6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 Or 15d-16 Of

The Securities Exchange Act Of 1934

For the month of September 2024

Commission File Number: 001-14950

ULTRAPAR HOLDINGS INC.

(Translation of Registrant’s Name into English)

Brigadeiro Luis Antonio Avenue, 1343, 9th Floor

São Paulo, SP, Brazil 01317-910

(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F ____X____                                                         Form 40-F ________

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Yes ________                                                                       No ____X____

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

Yes ________                                                                       No ____X____

ULTRAPAR HOLDINGS INC.

TABLE OF CONTENTS

ITEM

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ULTRAPAR PARTICIPAÇÕES S.A.

MARKET ANNOUNCEMENT

Ultra Day 2024

São Paulo, September 05, 2024 – Ultrapar Participações S.A. (B3: UGPA3 / NYSE: UGP, “Company”), in compliance with CVM Resolution 44/21 and with the 2024 Annual Ofício-Circular CVM/SEP, informs to its shareholders and the market in general that it will host the annual event with investors and analysts on September 6, 2024, at 10:00 a.m. BRT (09:00 a.m. EDT), to discuss the strategy of the Company and the companies in its portfolio.

The event may be accessed through the link ultraday2024.com.br and will be simultaneously translated to English.

Rodrigo de Almeida Pizzinatto

Chief Financial and Investor Relations Officer

Ultrapar Participações S.A.

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, thereunto duly authorized.

Date: September 05, 2024

(Market announcement)