{"schema_version":"secwatch.filing_event.v1","accession":"0001515156-26-000069","form_type":"8-K","ticker":"ARQ","cik":"0001515156","company_name":"Arq, Inc.","filed_at":"2026-05-27T20:32:10+00:00","discovered_at":"2026-05-27T20:33:00.345384+00:00","generated_at":"2026-05-27T20:34:49.217608+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Arq appoints Shimon Steinmetz as CFO, CAO Stacia Hansen resigns","bullets":["Shimon Steinmetz appointed EVP & CFO effective on or before July 27, 2026.","Steinmetz receives $500K base salary, 50% target bonus, 80% LTI target; plus 250K RSAs and 150K PSUs with stock price hurdles ($8, $10, $15 VWAP).","Stacia Hansen resigns as Chief Accounting Officer and Treasurer, effective June 12, 2026; no disagreement cited.","Steinmetz has over 20 years experience, prior CFO at Finjan Holdings and Vesta, and stints at Alvarez & Marsal and investment banking."],"urls":{"canonical":"https://secwatch.observer/filing/0001515156-26-000069","json":"https://secwatch.observer/filing/0001515156-26-000069.json","markdown":"https://secwatch.observer/filing/0001515156-26-000069.md","text":"https://secwatch.observer/filing/0001515156-26-000069.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/0001515156-26-000069-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/ades-20260520.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-27T20:34:49.217608+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"4fcc1c4fb6","claim":"Stacia Hansen resigned as Chief Accounting Officer and Treasurer at Arq, Inc..","evidence_excerpt":"On May 20, 2026, Stacia Hansen, the Chief Accounting Officer and Treasurer of the Company, submitted her resignation and the Board accepted such resignation. The effective date of Ms. Hansen's resignation as Chief Accounting Officer is expected to be June 12, 2026.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/0001515156-26-000069-index.htm","confidence":0.95},{"claim_id":"5eef8f91e6","claim":"Shimon Steinmetz was appointed as Executive Vice President and Chief Financial Officer at Arq, Inc..","evidence_excerpt":"On May 26, 2026, the Board of Directors (the “Board”) of Arq, Inc. (the “Company”) appointed Shimon Steinmetz, 48, as the Company’s Executive Vice President and Chief Financial Officer, effective as of his commencement date which will be on or prior to July 27, 2026.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/0001515156-26-000069-index.htm","confidence":0.95}],"comparable_filings":[{"accession":"0001628280-26-039461","ticker":"GRAL","company_name":"GRAIL, Inc.","filed_at":"2026-06-01T20:07:27+00:00","headline":"GRAIL appoints Joshua Ofman as CEO with amended compensation and severance","event_type":"leadership","sec_items":["5.02","8.01","9.01"],"materiality_score":0.7,"calibrated_materiality_score":0.7,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 8.01, 9.01","same event type: leadership","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-039461","json":"https://secwatch.observer/filing/0001628280-26-039461.json","markdown":"https://secwatch.observer/filing/0001628280-26-039461.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1699031/000162828026039461/0001628280-26-039461-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1699031/000162828026039461/gral-20260601.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"On May 20, 2026, Stacia Hansen, the Chief Accounting Officer and Treasurer of the Company, submitted her resignation and the Board accepted such resignation. The effective date of Ms. Hansen's resignation as Chief Accounting Officer is expected to be June 12, 2026.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/0001515156-26-000069-index.htm","comparable_excerpt":"Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers In connection with Dr. Joshua Ofman’s appointment as the Chief Executive Officer of GRAIL, Inc. (the “Company”), on June 1, 2026, the Company’s board of directors (the “Board”) approved an amended and restated offer letter (the “Amended Offer Letter”) and authorized and directed the Company to enter into such Amended Offer Letter with Dr. Ofman, with the Amended Offer Letter effective as of June 1, 2026 (the “Effective Date”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1699031/000162828026039461/0001628280-26-039461-index.htm"}},{"accession":"0001193125-26-251709","ticker":"CRVL","company_name":"CORVEL CORP","filed_at":"2026-06-01T21:05:42+00:00","headline":"CorVel CEO Michael Combs to become Executive Chair; Sarah Scott appointed CEO and President effective July 1, 2026","event_type":"leadership","sec_items":["5.02","7.01","9.01"],"materiality_score":0.7,"calibrated_materiality_score":0.7,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 9.01","same event type: leadership","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-251709","json":"https://secwatch.observer/filing/0001193125-26-251709.json","markdown":"https://secwatch.observer/filing/0001193125-26-251709.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/874866/000119312526251709/0001193125-26-251709-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/874866/000119312526251709/d24231d8k.