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Cover
Jan. 09, 2026
Document Type 8-K/A
Amendment Flag true
Amendment Description This Amendment No. 1 to the Current Report on Form 8-K filed by Ribbon Acquisition Corp. (the “Company”) on January 9, 2026 is being filed to supplement the disclosure under Item 5.07 of the original Form 8-K by including the final redemption information in connection with the Company’s special meeting of stockholders held on January 9, 2026.   Except as expressly set forth herein, this Form 8-K/A does not amend, modify, or update any other information contained in the original Form 8-K.
Document Period End Date Jan. 09, 2026
Entity File Number 001-42474
Entity Registrant Name Ribbon Acquisition Corp.
Entity Central Index Key 0002035016
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One Central Park Tower LaTour Shinjuku, Room 3001
Entity Address, Address Line Two 6-15-1 Nishi Shinjuku
Entity Address, City or Town Shinjuku-ku, Tokyo
Entity Address, Country JP
Entity Address, Postal Zip Code 160-0023
City Area Code +81
Local Phone Number 90-8508-3462
Written Communications false
Soliciting Material true
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Class A Ordinary Shares  
Title of 12(b) Security Class A Ordinary Shares
Trading Symbol RIBB
Security Exchange Name NASDAQ
Units  
Title of 12(b) Security Units
Trading Symbol RIBBU
Security Exchange Name NASDAQ
Rights [Member]  
Title of 12(b) Security Rights
Trading Symbol RIBBR
Security Exchange Name NASDAQ