Rainier Acquisition Corp Completes Private Placement of Sponsor Units

What Happened

• Rainier Acquisition Corporation filed an 8‑K reporting that on September 2, 2026 it consummated a private placement of 5,625 private placement units to its sponsor, Ravenna 7 LLC, at $10.00 per unit. Each unit contains one Class A ordinary share and one-quarter of one warrant (each whole warrant exercisable to buy one Class A share at $11.50), under a Private Placement Unit Purchase Agreement dated August 26, 2026. The issuance occurred simultaneously with the closing of the over‑allotment option.

Key Details

• Units sold: 5,625 Private Placement Units at $10.00 per unit (total proceeds $56,250).
• Warrants: Private Placement Warrants are non‑redeemable and may be exercised on a cashless basis, but only if held by the Sponsor (subject to limited exceptions); exercise price $11.50 per share (subject to adjustment).
• Transfer and resale restrictions: the Private Placement Units and the underlying Class A shares are not transferable or salable until 30 days after the completion of the Company’s initial business combination, unless approved by public shareholders.
• Transaction mechanics: issued pursuant to Section 4(a)(2) exemption from registration; no underwriting discounts or commissions paid. The company also filed an audited balance sheet as of August 28, 2026 (Exhibit 99.1).

Why It Matters

• This filing documents a routine sponsor financing tied to the SPAC process: the sponsor purchased a small number of founder units under customary resale and exercise restrictions. For public investors, the key facts are the size of the sponsor’s purchase, the special terms of the sponsor warrants (non‑redeemable and cashless exercise rights limited to the sponsor), and the transfer restrictions that limit immediate liquidity of those shares. The disclosure also confirms the legal exemption used and that no underwriting fees were paid.