XML 53 R1.htm IDEA: XBRL DOCUMENT v3.24.0.1
COVER PAGE - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Feb. 23, 2024
Jun. 30, 2023
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-40675    
Entity Registrant Name Immuneering Corporation    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 26-1976972    
Entity Address, Address Line One 245 Main St    
Entity Address, Address Line Two Second Floor    
Entity Address, City or Town Cambridge    
Entity Address, State or Province MA    
Entity Address, Postal Zip Code 02142    
City Area Code 617    
Local Phone Number 500-8080    
Title of 12(b) Security Class A common Stock, par value $0.001 per share    
Trading Symbol IMRX    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 239.0
Documents Incorporated by Reference
Portions of the registrant’s Definitive Proxy Statement relating to the registrant’s 2024 Annual Meeting of Stockholders to be filed with the Securities and Exchange Commission within 120 days of the end of the registrant’s fiscal year ended December 31, 2023 are incorporated by reference into Part III of this Annual Report on Form 10-K to the extent stated herein.
    
Entity Central Index Key 0001790340    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Amendment Flag false    
Class A Common Stock      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   29,283,272  
Class B Common Stock      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   0