# Harbour Island Acquisition Corp. I: filed a Form S-1 to go public (2026-09-09)

**Score:** 50/100

| Field | Value |
|---|---|
| Company | Harbour Island Acquisition Corp. I |
| CIK | 2131072 |
| Form | S-1 initial registration (US issuer) |
| Filed | 2026-09-09 |
| Industry | Finance, insurance and real estate (incl. SPACs) |
| SIC | 6770 |
| Location | Palm Beach, FL |
| SEC file number | 333-298827 |

## Why this score
- Initial registration: vendors not yet chosen.

Source: SEC EDGAR Form S-1 and F-1 registration statements (full-text search index) (https://www.sec.gov/Archives/edgar/data/2131072/000121390026098404/ea0299154-02.htm). Last refreshed: 2026-11-04T09:18:58.780Z.
From public SEC EDGAR filings. A registration statement is not a completed offering; many are amended, delayed or withdrawn. Informational only; not investment advice or an offer or solicitation to buy or sell any security.