# EDGAR Filing Document

**Accession Number:** 0002047455
**File Stem:** 0001829126-26-006522
**Filing Date:** 2026-6
**Character Count:** 4376
**Document Hash:** a659380460825381e1a9e53b8c35354f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001829126-26-006522.hdr.sgml**: 20260616

**ACCESSION NUMBER**: 0001829126-26-006522

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20260616

**ITEM INFORMATION**: Other Events

**FILED AS OF DATE**: 20260616

**DATE AS OF CHANGE**: 20260616

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Quartzsea Acquisition Corp
- **CENTRAL INDEX KEY:** 0002047455
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1130

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42555
- **FILM NUMBER:** 261093389

**BUSINESS ADDRESS:**
- **STREET 1:** SUITE 331
- **STREET 2:** 1185 6TH AVE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036
- **BUSINESS PHONE:** 212-612-1400

**MAIL ADDRESS:**
- **STREET 1:** SUITE 331
- **STREET 2:** 1185 6TH AVE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036

?xml version='1.0' encoding='ASCII'?

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-K**

**CURRENT REPORT**

**Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934**

Date of Report (Date of earliest event reported): June 16, 2026

**<u>Quartzsea Acquisition Corporation</u>**

**(Exact name of registrant as specified in its charter)**

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| | | |
|:---|:---|:---|
| **Cayman Islands** | **001-42555** | **N/A** |
| (State or other jurisdiction <br>of incorporation) | (Commission<br> File Number) | (IRS Employer <br>Identification No.) |

---

---

| | |
|:---|:---|
| **1185 Avenue of the Americas, Suite 304**<br> **New York, NY** | **10036** |
| (Address of principal executive offices) | (Zip Code) |

---

Registrant's telephone number, including area code: **(212) 612-1400**

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation to the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading Symbol(s)** | **Name of exchange on which registered** |
| Units, each consisting of one ordinary share and one right | QSEAU | The Nasdaq Stock Market LLC |
| Ordinary shares, par value $0.0001 per share | QSEA | The Nasdaq Stock Market LLC |
| Rights, each right entitling the holder to receive one-fifth of one ordinary share | QSEAR | The Nasdaq Stock Market LLC |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

**Item 8.01 Other Events** 

On June 16, 2026, Quartzsea Acquisition Corporation (the "Company") announced that its Extraordinary General Meeting of Shareholders (the "Extraordinary General Meeting"), previously scheduled to be held at 4:00 p.m., Eastern Time, on June 16, 2026, has been postponed until 5:00 p.m., Eastern Time, on June 18, 2026.

**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | |
|:---|:---|
| QUARTZSEA ACQUISITION CORPORATION | QUARTZSEA ACQUISITION CORPORATION |
| By: | */s/ Qi Gong* |
| Name: | Qi Gong |
| Title: | Chief Executive Officer |
| Date: June 16, 2026 | Date: June 16, 2026 |

---