IPO filing research

Rainier Acquisition Corp

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ipo filed Nasdaq S-1

Rainier Acquisition Corp IPO research page with SEC filing history, offering status, deal terms, structured filing extracts, company news, and comparable IPO context. Latest filing: S-1 on 2026-08-06. Current deal snapshot: exchange Nasdaq.

Filing Timeline

SEC EDGAR

S-1 filed

Initial registration statement

Initial public filing submitted to start the SEC review process.

Follows DRS in the pre-IPO sequence.

7,500,000 shares · Gross proceeds $2,625,000

Class A · Exchange NASDAQ · Over-allotment 1,125,000 · Units consisting of Class A ordinary shares and warrants · Warrants included in units · Flags units, warrants · Underwriters Chardan Capital Markets LLC

2026-08-06 · 0001104659-26-092088

DRS filed

Draft registration statement

Draft registration filed confidentially before the public launch.

First tracked pre-IPO filing for this issuer.

2026-07-24 · 0001104659-26-086702

Comparable Deals

1 comparable deal

FinancialsMicro (<$50M)Last 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.