Registration 333-298827
S-1 · 2026-09-09 · 0001213900-26-098404
Terms from the governing filing for this registration; not a claim that the offering is open today.
Company research
Harbour Island Acquisition Corp. I
CIK 2131072Updated Sep 29, 2026
Filing activity
Latest filing
1 filing on record · S-1.
About the company
We are a blank check company incorporated in April 2026, as a Cayman Islands exempted company and formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses, which we refer to throughout this prospectus as our initial business combination. We have not selected any business combination target and we have not, nor has anyone on our behalf, initiated any substantive discussions, directly or indirectly, with any business combination target. We may pursue an initial business combination in any business or industry.
Recent filings
Offerings
Registration 333-298827
Filing attachments
ea029915402ex4-1.htm · S-1 · 2026-09-09
EX-4.1 4 ea029915402ex4-1.htm SPECIMEN UNIT CERTIFICATE Exhibit 4.1 NUMBER UNITS U- SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP G4339W 122 HARBOUR ISLAND ACQUISITION CORP. I UNITS CONSISTING OF ONE CLASS A ORDINARY SHARE AND ONE-HALF OF ONE REDEEMABLE WARRANT, EACH WHOLE WARRANT ENTITLING THE HOLDER TO PURCHASE ONE CLASS A ORDINARY SHARE THIS CERTIFIES THAT ________ is the owner of ____ Units of Harbour Island Acquisition Corp. I, a Cayman Islands exempted company (the “Company…
Read attachment ↗ea029915402ex4-2.htm · S-1 · 2026-09-09
EX-4.2 5 ea029915402ex4-2.htm SPECIMEN ORDINARY SHARE CERTIFICATE Exhibit 4.2 [Form of Class A Ordinary Share Certificate] NUMBER NUMBER C-SHARES SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP G4339W 106 HARBOUR ISLAND ACQUISITION CORP. I INCORPORATED UNDER THE LAWS OF THE CAYMAN ISLANDS CLASS A ORDINARY SHARES This Certifies that ____________________ is the owner of ________________________ FULLY PAID AND NON-ASSESSABLE CLASS A ORDINARY SHARES OF PAR V…
Read attachment ↗ea029915402ex4-4.htm · S-1 · 2026-09-09
EX-4.4 6 ea029915402ex4-4.htm FORM OF WARRANT AGREEMENT BETWEEN CONTINENTAL STOCK TRANSFER & TRUST COMPANY AND THE REGISTRANT Exhibit 4.4 WARRANT AGREEMENT THIS WARRANT AGREEMENT (this “ Agreement ”), dated as of [●], 2026, is by and between Harbour Island Acquisition Corp. I, a Cayman Islands exempted company (the “ Company ”), and Continental Stock Transfer & Trust Company, a New York corporation, as warrant agent (in such capacity, the “ Warrant Agent,” and also referred to herein as th…
Read attachment ↗ea029915402ex99-1.htm · S-1 · 2026-09-09
EX-99.1 20 ea029915402ex99-1.htm AUDIT COMMITTEE CHARTER Exhibit 99.1 HARBOUR ISLAND ACQUISITION CORP. I AUDIT COMMITTEE CHARTER Purpose The Audit Committee (the “Committee”) of the Board of Directors (the “Board”) of Harbour Island Acquisition Corp. I, a Cayman Islands exempted company (the “Company”), shall provide assistance to the Board in fulfilling its legal and fiduciary obligations to oversee: (a) the accounting and financial reporting practices of the Company; (b) …
Read attachment ↗ea029915402ex99-2.htm · S-1 · 2026-09-09
EX-99.2 21 ea029915402ex99-2.htm COMPENSATION COMMITTEE CHARTER Exhibit 99.2 HARBOUR ISLAND ACQUISITION CORP. I COMPENSATION COMMITTEE CHARTER Purpose The Compensation Committee (the “Committee”) of the Board of Directors of Harbour Island Acquisition Corp. I, a Cayman Islands exempted company (the “Company”), shall have responsibility for the compensation of the Company’s executive officers, including the Company’s Chief Executive Officer (the “CEO”), and for incentive compensation, eq…
Read attachment ↗