Ambipar Emergency Response(AMBI) - 2023 Q4 - Annual Report

| --- | --- | |----------------------|--------------------------------------------------| | | | | Washington, DC 20549 | UNITED STATES SECURITIES AND EXCHANGE COMMISSION | | | FORM 20-F | (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANG ...