v3.26.1
Document and Entity Information
Aug. 13, 2026
Cover [Abstract]  
Amendment Flag true
Entity Central Index Key 0001426800
Document Type 8-K/A
Document Period End Date Aug. 13, 2026
Entity Registrant Name Assembly Biosciences, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-35005
Entity Tax Identification Number 20-8729264
Entity Address, Address Line One Two Tower Place
Entity Address, Address Line Two 7th Floor
Entity Address, City or Town South San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94080
City Area Code (833)
Local Phone Number 509-4583
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.001
Trading Symbol ASMB
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Amendment Description This Current Report on Form 8-K/A amends the submission header used to file the Current Report on Form 8-K filed on August 13, 2026 (the “Form 8-K”) by Assembly Biosciences, Inc., which inadvertently tagged Item 2.02 as Item 2.01. No changes have been made to the content of the Form 8-K.