---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-23-044568"
form_type: "8-K"
ticker: null
cik: "0001870129"
company_name: "Rose Hill Acquisition Corp"
filed_at: "2023-09-20T23:59:59+00:00"
generated_at: "2026-06-10T12:35:49.726643+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Nasdaq adds total shareholder deficiency to Rose Hill delisting determination; hearing set for Oct 5

## Summary
- Nasdaq added Rule 5550(a)(3) non-compliance (minimum 400 total shareholders) to prior deficiency for publicly held shares.
- Hearing before Nasdaq Hearings Panel remains scheduled for October 5, 2023; delisting stay continues pending decision.
- Company previously disclosed deficiency in publicly held shares (Rule 5550(a)(4)); new deficiency adds risk to listing.
- No assurance that Nasdaq Panel will grant additional compliance period; securities stay in effect pending decision.

## SEC filing metadata
- accession: 0001140361-23-044568
- form_type: 8-K
- cik: 0001870129
- company_name: Rose Hill Acquisition Corp
- filed_at: 2023-09-20T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1870129/000114036123044568/0001140361-23-044568-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1870129/000114036123044568/ef20010955_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-23-044568
- JSON: https://secwatch.observer/filing/0001140361-23-044568.json
- Plain text: https://secwatch.observer/filing/0001140361-23-044568.txt

## Key facts
- Listing & Compliance Notices
  Rose Hill Acquisition Corp received a nasdaq delisting notice notice regarding other (rules 5550(a)(4), 5550(a)(3)).
  - Exchange: nasdaq
  - Notice: delisting notice
  - Rules: 5550(a)(4), 5550(a)(3)
  source text: July 26, 2023, Rose Hill Acquisition Corporation (the “Company”) received a delisting determination letter (the “Determination Letter”) from the staff (“Staff”) of the Listing Qualifications Department of The Nasdaq Stock Market LLC (“Nasdaq”) notifying the Company that (i) it had not regained compliance with Nasdaq Listing Rule 5550(a)(4) requiring a minimum of 500,000 publicly held shares by the extension deadline of July 24, 2023, which was granted to the Company by the Staff pursuant to the Company’s plan of compliance submitted to the Staff on February 7, 2023 and later supplemented on
  evidence_url: https://www.sec.gov/Archives/edgar/data/1870129/000114036123044568/0001140361-23-044568-index.htm

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