{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-374787","form_type":"8-K","ticker":"BOLD","cik":"0001782303","company_name":"Boundless Bio, Inc.","filed_at":"2026-08-28T21:25:54+00:00","discovered_at":"2026-08-28T21:28:06.614801+00:00","generated_at":"2026-08-28T21:28:14.929721+00:00","sec_items":["1.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Boundless Bio amends Serapha merger: RSU conversion, pre-funded warrants, vote standard","bullets":["Amendment No. 1 (8/28/26) to the June 22, 2026 merger agreement among Boundless Bio, Boulder Merger Sub, and Serapha Bio.","Serapha RSUs (vested or unvested) convert into Assumed RSUs covering Boundless Bio common stock at the Exchange Ratio.","Pre-funded warrants with $0.00001 exercise price issued as Merger Consideration for holders exceeding Beneficial Ownership Limits (0–19.99%).","Vote standard for increasing authorized Boundless Bio shares changed to majority of shares properly cast, not majority outstanding.","Company Pre-Closing Financing definitions clarified; cash proceeds of at least the minimum amount required by 8/28/26 close."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-374787","json":"https://secwatch.observer/filing/0001193125-26-374787.json","markdown":"https://secwatch.observer/filing/0001193125-26-374787.md","text":"https://secwatch.observer/filing/0001193125-26-374787.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1782303/000119312526374787/0001193125-26-374787-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1782303/000119312526374787/d111273d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-28T21:28:14.929721+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}