{"schema_version":"secwatch.filing_event.v1","accession":"0001575872-23-000316","form_type":"8-K","ticker":"ESLA","cik":"0001844417","company_name":"Estrella Immunopharma, Inc.","filed_at":"2023-03-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:47.085123+00:00","generated_at":"2026-06-18T13:34:50.892714+00:00","sec_items":["1.01","2.03","3.02","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"TradeUP Acquisition Corp. issues $50,000 promissory note to founder for working capital","bullets":["$50,000 unsecured promissory note issued to Tradeup INC., a founder of the SPAC.","Note bears no interest; payable upon business combination or expiry of SPAC term.","Payee may convert note into shares at $10.00 per share prior to business combination.","Proceeds used for general working capital purposes.","Issuance exempt from registration under Section 4(a)(2) of Securities Act."],"urls":{"canonical":"https://secwatch.observer/filing/0001575872-23-000316","json":"https://secwatch.observer/filing/0001575872-23-000316.json","markdown":"https://secwatch.observer/filing/0001575872-23-000316.md","text":"https://secwatch.observer/filing/0001575872-23-000316.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1844417/000157587223000316/0001575872-23-000316-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1844417/000157587223000316/uptd-20230303.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-18T13:34:50.892714+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":"1a784c372c23eb474bec6b76dae4da69023a1aa4","claim":"Estrella Immunopharma, Inc. incurred loan of $50,000 with Tradeup INC. at no interest.","evidence_excerpt":"On March 3, 2023, TradeUP Acquisition Corp. (the “Company”) issued an unsecured promissory note (the “Promissory Note”) in the amount of $50,000 to Tradeup INC., one of the founders of the Company.","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1844417/000157587223000316/0001575872-23-000316-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"loan"},{"label":"Principal","value":"$50,000"},{"label":"Counterparty","value":"Tradeup INC."},{"label":"Rate","value":"no interest"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}