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AI brief of an SEC Form 8-K · Rainier Acquisition Corp (RNAQ)

Rainier Acquisition Corp closes over-allotment, with $86.25 million placed in trust

Neutral Impact 3 of 5 financing Written later

Rainier Acquisition Corp, a blank check company, closed the over-allotment option on its initial public offering on September 2, 2026, selling 1,125,000 additional units at $10.00 each. Total gross proceeds from the IPO and over-allotment were $86,250,000, which the filing says were placed in a U.S. trust account for public shareholders. The company has until August 28, 2028 to complete a business combination, and the sponsor's private placement units cannot be transferred until 30 days after that combination.

Key points

  • Underwriters exercised the over-allotment option in full on September 1, 2026, buying 1,125,000 additional units at $10.00 each; the closing occurred September 2, 2026.
  • Total IPO and over-allotment gross proceeds were $86,250,000, placed in a trust account maintained by Continental Stock Transfer & Trust Company.
  • On September 2, 2026, sponsor Ravenna 7 LLC bought 5,625 private placement units at $10.00 each, with no underwriting discounts or commissions paid.
  • The audited balance sheet as of August 28, 2026 shows total assets of $76,100,902, including $75,000,000 held in the trust account.

The filing

CompanyRainier Acquisition Corp (RNAQ)
Form8-K, current report
Filed with the SECSep 3, 2026, 5:18 PM ET
Accession number0001104659-26-105110

Items reported: 3.02 Unregistered Equity Sale8.01 Other Events

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 11:48 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on September 03, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.