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Form 8-K

sec.gov

8-K — SUBURBAN PROPANE PARTNERS LP

Accession: 0001193125-26-171941

Filed: 2026-04-23

Period: 2026-04-23

CIK: 0001005210

SIC: 5900 (RETAIL-MISCELLANEOUS RETAIL)

Item: Regulation FD Disclosure

Item: Other Events

Item: Financial Statements and Exhibits

Documents

8-K — sph-20260423.htm (Primary)

EX-99.1 (sph-ex99_1.htm)

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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)

April 23, 2026

Commission File Number: 1-14222

SUBURBAN PROPANE PARTNERS, L.P.

(Exact name of registrant as specified in its charter)

Delaware

22-3410353

(State or Other Jurisdiction

(IRS Employer

of Incorporation)

Identification No.)

240 Route 10 West

Whippany, New Jersey 07981

(973) 887-5300

(Registrant’s telephone number, including area code)

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 (see General Instruction A.2. below):

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

Name of exchange on which registered

Common Units

SPH

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 7.01. REGULATION FD DISCLOSURE

ITEM 8.01. OTHER EVENTS

On April 23, 2026, Suburban Propane Partners, L.P. (the “Partnership”) issued a press release (the “Press Release”) announcing its Fiscal 2026 Second Quarter Distribution Declaration. A copy of the Press Release has been furnished as Exhibit 99.1 to this Current Report.

ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS

(d) Exhibits.

99.1

Press Release of Suburban Propane Partners, L.P. dated April 23, 2026, announcing the Fiscal 2026 Second Quarter Distribution Declaration.

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.

April 23, 2026

SUBURBAN PROPANE PARTNERS, L.P.

By:

/s/ MICHAEL A. KUGLIN

Name:

Michael A. Kuglin

Title:

Chief Financial Officer

EX-99.1

EX-99.1

Filename: sph-ex99_1.htm · Sequence: 2

EX-99.1

Exhibit 99.1

News Release

Contact: Michael A. Kuglin

Chief Financial Officer

P.O. Box 206, Whippany, NJ 07981-0206

Phone: 973-503-9252

FOR IMMEDIATE RELEASE

Suburban Propane Partners, L.P. Declares

Quarterly Distribution of $0.325 per Common Unit

Whippany, New Jersey, April 23, 2026 -- Suburban Propane Partners, L.P. (NYSE:SPH), today announced that its Board of Supervisors declared a quarterly distribution of $0.325 per Common Unit for the three months ended March 28, 2026. This quarterly distribution rate equates to an annualized rate of $1.30 per Common Unit. The distribution is payable on May 12, 2026 to Common Unitholders of record as of May 5, 2026.

This press release serves as qualified notice to brokers and nominees as provided for under Treasury Regulation Section 1.1446-4(b). Please note that 100% of Suburban Propane Partners, LP’s distributions to foreign investors are attributable to income that is effectively connected with a United States trade or business. Accordingly, all of Suburban Propane Partners, LP’s distributions to foreign investors are subject to federal income tax withholding at the highest applicable effective tax rate without exception. Regarding the amount realized pursuant to 1.1446(f)-4(c)(2)(iii), 100% of the distribution is in excess of cumulative net income. Brokers and nominees are treated as withholding agents responsible for withholding distributions received by them on behalf of foreign investors.

About Suburban Propane Partners, L.P.

Suburban Propane Partners, L.P. (“Suburban Propane”) is a publicly traded master limited partnership listed on the New York Stock Exchange. Headquartered in Whippany, New Jersey, Suburban Propane has been in the customer service business since 1928 and is a nationwide distributor of propane, renewable propane, renewable natural gas (“RNG”), fuel oil and related products and services, as well as a marketer of natural gas and electricity and producer of and investor in low carbon fuel alternatives, servicing the energy needs of approximately 1 million residential, commercial, governmental, industrial and agricultural customers through approximately 750 locations across 42 states.

Suburban Propane is supported by three core pillars: (1) Suburban Commitment – showcasing Suburban Propane’s almost 100-year legacy, an ongoing commitment to the highest standards for dependability, flexibility, and reliability that underscores Suburban Propane’s commitment to excellence in customer service; (2) SuburbanCares – highlighting continued dedication to giving back to local communities across Suburban Propane’s national footprint; and (3) Go Green with Suburban Propane – promoting the clean burning and versatile nature of propane and renewable propane as a bridge to a green energy future and investing in the next generation of innovative, renewable energy alternatives. For additional information on Suburban Propane, please visit www.suburbanpropane.com.

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