{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-201791","form_type":"8-K","ticker":null,"cik":"0001962918","company_name":"ACELYRIN, Inc.","filed_at":"2023-08-02T23:59:59+00:00","discovered_at":"2026-05-14T18:03:36.132674+00:00","generated_at":"2026-06-12T15:06:24.628917+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"CFO Mardi Dier resigns; Gil Labrucherie named interim CFO","bullets":["Mardi C. Dier resigned as CFO and CBO effective Aug 15, 2023, via mutual agreement.","Severance: one year base salary ($500K), 50% pro-rated bonus ($62.5K), COBRA for one year, vesting acceleration on 252,607 options.","Gil Labrucherie appointed interim CFO effective Aug 2, 2023; he previously served as CFO from July to Nov 2022.","Labrucherie will receive $500 per hour under a consulting agreement; holds CFA and J.D. from Berkeley.","Company will search for a permanent CFO; Labrucherie serves as principal financial and accounting officer."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-201791","json":"https://secwatch.observer/filing/0001193125-23-201791.json","markdown":"https://secwatch.observer/filing/0001193125-23-201791.md","text":"https://secwatch.observer/filing/0001193125-23-201791.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1962918/000119312523201791/0001193125-23-201791-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1962918/000119312523201791/d457542d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-12T15:06:24.628917+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":"7a1b24d187","claim":"Gil Labrucherie was appointed as Chief Financial Officer (Interim) at ACELYRIN, Inc..","evidence_excerpt":"the Company appointed Gil Labrucherie as the Company’s Chief Financial Officer on an interim basis, effective as of August 2, 2023","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1962918/000119312523201791/0001193125-23-201791-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Financial Officer (Interim)"}],"fact_type":"executive_change"},{"claim_id":"d28ac59902","claim":"Mardi C. Dier resigned as Chief Financial Officer and Chief Business Officer at ACELYRIN, Inc..","evidence_excerpt":"Mardi C. Dier has resigned from her position as Chief Financial Officer and Chief Business Officer of ACELYRIN, Inc. (the “Company”) through mutual agreement between the Company and Ms. Dier.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1962918/000119312523201791/0001193125-23-201791-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Financial Officer and Chief Business Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}