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"On May 20, 2026, Stacia Hansen, the Chief Accounting Officer and Treasurer of the Company, submitted her resignation and the Board accepted such resignation. The effective date of Ms. Hansen's resignation as Chief Accounting Officer is expected to be June 12, 2026.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/0001515156-26-000069-index.htm","comparable_excerpt":"In connection with the leadership transition, the Board appointed Sarah Scott to serve as Chief Executive Officer and President of the Company, effective July 1, 2026.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/874866/000119312526251709/0001193125-26-251709-index.htm"}},{"accession":"0001140361-26-023584","ticker":"WTTR","company_name":"Select Water Solutions, Inc.","filed_at":"2026-06-01T21:00:50+00:00","headline":"Select Water Solutions COO Skarke moves to Chief Commercial Officer; no successor named","event_type":"leadership","sec_items":["5.02","9.01"],"materiality_score":0.55,"calibrated_materiality_score":0.55,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 9.01","same event type: leadership","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-26-023584","json":"https://secwatch.observer/filing/0001140361-26-023584.json","markdown":"https://secwatch.observer/filing/0001140361-26-023584.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1693256/000114036126023584/0001140361-26-023584-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1693256/000114036126023584/ef20075332_8k.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"On May 20, 2026, Stacia Hansen, the Chief Accounting Officer and Treasurer of the Company, submitted her resignation and the Board accepted such resignation. The effective date of Ms. Hansen's resignation as Chief Accounting Officer is expected to be June 12, 2026.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/0001515156-26-000069-index.htm","comparable_excerpt":"Effective June 1, 2026, Michael C. Skarke transitioned from serving as the Executive Vice President and Chief Operating Officer of Select Water Solutions, Inc. (the “Company”) to serving as the Company’s Executive Vice President and Chief Commercial Officer,","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1693256/000114036126023584/0001140361-26-023584-index.htm"}},{"accession":"0001671933-26-000063","ticker":"TTD","company_name":"Trade Desk, Inc.","filed_at":"2026-06-01T20:35:28+00:00","headline":"The Trade Desk appoints Nate Olmstead as CFO effective July 9, 2026; interim CFO Davis resumes CAO role","event_type":"leadership","sec_items":["5.02","9.01"],"materiality_score":0.65,"calibrated_materiality_score":0.65,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 9.01","same event type: leadership","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001671933-26-000063","json":"https://secwatch.observer/filing/0001671933-26-000063.json","markdown":"https://secwatch.observer/filing/0001671933-26-000063.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1671933/000167193326000063/0001671933-26-000063-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1671933/000167193326000063/ttd-20260601.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"On May 20, 2026, Stacia Hansen, the Chief Accounting Officer and Treasurer of the Company, submitted her resignation and the Board accepted such resignation. The effective date of Ms. Hansen's resignation as Chief Accounting Officer is expected to be June 12, 2026.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/0001515156-26-000069-index.htm","comparable_excerpt":"On June 1, 2026, The Trade Desk, Inc. (the “Company”) announced the appointment of Nate Olmstead, age 54, as the Company’s chief financial officer.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1671933/000167193326000063/0001671933-26-000063-index.htm"}},{"accession":"0000105770-26-000080","ticker":"WST","company_name":"WEST PHARMACEUTICAL SERVICES INC","filed_at":"2026-06-01T20:32:30+00:00","headline":"West Pharmaceutical appoints Michel Lagarde as CEO; Green retires, Friel becomes Chair","event_type":"leadership","sec_items":["5.02","7.01","9.01"],"materiality_score":0.7,"calibrated_materiality_score":0.7,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 9.01","same event type: leadership","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0000105770-26-000080","json":"https://secwatch.observer/filing/0000105770-26-000080.json","markdown":"https://secwatch.observer/filing/0000105770-26-000080.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/105770/000010577026000080/0000105770-26-000080-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/105770/000010577026000080/wst-20260531.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"On May 20, 2026, Stacia Hansen, the Chief Accounting Officer and Treasurer of the Company, submitted her resignation and the Board accepted such resignation. The effective date of Ms. Hansen's resignation as Chief Accounting Officer is expected to be June 12, 2026.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/0001515156-26-000069-index.htm","comparable_excerpt":"As of the Start Date, Mr. Green will resign as a member of the Board and Mr. Lagarde will be appointed as a member of the Board to fill that vacancy.