---
schema_version: "secwatch.filing_event.v1"
accession: "0001575872-23-001032"
form_type: "8-K"
ticker: "ESLA"
cik: "0001844417"
company_name: "Estrella Immunopharma, Inc."
filed_at: "2023-06-23T23:59:59+00:00"
generated_at: "2026-06-13T18:25:38.794195+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# TradeUP Acquisition receives Nasdaq extension to Oct 16, 2023 for Public Holder Rule compliance

## Summary
- Nasdaq granted extension until October 16, 2023 to regain compliance with Listing Rule 5550(a)(3).
- Company had previously disclosed non-compliance and submitted a compliance plan on June 5, 2023.
- Failure to regain compliance by deadline may result in delisting from Nasdaq.

## SEC filing metadata
- accession: 0001575872-23-001032
- form_type: 8-K
- ticker: ESLA
- cik: 0001844417
- company_name: Estrella Immunopharma, Inc.
- filed_at: 2023-06-23T23:59:59+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844417/000157587223001032/0001575872-23-001032-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844417/000157587223001032/uptd-20230622.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001575872-23-001032
- JSON: https://secwatch.observer/filing/0001575872-23-001032.json
- Plain text: https://secwatch.observer/filing/0001575872-23-001032.txt

## Key facts
- Listing & Compliance Notices
  Estrella Immunopharma, Inc. received a nasdaq deficiency notice notice regarding other (rules 5550(a)(3)).
  - Exchange: nasdaq
  - Notice: deficiency notice
  - Rules: 5550(a)(3)
  source text: June 22, 2023, TradeUP Acquisition Corp. (the “Company”) received a notification letter from the Listing Qualifications Department of The Nasdaq Stock Markets (“Nasdaq”) stating that the Nasdaq Staff had determined to grant the Company an extension of time through October 16, 2023 to regain compliance with Listing Rule 5550(a)(3) (the “Public Holder Rule”). As previously disclosed, the Company had received a separate written notice from Nasdaq stating that the Company did not meet the requirements of the Public Holder Rule. The Company submitted its plan of compliance on June 5, 2023 according
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844417/000157587223001032/0001575872-23-001032-index.htm

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