ULTRAPAR HOLDINGS INC

Foreign Filer Report • Sep 18, 2025

6-K 1 MainDocument.htm 6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

Report o f Foreign Private Issuer

Pursuant t o Rule 13a-16 Or 15d-16 Of

The Securities Exchange Act Of 1934

For the month of September 20 25

Commission File Number: 001-14950

ULTRAPAR HOLDINGS INC.

(Translation of Registrant’s Name into English)

Brigadeiro Luis Antonio Avenue , 1343, 9 th 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

1. Market announcement

ULTRAPAR PARTICIPAÇÕES S.A.

MARKET ANNOUCEMENT

Ultra Day 2025 EndFragment

São Paulo, September 18, 2025 – Ultrapar Participações S.A. (B3: UGPA3 / NYSE: UGP, “Company”), in compliance with CVM Resolution 44/21 and with the 2025 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 19, 2025, at 9:30 a.m. BRT (8:30 a.m. EDT), to discuss the strategy of the Company and the companies in its portfolio.

The event may be accessed through the link ultraday2025.com.br and will be simultaneously translated to English. EndFragment

Alexandre Mendes Palhares

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 18, 2025

ULTRAPAR HOLDINGS INC.
By:	/s/ Alexandre Mendes Palhares
Name:	Alexandre Mendes Palhares
Title:	Chief Financial and Investor Relations Officer

( Market announcement)