{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-23-022701","form_type":"8-K","ticker":"MNTS","cik":"0001781162","company_name":"Momentus Inc.","filed_at":"2023-05-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:40.529462+00:00","generated_at":"2026-06-16T01:26:01.317705+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Momentus accelerates CFO Eric Williams' designation as principal financial and accounting officer","bullets":["On May 1, 2023, Board designated Eric R. Williams as principal financial and accounting officer, effective immediately.","Transition from Interim CFO Dennis Mahoney to Williams accelerated ahead of schedule (previously after Q1 2023 10-Q filing).","Williams remains CFO; Mahoney's interim role ends."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-23-022701","json":"https://secwatch.observer/filing/0001140361-23-022701.json","markdown":"https://secwatch.observer/filing/0001140361-23-022701.md","text":"https://secwatch.observer/filing/0001140361-23-022701.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1781162/000114036123022701/0001140361-23-022701-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1781162/000114036123022701/brhc20052428_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T01:26:01.317705+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":"bb65a9ffc6","claim":"Dennis Mahoney changed role as Interim Chief Financial Officer at Momentus Inc..","evidence_excerpt":"This designation accelerated the transition of responsibilities from the Company’s Interim Chief Financial Officer, Dennis Mahoney, to Mr. Williams, which had previously been scheduled to occur after the filing of the Company’s Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1781162/000114036123022701/0001140361-23-022701-index.htm","confidence":0.9,"family_label":"Executive change","details":[{"label":"Action","value":"transitioned"},{"label":"Role","value":"Interim Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"f8839afceb","claim":"Eric R. Williams changed role as Chief Financial Officer at Momentus Inc..","evidence_excerpt":"On May 1, 2023, the Board of Directors of Momentus Inc. (the “Company”) designated Eric R. Williams, the Company’s Chief Financial Officer, as the Company’s principal financial officer and principal accounting officer, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1781162/000114036123022701/0001140361-23-022701-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"designated"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}