{"filing":{"accession_number":"0001515156-26-000069","cik":"0001515156","ticker":"ARQ","company_name":"Arq, Inc.","form":"8-K","filing_date":"2026-05-27","report_date":null,"primary_document":"ades-20260520.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/ades-20260520.htm"},"events":[{"id":8841,"run_id":7763,"accession_number":"0001515156-26-000069","anchor_item_number":"5.02","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"summary":"Shimon Steinmetz was appointed as Executive Vice President and Chief Financial Officer, effective on or prior to July 27, 2026, with a base salary of $500,000, bonus targets, RSAs, and PSUs, along with specified severance provisions.","company_name":"Arq, Inc.","ticker":"ARQ","filing_date":"2026-05-27","form":"8-K","submitted_at":null,"items":[{"id":2047,"accession_number":"0001515156-26-000069","item_number":"5.02","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"The disclosure centers on the appointment of Shimon Steinmetz as Executive Vice President and Chief Financial Officer, effective on or prior to July 27, 2026. While the section also mentions the resignation of Chief Accounting Officer Stacia Hansen, the principal action and the bulk of the disclosure focuses on the CFO appointment, including detailed background, compensation terms (base salary of $500,000, bonus targets, RSAs, and PSUs), and severance provisions. This is a material executive appointment to a principal financial officer role.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-28T02:38:24.061455+00:00","company_name":"","ticker":null,"filing_date":""},{"id":2048,"accession_number":"0001515156-26-000069","item_number":"8.01","item_title":null,"event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.45,"reasoning":"Item 8.01 discloses a press release announcing \"management changes\" but provides no substantive detail about the nature, scope, or identity of those changes. Without access to Exhibit 99.1 or other Items in the 8-K, the specific event type (exec_departure, exec_appointment, or exec_compensation) cannot be reliably determined. The reference to management changes suggests materiality, but the classification must remain provisional pending review of the full filing context.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-28T02:38:24.061455+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":2047,"accession_number":"0001515156-26-000069","item_number":"5.02","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"The disclosure centers on the appointment of Shimon Steinmetz as Executive Vice President and Chief Financial Officer, effective on or prior to July 27, 2026. While the section also mentions the resignation of Chief Accounting Officer Stacia Hansen, the principal action and the bulk of the disclosure focuses on the CFO appointment, including detailed background, compensation terms (base salary of $500,000, bonus targets, RSAs, and PSUs), and severance provisions. This is a material executive appointment to a principal financial officer role.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-28T02:38:24.061455+00:00","company_name":"Arq, Inc.","ticker":"ARQ","filing_date":"2026-05-27"},{"id":2048,"accession_number":"0001515156-26-000069","item_number":"8.01","item_title":null,"event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.45,"reasoning":"Item 8.01 discloses a press release announcing \"management changes\" but provides no substantive detail about the nature, scope, or identity of those changes. Without access to Exhibit 99.1 or other Items in the 8-K, the specific event type (exec_departure, exec_appointment, or exec_compensation) cannot be reliably determined. The reference to management changes suggests materiality, but the classification must remain provisional pending review of the full filing context.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-28T02:38:24.061455+00:00","company_name":"Arq, Inc.","ticker":"ARQ","filing_date":"2026-05-27"}]}