---
schema_version: "secwatch.filing_event.v1"
accession: "0001575872-23-000556"
form_type: "8-K"
ticker: "ESLA"
cik: "0001844417"
company_name: "Estrella Immunopharma, Inc."
filed_at: "2023-04-13T23:59:59+00:00"
generated_at: "2026-06-17T02:45:28.943081+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# TradeUP extends business combination deadline to May 19, 2023 with Estrella deposit of $45,511

## Summary
- Estrella Biopharma deposited $45,511 ($0.05 per public share) into trust to extend deadline from April 19 to May 19, 2023.
- Extension Note is unsecured, non-interest bearing, payable upon business combination close or termination.
- Estrella has right to convert note into private shares at $10.00 per share before closing.
- Company may extend monthly through July 19, 2023 per charter by depositing $45,511 each month.

## SEC filing metadata
- accession: 0001575872-23-000556
- form_type: 8-K
- ticker: ESLA
- cik: 0001844417
- company_name: Estrella Immunopharma, Inc.
- filed_at: 2023-04-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844417/000157587223000556/0001575872-23-000556-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844417/000157587223000556/uptd-20230303.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001575872-23-000556
- JSON: https://secwatch.observer/filing/0001575872-23-000556.json
- Plain text: https://secwatch.observer/filing/0001575872-23-000556.txt

## Key facts
- Debt Financings
  Estrella Immunopharma, Inc. incurred loan of $45,511 with Estrella at no interest maturing upon the consummation of the Company's business combination.
  - Instrument: loan
  - Principal: $45,511
  - Counterparty: Estrella
  - Rate: no interest
  - Maturity: upon the consummation of the Company's business combination
  - Event: incurrence
  source text: Estrella has deposited a monthly extension payment of $45,511 to the trust account of the Company to extend the deadline for the Company to complete the business combination contemplated therein by May 19, 2023. Such deposit is evidenced by an unsecured promissory note in the principal amount of o $45,511 issued by the Company to Estrella (the “Extension Note”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844417/000157587223000556/0001575872-23-000556-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.