~~was~~77010, ~~not~~(b) aits ~~result~~registered ofagent ~~any~~to ~~disagreements~~Corporation ~~with~~Service ~~the~~ Company onfrom ~~any~~The ~~matter~~Corporation ~~relating~~Trust ~~to the~~ Company’s ~~operations,~~and ~~policies or practices. In connection with Mr.~~(c) ~~Walz’s~~its ~~resignation,~~registered ~~Kristi~~office H.to ~~McCarthy~~251 ~~was~~Little ~~designated~~Falls ~~Chairman of the Board. Also on December 4~~Drive, ~~2025~~Wilmington, inNew ~~connection~~Castle ~~with~~County, ~~the~~Delaware ~~vacancy~~19808 ~~created~~from byCorporation ~~the~~Trust ~~resignation described above~~Center, ~~Barbara~~1209 F.Orange ~~Harrison~~Street, ~~was~~Wilmington, ~~appointed~~New asCastle ~~a member of the Board~~County, ~~effective~~Delaware ~~immediately~~19801.

~~Ms. Harrison is vice president~~Accordingly, ~~Crude~~on ~~Supply and Trading at Chevron U.S.A. Inc.~~January 26, ~~a subsidiary of Chevron (“CUSA”)~~2026, ~~a position she has held since April 2024. In this role, she is responsible for~~ the ~~function~~General ~~that~~Partner ~~trades~~executed ~~crude~~an ~~and~~Amended ~~condensate products~~ and ~~manages~~Restated ~~price~~Certificate ~~exposure~~of ~~through~~Limited ~~paper~~Partnership ~~trading.~~of From November 2021 to April 2024, Ms. Harrison served as vice president, Offsets & Emerging, Chevron New Energies at CUSA, where she was responsible for investing in new energy solutions. From October 2019 to November 2021, she served as the ~~general~~Company ~~manager of Value Chain Optimization~~ (~~“VCO”),~~the ~~International Fuels and Lubricants (~~“~~IF&L~~Amended Certificate”), ~~based in Asia, where she was responsible for strategic planning for IF&L~~ and ~~optimizing~~a ~~crude~~First ~~supply~~Amendment ~~and product placements within Chevron’s refining and marketing systems across Asia and Australia. Ms. Harrison joined Chevron in 2000, and, in addition~~ to the ~~roles~~Amended ~~described above, has held positions in the Planning~~ and ~~Change~~Restated ~~Management~~Agreement ~~Office~~of asLimited ~~well~~Partnership ~~as several positions~~ of ~~increasing~~the ~~responsibility~~Company ~~across~~ (the ~~Downstream~~“LPA ~~and~~Amendment”) ~~Chemicals~~to ~~business,~~reflect ~~including~~these ~~Manufacturing~~changes, ~~Strategy~~and, ~~VCO~~on ~~and Retail. From November 2020 to November 2021~~January 27, ~~Ms. Harrison served as a director of Star Petroleum Refining Public Company Limited~~2026, ~~Chevron’s~~the ~~60.6~~General ~~percent-owned~~Partner ~~refinery~~filed ~~that~~the isAmended ~~publicly~~Certificate ~~traded~~with on the ~~Stock~~Delaware ~~Exchange~~Secretary of ~~Thailand~~State.

The ~~Company~~Amended isCertificate ~~managed~~ and ~~controlled~~the byLPA GPAmendment ~~LLC.~~are GPattached ~~LLC~~hereto isas ~~wholly~~Exhibits ~~owned~~3.1 ~~by Hess Infrastructure Partners GP LLC (“HIP GP”),~~ and ~~HIP GP is owned 100% by Hess Investments North Dakota LLC, a Delaware limited liability company (“HINDL”)~~3. ~~Chevron~~2, ~~as the indirect parent of HINDL~~respectively, ~~the sole member of HIP GP, has the right to appoint all of the members of the Board. Ms. Harrison, as the successor of Mr. Walz, was nominated by Chevron~~ and ~~elected~~are toincorporated ~~the~~herein ~~Board~~ by ~~HIP GP~~reference. ~~Ms. Harrison is not expected to serve on any committee of the Board.~~

~~Certain~~Item ~~individuals, including officers and directors of Chevron, HINDL, HIP GP and the General Partner, serve as officers and/or directors of more than one of such other entities~~8. The officers or employees of CUSA or any subsidiary of Chevron who serve as members of the Board do not receive additional compensation from the Company or the General Partner for their service as a member of the Board01. ~~Accordingly,~~Other MsEvents. Harrison will not receive additional compensation from the Company or the General Partner for her service on the Board. Ms. Harrison will have rights to indemnification by the Company pursuant to the Company’s Amended and Restated Agreement of Limited Partnership.

~~Ms.~~Effective January ~~Harrison~~26, ~~does~~2026, ~~not~~in ~~have~~connection ~~any~~with ~~direct~~the orchange ~~indirect~~in ~~material~~principal ~~interest~~office inand ~~any~~registered ~~transaction~~agent orof ~~series~~the ofCompany ~~similar~~and ~~transactions~~the ~~contemplated~~General byPartner, ~~Item~~Hess ~~404~~Midstream Operations LP (“OpCo”) changed its (a) principal ofoffice ~~Regulation~~to ~~S-K~~1400 ~~other~~Smith ~~than~~Street, ~~through~~Houston, ~~her~~Texas ~~employment~~77002 ~~with~~from ~~CUSA~~1501 orMcKinney ~~any~~Street, ~~subsidiary~~Houston, Texas 77010, (b) its registered agent to Corporation Service Company from The Corporation Trust Company and (c) its registered office to 251 Little Falls Drive, Wilmington, New Castle County, Delaware 19808 from Corporation Trust Center, 1209 Orange Street, Wilmington, New Castle County, Delaware 19801. Hess Midstream Partners GP LP, OpCo’s general partner, executed a First Amendment to the Third Amended and Restated Agreement of ~~Chevron~~Limited Partnership of OpCo (the “OpCo LPA Amendment”) to reflect these changes.

~~Relationships~~The OpCo LPA Amendment is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

~~For relationships between the Company, the General Partner, GP LLC, HIP GP and Hess Corporation, a direct, wholly owned subsidiary of Chevron Corporation, see~~ Item 139.01. ~~“Certain~~Financial ~~Relationships~~Statements and ~~Related Party Transactions and Director Independence” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024, which is incorporated into this Item 5~~Exhibits.~~02 by reference.~~

1(d) Exhibits Unless expressly stated otherwise herein, the term “Chevron” may refer to Chevron Corporation, one or more of its consolidated subsidiaries, or to all of them taken as a whole. All of these terms are used for convenience only and are not intended as a precise description of any of the separate companies, each of which manages its own affairs.


3.1		Amended and Restated Certificate of Limited Partnership of Hess Midstream LP, as filed on January 27, 2026

3.2		First Amendment to the Amended and Restated Agreement of Limited Partnership of Hess Midstream LP, dated as of January 26, 2026

99.1		First Amendment to the Third Amended and Restated Agreement of Limited Partnership of Hess Midstream Operations LP, dated as of January 26, 2026

104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	HESS MIDSTREAM LP
	By:	Hess Midstream GP LP, its general partner
	By:	Hess Midstream GP LLC, its general partner
Date: December 9, 2025	By:	/s/ Gabriela B. Boersner
Date: January 30, 2026	By:	/s/ Gabriela B. Boersner
		Name: Gabriela B. Boersner
	Name:	Gabriela B. Boersner
		Title: General Counsel and Secretary
	Title:	General Counsel and Secretary

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