v3.26.1
Cover
3 Months Ended
Mar. 31, 2026
Document Information [Line Items]  
Document Type POS AM
Amendment Flag true
Entity Registrant Name Adaptin Bio, Inc.
Entity Central Index Key 0001938571
Entity Incorporation, State or Country Code DE
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Description Adaptin Bio, Inc. (the “Company,” “we,” “us,” or “our”) previously filed a registration statement with the Securities and Exchange Commission (the “SEC”) on Form S-1 (Registration No. 333-287338), as amended, which was declared effective by the SEC on August 4, 2025 (the “Registration Statement”).The Company is filing this Amendment to update the contents of the prospectus contained in the Registration Statement pursuant to Section 10(a)(3) of the Securities Act in respect of the continuous offering pursuant to Rule 415 of the shares of common stock described above.