Rainier Acquisition Corp. RNAQ · SEC Filings

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Rainier Acquisition Corporation operates as a blank check company formed for the purpose of effectin...

Price9.98

Market Cap109.59 M

Float8.63 M

CountryUS

SectorFinancial Services

ExchangeNASDAQ

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Financials

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News

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Prospectus

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424B4

Form 424B4 - Prospectus [Rule 424(b)(4)]

Aug 27, 2026

Registrations

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8-A12B

Form 8-A12B - Registration of securities [Section 12(b)]

Aug 25, 2026

S-1/A

Form S-1/A - General form for registration of securities under the Securities Act of 1933: [Amend]

Aug 24, 2026

S-1

Form S-1 - General form for registration of securities under the Securities Act of 1933

Aug 6, 2026

DRS

Form DRS - Draft Registration Statement

Jul 24, 2026

Proxies

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Ownerships

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SCHEDULE 13G

Sio Capital Management, LLC (Filed by)

Nov 3, 2026

683 Capital Partners, LP (Reporting)

Sep 8, 2026

SCHEDULE 13G

683 Capital Management, LLC (Filed by)

Sep 3, 2026

SCHEDULE 13G

683 Capital Management, LLC (Filed by)

Sep 3, 2026

GROSSMAN JONAS (Reporting)

Sep 2, 2026

SCHEDULE 13G

MMCAP International Inc. SPC (Filed by)

Sep 1, 2026

Other

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EFFECT

Form EFFECT - Notice of Effectiveness

Aug 27, 2026