Harbour Island Acquisition Corp. I (HRIA) (CIK 0002131072) filed Form S-1/A

Harbour Island Acquisition Corp. I (HRIA) filed an amended Form S-1/A with the SEC on October 7, 2026, according to SEC EDGAR filings. The amended registration (accession number 0001213900-26-107627) updates the company's prior S-1 submission for its proposed initial public offering.

Harbour Island Acquisition Corp. I is a special purpose acquisition company (SPAC), a blank-check vehicle designed to merge with or acquire an operating business. The S-1/A filing represents a standard step in the SPAC IPO process, wherein the company amends its initial registration statement to reflect updated financial, corporate governance, or transaction-related disclosures ahead of or during public trading.

The amended filing does not disclose specific details about a target acquisition, valuation, or merger timeline in the SEC filing metadata available. SPACs typically announce their business combination plans either at or after their public listing. The filing accession number and CIK identifier (0002131072) are registered in the SEC's EDGAR database, allowing investors and regulators to access the full prospectus and related documents.

As a SPAC, Harbour Island Acquisition Corp. I will need to complete a business combination within a specified timeframe (typically 24 months) or return capital to shareholders. The amended S-1/A suggests the company is progressing through the SEC review process for its IPO launch.