Dune Acquisition Corp III

Blank Checks · CPPG

ipo amended Nasdaq S-1/A

Dune Acquisition Corp III IPO research page with SEC filing history, offering status, deal terms, structured filing extracts, company news, and comparable IPO context. Latest filing: S-1/A on 2026-08-21. Current deal snapshot: exchange Nasdaq.

Filing Timeline

SEC EDGAR

S-1/A amended

Amended registration statement

Updated registration statement filed after SEC comments or deal changes.

First tracked pre-IPO filing for this issuer.

Price $10.00 · 10,000,000 shares · Gross proceeds $100,000,000

Class A Ordinary Shares · Exchange Nasdaq · Ticker CPPG · Over-allotment 1,500,000 · Units of Class A Ordinary Shares and warrants · Warrants to purchase Class A Ordinary Shares · Use of proceeds For the initial business combination, working capital, and general corporate purposes · Flags cayman_holding_company, units, warrants · Underwriters Clear Street

2026-08-21 · 0001213900-26-092718

S-1/A amended

Amended registration statement

Updated registration statement filed after SEC comments or deal changes.

First tracked pre-IPO filing for this issuer.

Price $10.00 · 10,000,000 shares · Gross proceeds $100,000,000

Units consisting of one Class A ordinary share and one-half of one redeemable warrant · Exchange Nasdaq · Ticker CPPGU · Over-allotment 1,500,000 · Each unit consists of one Class A ordinary share and one-half of one redeemable warrant · Each warrant entitles the holder to purchase one Class A ordinary share at $11.50 per share · Use of proceeds Proceeds will be placed into a trust account for use in the initial business combination · Flags cayman_holding_company · Underwriters Clear Street LLC

Dune Acquisition Corp III's S-1/A filing outlines the terms of its initial public offering (IPO), including underwriting details, tax implications for holders, and structural provisions. The offering involves 10,000,000 units at $10.00 per unit, with underwriting discounts and commissions totaling $3.95 million if the over-allotment option is exercised. Key provisions include lock-up agreements for insiders, tax treatment for Non-U.S. holders, and the structure of founder shares and private placement warrants. The filing also details the underwriting process, listing on Nasdaq, and risks related to the company's blank check structure.

2026-07-28 · 0001213900-26-081909

S-1 filed

Initial registration statement

Initial public filing submitted to start the SEC review process.

Follows DRS in the pre-IPO sequence.

Price $10.00 · 15,000,000 shares · Gross proceeds $150,000,000

Class A · Exchange Nasdaq · Over-allotment 2,250,000 · Each unit consists of one Class A ordinary share and one-third of one redeemable warrant · Each whole warrant entitles the holder to purchase one Class A ordinary share at $11.50 per share, exercisable 30 days after initial business combination or 12 months from closing, expiring 5 years after completion · Use of proceeds Proceeds will be placed in a trust account for initial business combination · Flags units, warrants · Underwriters Clear Street LLC

Dune Acquisition Corporation III is a blank check company incorporated in the Cayman Islands, aiming to execute a business combination with one or more businesses. The company is conducting an IPO of 15 million units at $10.00 per unit, raising $150 million. Each unit includes one Class A ordinary share and one-third of a redeemable warrant. The offering includes underwriter options, a trust account for proceeds, and potential conversion of Class B shares to Class A shares. The company has not yet selected a business combination target.

2026-02-24 · 0001213900-26-019459

DRS filed

Draft registration statement

Draft registration filed confidentially before the public launch.

First tracked pre-IPO filing for this issuer.

Dune Acquisition Corp III, a Cayman Islands exempted company, is conducting an initial public offering (IPO) of 15,000,000 units at $10.00 per unit. Each unit includes one Class A ordinary share and one-third of a redeemable warrant. The company is a blank check entity seeking a merger, acquisition, or business combination but has not yet identified a target. Proceeds will be held in a U.S. trust account, with sponsor Class B shares converting to Class A upon a business combination. The offering includes a private placement of warrants and underwriter over-allotment options. The company is an emerging growth company with reduced reporting requirements.

2025-11-06 · 0001213900-25-107182

Comparable Deals

1 comparable deal

Financials$100-300MLast 18 months

Only 0 strict matches; expanded to 1 using nearest neighbors.

+18.1%

Median day-1

100%

Above issue

+24.6%

Median week-1

+18.1%

Downside (p10)

EagleRock Land, LLC EROK

2026-05-14 $320M Day 1: +18.1% Wk 1: +24.6%

same SIC grouprecent IPO

Recent News

No recent news stored for this issuer.