Company: SPH
Filing Date: 2025-02-12
Form Type: S-3
Source: 0001193125-25-024546
Chunk: 0

Company: SUBURBAN PROPANE PARTNERS LP
Filing Date: 2025-02-12
Form: S-3
Chunk 0
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As filed with the Securities and Exchange Commission on February 11, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SUBURBAN PROPANE PARTNERS, L.P. (Exact Name of Registrant as Specified in Its Charter)

| Delaware                        |     | 22-3410353         |
| (State or Other Jurisdiction of 
 Incorporation or Organization)  |     | -I.R.S. Employer   
 Identification No. |

240 Route 10 West Whippany, New Jersey 07981-0206 (973) 887-5300 (Address, including zip code, and telephone number, including area code, of registrant’s principal executive office) Bryon Koepke, Esq. Vice President, General Counsel & Secretary Suburban Propane Partners L.P. 240 Route 10 West Whippany, New Jersey 07981-0206 (Name and Address, Including Zip Code, of Agent for Service) (973) 887-5300 (Telephone Number, Including Area Code, of Agent For Service) Copy to: Louis Rambo, Esq. Proskauer Rose LLP 1001 Pennsylvania Avenue, NW, Suite 600 South Washington, DC 20004-2533 Tel: (202) 416-6800 Approximate date of commencement of proposed sale to the public:From time to time after the effective date of this registration statement. If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box. ☐ If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box. ☒ If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐ If this Form is a post-effectiveamendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐ If this Form is a registration statement pursuant to General