{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-23-058655","form_type":"8-K","ticker":"ESLA","cik":"0001844417","company_name":"Estrella Immunopharma, Inc.","filed_at":"2023-07-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:35.692734+00:00","generated_at":"2026-06-13T05:06:42.135916+00:00","sec_items":["1.01","2.03","3.02","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"TradeUP Acquisition Corp. issues $50,000 promissory note to founder Tradeup INC.","bullets":["Unsecured $50,000 promissory note to founder Tradeup INC. dated July 20, 2023, for working capital.","Non-interest bearing; payable upon business combination or company term expiry, whichever is earlier.","Payee may convert into private shares at $10 per share at least two business days before business combination.","Repayment excludes trust account funds; no claim on trust proceeds if no business combination."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-23-058655","json":"https://secwatch.observer/filing/0001213900-23-058655.json","markdown":"https://secwatch.observer/filing/0001213900-23-058655.md","text":"https://secwatch.observer/filing/0001213900-23-058655.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1844417/000121390023058655/0001213900-23-058655-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1844417/000121390023058655/ea182127-8k_tradeup.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T05:06:42.135916+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":"ab2f4f0873b3bc433c1683824258722262144fc8","claim":"Estrella Immunopharma, Inc. incurred loan of $50,000 with Tradeup INC. at no interest maturing upon the earlier to occur of (i) the consummation of the Business Combination or (ii) the date of expiry of the term of the Company.","evidence_excerpt":"On July 20, 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/1844417/000121390023058655/0001213900-23-058655-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":"Maturity","value":"upon the earlier to occur of (i) the consummation of the Business Combination or (ii) the date of expiry of the term of the Company"},{"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"}