---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-25-002082"
form_type: "8-K"
ticker: "QSEA"
cik: "0002047455"
company_name: "Quartzsea Acquisition Corp"
filed_at: "2025-03-27T23:59:59+00:00"
generated_at: "2026-05-24T04:25:40.902813+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Quartzsea Acquisition Corp closes IPO of 8.28M units at $10, raising $82.8M in trust

## Summary
- IPO of 8,280,000 units at $10/unit closed March 19; gross proceeds $82.8M.
- Underwriters fully exercised overallotment (1,080,000 additional units).
- Private placement of 231,900 units to sponsor Blue Jay Investment for $2,319,000.
- Net proceeds of $82.8M deposited in trust; cash outside trust $1,245,878.
- Auditor notes going concern: 15-month deadline to complete business combination by June 19, 2026.

## SEC filing metadata
- accession: 0001829126-25-002082
- form_type: 8-K
- ticker: QSEA
- cik: 0002047455
- company_name: Quartzsea Acquisition Corp
- filed_at: 2025-03-27T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2047455/000182912625002082/0001829126-25-002082-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2047455/000182912625002082/quartzsea_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-25-002082
- JSON: https://secwatch.observer/filing/0001829126-25-002082.json
- Plain text: https://secwatch.observer/filing/0001829126-25-002082.txt

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