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/105770/000010577026000080/0000105770-26-000080-index.htm"}},{"accession":"0000060519-26-000024","ticker":"LPX","company_name":"LOUISIANA-PACIFIC CORP","filed_at":"2026-06-01T20:31:12+00:00","headline":"LP Building Solutions announces CFO succession: Alan Haughie to retire; Aaron Howald named CFO effective Sept 1, 2026","event_type":"leadership","sec_items":["5.02","7.01","9.01"],"materiality_score":0.55,"calibrated_materiality_score":0.55,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 9.01","same event type: leadership","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0000060519-26-000024","json":"https://secwatch.observer/filing/0000060519-26-000024.json","markdown":"https://secwatch.observer/filing/0000060519-26-000024.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/60519/000006051926000024/0000060519-26-000024-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/60519/000006051926000024/lpx-20260527.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"On May 20, 2026, Stacia Hansen, the Chief Accounting Officer and Treasurer of the Company, submitted her resignation and the Board accepted such resignation. The effective date of Ms. Hansen's resignation as Chief Accounting Officer is expected to be June 12, 2026.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/0001515156-26-000069-index.htm","comparable_excerpt":"On May 27, 2026, Alan J.M. Haughie, Executive Vice President and Chief Financial Officer of Louisiana-Pacific Corporation (“LP”, the “Company”), notified the Board of Directors of LP (the “Board”) of his intention to retire from the role of Executive Vice President and Chief Financial Officer, effective September 1, 2026.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/60519/000006051926000024/0000060519-26-000024-index.htm"}},{"accession":"0001193125-26-251522","ticker":"VRRM","company_name":"VERRA MOBILITY Corp","filed_at":"2026-06-01T20:29:13+00:00","headline":"Verra Mobility CEO David Roberts steps down amid cost realignment; interim CEO Keyser appointed","event_type":"leadership","sec_items":["5.02","7.01","9.01"],"materiality_score":0.75,"calibrated_materiality_score":0.75,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 9.01","same event type: leadership","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-251522","json":"https://secwatch.observer/filing/0001193125-26-251522.json","markdown":"https://secwatch.observer/filing/0001193125-26-251522.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1682745/000119312526251522/0001193125-26-251522-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1682745/000119312526251522/d39754d8k.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"On May 20, 2026, Stacia Hansen, the Chief Accounting Officer and Treasurer of the Company, submitted her resignation and the Board accepted such resignation. The effective date of Ms. Hansen's resignation as Chief Accounting Officer is expected to be June 12, 2026.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/0001515156-26-000069-index.htm","comparable_excerpt":"On June 1, 2026, Verra Mobility Corporation (the “Company”) announced that the Board of Directors of the Company (the “Board”) approved the appointment of Jonathan Keyser as the Interim President and Chief Executive Officer of the Company, effective May 31, 2026.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1682745/000119312526251522/0001193125-26-251522-index.htm"}},{"accession":"0001193125-26-251467","ticker":"PENG","company_name":"Penguin Solutions, Inc.","filed_at":"2026-06-01T20:17:28+00:00","headline":"Penguin Solutions CFO Nate Olmstead to step down; Aaron Johnson named interim CFO; reaffirms FY2026 guidance at high end","event_type":"leadership","sec_items":["5.02","7.01","9.01"],"materiality_score":0.7,"calibrated_materiality_score":0.7,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 9.01","same event type: leadership","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-251467","json":"https://secwatch.observer/filing/0001193125-26-251467.json","markdown":"https://secwatch.observer/filing/0001193125-26-251467.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1616533/000119312526251467/0001193125-26-251467-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1616533/000119312526251467/d104493d8k.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"On May 20, 2026, Stacia Hansen, the Chief Accounting Officer and Treasurer of the Company, submitted her resignation and the Board accepted such resignation. The effective date of Ms. Hansen's resignation as Chief Accounting Officer is expected to be June 12, 2026.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1515156/000151515626000069/0001515156-26-000069-index.htm","comparable_excerpt":"On May 31, 2026, the board of directors of the Company appointed Aaron Johnson, the Company’s Vice President, Finance and Accounting, as interim CFO and as the Company’s principal financial and accounting officer, succeeding Mr. Olmstead in these positions effective as of July 9, 2026, on an interim basis until the Company appoints a successor.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1616533/000119312526251467/0001193125-26-251467-index.htm"}}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}