Form 8-K

8-K — SunocoCorp LLC

Accession: 0002089661-26-000063

Filed: 2026-09-10

Period: 2026-09-03

CIK: 0002089661

SIC: 2911 (PETROLEUM REFINING)

Item: Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — sunc-20260903.htm (Primary)

EX-99.1 (ex991sunandsuncdelistnysel.htm)

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8-K

8-K (Primary)

Filename: sunc-20260903.htm · Sequence: 1

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Act of 1934

September 3, 2026

Date of Report (Date of earliest event reported)

SUNOCOCORP LLC

(Exact name of registrant as specified in its charter)

Texas 001-42928 85-0470977

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

8111 Westchester Drive, Suite 400

Dallas , Texas 75225

(Address of principal executive offices, including zip code)

(214) 981-0700

(Registrant’s telephone number, including area code)

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

Common Units Representing Limited Liability Company Interests SUNC 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 3.01. Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing.

On September 3, 2026, SunocoCorp LLC (the “Company”) approved the voluntary withdrawal of the common units representing limited liability company interests (“Common Units”) from listing on the New York Stock Exchange (“NYSE”), and the transfer of the listing to the Texas Stock Exchange (“TXSE”). The Company expects that the listing and trading of the Common Units on the NYSE will end at market close on October 2, 2026, and that trading will begin on the TXSE at market open on October 5, 2026. The ticker symbols for the Common Units (TXSE: SUNC) will remain unchanged.

Item 7.01. Regulation FD Disclosure.

On September 10, 2026, the Company issued the press release attached hereto as Exhibit 99.1 in connection with the transfer of the listing of the Common Units from NYSE to TXSE.

In accordance with General Instruction B.2 of Form 8-K, the information in Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 hereto, shall not be deemed “filed” for the purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities of that section. The information in Item 7.01 of this Current Report on Form 8-K shall not be incorporated by reference into any filing or other document pursuant to the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document.

Item 9.01. Financial Statements and Exhibits.

Exhibit Number

Exhibit Description

99.1

Press Release dated September 10, 2026

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

SIGNATURE

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.

SUNOCOCORP LLC

By:

SunocoCorp Management LLC, its managing member

Date: September 10, 2026

By:

/s/ Rick Raymer

Rick Raymer

Vice President, Controller and Principal Accounting Officer

EX-99.1

Filename: ex991sunandsuncdelistnysel.htm · Sequence: 2

Document

Exhibit 99.1

Sunoco LP and SunocoCorp LLC to Transfer Listings

to the Texas Stock Exchange

DALLAS, September 10, 2026 – Sunoco LP (NYSE: SUN) (“SUN”) and SunocoCorp LLC (NYSE: SUNC) (“SUNC”) announced today that they will transfer their listings of common units from the New York Stock Exchange (“NYSE”) to the Texas Stock Exchange (“TXSE”). SUN and SUNC expect their common units to begin trading on the TXSE on October 5, 2026, under their current ticker symbols, “SUN” and “SUNC”, respectively. The common units are expected to cease trading on the NYSE at market close on Friday, October 2, 2026. No action is required by SUN or SUNC unitholders in connection with the transfer.

The move aligns SUN and SUNC’s Texas-based legacy with TXSE’s technology-driven platform, creating opportunities to enhance value and support SUN and SUNC’s continued growth.

About Sunoco

Sunoco LP is a leading energy infrastructure and fuel distribution master limited partnership operating across 33 countries and territories in North America, the Greater Caribbean and Europe. SUN’s midstream operations include an extensive network of approximately 14,000 miles of pipeline and over 170 terminals. This critical infrastructure complements SUN’s fuel distribution operations, which distribute over 15 billion gallons annually to approximately 11,000 Sunoco and partner-branded retail locations, as well as independent dealers and commercial customers. SUN's general partner is owned by Energy Transfer LP (NYSE: ET).

SunocoCorp LLC is a publicly traded limited liability company that owns a direct limited partner interest in Sunoco LP.

SUN and SUNC are headquartered in Dallas, Texas. More information is available at www.sunocolp.com.

Forward Looking Statements

This news release may include certain statements concerning expectations for the future that are forward-looking statements as defined by federal law. Such forward-looking statements are subject to a variety of known and unknown risks, uncertainties, and other factors that are difficult to predict and many of which are beyond management’s control. An extensive list of factors that can affect future results are discussed in SUN and SUNC’s Annual Reports on Form 10-K and other documents filed from time to time with the Securities and Exchange Commission. SUN and SUNC undertake no obligation to update or revise any forward-looking statement to reflect new information or events.

Contacts

Investors:

Scott Grischow, Treasurer, Senior Vice President – Finance

(214) 840-5660, scott.grischow@sunoco.com

Brian Brungardt, Director – Investor Relations

(214) 840-5437, brian.brungardt@sunoco.com

Media:

Chris Cho, Director – Communications

(469) 646-1647, chris.cho@sunoco.com

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