---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-26-006629"
form_type: "8-K"
ticker: "QSEA"
cik: "0002047455"
company_name: "Quartzsea Acquisition Corp"
filed_at: "2026-06-17T21:54:10+00:00"
generated_at: "2026-06-18T10:09:04.737027+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Quartzsea postpones EGM to June 23; seeks extension to Oct 19 for business combination

## Summary
- Extraordinary General Meeting rescheduled from June 18 to June 23, 2026 at 5:00 p.m. ET.
- Redemption deadline extended to June 23, 2026 at 5:00 p.m. ET.
- Proposal would extend deadline to consummate initial business combination from June 19 to Oct 19, 2026 via up to four one-month extensions.
- Monthly trust contribution would be the lesser of $0.033 per public share or $175,000.
- Voting remains open until 11:59 p.m. ET on June 22, 2026.

## SEC filing metadata
- accession: 0001829126-26-006629
- form_type: 8-K
- ticker: QSEA
- cik: 0002047455
- company_name: Quartzsea Acquisition Corp
- filed_at: 2026-06-17T21:54:10+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2047455/000182912626006629/0001829126-26-006629-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2047455/000182912626006629/quartzsea_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-26-006629
- JSON: https://secwatch.observer/filing/0001829126-26-006629.json
- Plain text: https://secwatch.observer/filing/0001829126-26-006629.txt

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