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Security

RainRock Acquisition Corp. Units · RRCKU

RRCKUNASDAQUnitCurrentCIK 2089787Updated Oct 6, 2026

Company: RainRock Acquisition Corp. →

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About the company

We are a blank check company newly incorporated as a Cayman Islands exempted company on September 9, 2025 for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses or entities, 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.

S-1 · 2026-09-01 · 0001213900-26-095969

Company description from the cited filing.

In the news

No coverage from other publishers is available.

Recent filings

  1. S-1 filing

    S-1 · 2026-09-01 · 0001213900-26-095969

Offerings

Registration 333-298678

S-1 · 2026-09-01 · 0001213900-26-095969

Terms from the governing filing for this registration; not a claim that the offering is open today.

Underwriters: Cohen & Company Capital Markets

Filing attachments

ea027126602ex4-1.htm · S-1 · 2026-09-01

EX-4.1 5 ea027126602ex4-1.htm SPECIMEN UNIT CERTIFICATE Exhibit 4.1 NUMBER UNITS ───────────────────── U- SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP [_] RAINROCK ACQUISITION CORP. UNITS CONSISTING OF ONE CLASS A ORDINARY SHARE AND ONE SHARE RIGHT, EACH SHARE RIGHT ENTITLING THE HOLDER TO RECEIVE ONE TENTH OF ONE CLASS A ORDINARY SHARE THIS CERTIFIES THAT is the owner of Units of RainRock Acquisition Corp., a Cayman Islands exempted company (the “Company”), transferrable on th…

S-1 · 2026-09-01 · 0001213900-26-095969

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ea027126602ex4-2.htm · S-1 · 2026-09-01

EX-4.2 6 ea027126602ex4-2.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 [_] RAINROCK ACQUISITION CORP. 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 VALUE $0.0001 EA…

S-1 · 2026-09-01 · 0001213900-26-095969

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ea027126602ex4-3.htm · S-1 · 2026-09-01

EX-4.3 7 ea027126602ex4-3.htm SPECIMEN SHARE RIGHTS CERTIFICATE Exhibit 4.3 NUMBER RIGHTS ───────────────────────── ________R RAINROCK ACQUISITION CORP. INCORPORATED UNDER THE LAWS OF THE CAYMAN ISLANDS SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP [_] THIS CERTIFIES THAT, for value received _____________is the registered holder of a right or rights (the “Share Right” or “Share Rights,” respectively) to receive one-tenth of one Class A ordinary share, par value $0.0001 per sh…

S-1 · 2026-09-01 · 0001213900-26-095969

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ea027126602ex4-4.htm · S-1 · 2026-09-01

EX-4.4 8 ea027126602ex4-4.htm FORM OF SHARE RIGHTS AGREEMENT BETWEEN ODYSSEY TRANSFER & TRUST COMPANY AND THE REGISTRANT Exhibit 4.4 SHARE RIGHTS AGREEMENT This Share Rights Agreement (this “Agreement”) is made as of [●], 2026 between RainRock Acquisition Corp., a Cayman Islands exempted company (the “Company”), and Odyssey Transfer and Trust Company (the “Share Rights Agent”). WHEREAS, the Company has entered into an agreement with Cohen & Company Capital Markets, a division of Cohen & C…

S-1 · 2026-09-01 · 0001213900-26-095969

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ea027126602ex99-1.htm · S-1 · 2026-09-01

EX-99.1 23 ea027126602ex99-1.htm AUDIT COMMITTEE CHARTER Exhibit 99.1 RainRock Acquisition Corp. AUDIT COMMITTEE CHARTER I. Purpose The Audit Committee (the “Committee”) of the Board of Directors (the “Board”) of RainRock Acquisition Corp., a Cayman Islands exempted company (the “Company”), shall provide assistance to the Board in fulfilling its legal and fiduciary obligations to oversee: (a) the integrity of the financial statements and other financial information provided by the Compa…

S-1 · 2026-09-01 · 0001213900-26-095969

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ea027126602ex99-2.htm · S-1 · 2026-09-01

EX-99.2 24 ea027126602ex99-2.htm COMPENSATION COMMITTEE CHARTER Exhibit 99.2 RainRock Acquisition Corp. COMPENSATION COMMITTEE CHARTER Purpose ─────────── The Compensation Committee (the “Committee”) of the Board of Directors of RainRock Acquisition Corp., 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, equi…

S-1 · 2026-09-01 · 0001213900-26-095969

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