{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-23-056454","form_type":"8-K","ticker":"ESLA","cik":"0001844417","company_name":"Estrella Immunopharma, Inc.","filed_at":"2023-07-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:35.692107+00:00","generated_at":"2026-06-13T09:35:15.891249+00:00","sec_items":["8.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"TradeUP Acquisition Corp. to liquidate trust account into cash, announces July 31 special meeting for Estrella merger","bullets":["Trust account to liquidate U.S. treasury obligations and money market funds on July 14, 2023; proceeds held in cash to avoid Investment Company Act classification.","Proxy statement/prospectus for business combination with Estrella Biopharma declared effective July 11, 2023; special meeting set for July 31, 2023.","Extension meeting on July 17, 2023 to vote on extending combination deadline to July 14, 2024; redemption price ~$10.51/share if extension approved.","Public stockholders may redeem shares at ~$10.51 in connection with extension (deadline July 13) or at expected ~$0.05 higher for merger (deadline July 27).","If extension approved, additional $0.05 per share deposited monthly into trust for each non-redeemed share beyond July 19, 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-23-056454","json":"https://secwatch.observer/filing/0001213900-23-056454.json","markdown":"https://secwatch.observer/filing/0001213900-23-056454.md","text":"https://secwatch.observer/filing/0001213900-23-056454.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1844417/000121390023056454/0001213900-23-056454-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1844417/000121390023056454/ea181670-8k_tradeupacq.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T09:35:15.891249+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"}