{"url_path":"/sec/aqms/10-q/2026/item-4","section_key":"item-4","section_title":"Item 4 Controls and Procedures**","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-14","source_url":"https://www.sec.gov/Archives/edgar/data/1621832/0001437749-26-017038-index.html","accession_number":"0001437749-26-017038","cik":"0001621832","ticker":"AQMS","issuer_name":"Aqua Metals, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1621832/0001437749-26-017038-index.html","primary_entity_key":"0001621832","primary_entity_name":"Aqua Metals, Inc."},"word_count":133,"has_tables":true,"body_markdown":"**Item 4. Controls and Procedures**\n\n \n\n**Evaluation of Disclosure Controls and Procedures**\n\n \n\nOur management, with the participation of our chief executive officer and chief financial officer, evaluated the effectiveness of the design and operation of our disclosure controls and procedures pursuant to Rule 13a-15 of the Securities Exchange Act of 1934. Based on that evaluation, management, including our chief executive officer and chief financial officer, concluded that our disclosure controls and procedures were effective as of March 31, 2026.\n\n \n\n**Changes in Internal Control Over Financial Reporting**\n\n \n\nThere were no changes in our internal control over financial reporting that occurred during the three month period ended March 31, 2026 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.\n\n \n\n18\n\n[Table of Contents](#toc)\n\n \n\n**PART II - OTHER INFORMATION**"}