{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-056725","form_type":"8-K","ticker":"KLRS","cik":"0001754068","company_name":"Kalaris Therapeutics, Inc.","filed_at":"2025-03-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.722666+00:00","generated_at":"2026-05-24T14:04:04.961856+00:00","sec_items":["2.01","9.01","5.02","2.02","5.01","5.03","5.06","7.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.9,"calibrated_materiality_score":0.9,"confidence":"high","headline":"AlloVir completes reverse merger with Legacy Kalaris; ticker changes to KLRS on Nasdaq","bullets":["Post-merger combined company focuses on retinal disease therapeutics; TH103 is lead candidate.","Legacy Kalaris securityholders own 74.47% of combined company; ~18.7M shares outstanding.","Samsara BioCapital LP holds 61.19% of shares post-merger; new board and officers appointed.","Ticker changes from ALVR to KLRS on Nasdaq Global Market effective March 19, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-056725","json":"https://secwatch.observer/filing/0001193125-25-056725.json","markdown":"https://secwatch.observer/filing/0001193125-25-056725.md","text":"https://secwatch.observer/filing/0001193125-25-056725.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1754068/000119312525056725/0001193125-25-056725-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1754068/000119312525056725/d925335d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T14:04:04.961856+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":"04e14c9f82","claim":"Derek Adams resigned as Director at Kalaris Therapeutics, Inc..","evidence_excerpt":"at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. 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