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COVER - USD ($)
 12 Months Ended
Dec. 31, 2024
Apr. 01, 2025
Jun. 30, 2024
Cover [Abstract]      
Document Type 10-K/A    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-39593    
Entity Registrant Name Shattuck Labs, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 81-2575858    
Entity Address, Address Line One 500 W. 5th Street    
Entity Address, Address Line Two Suite 1200    
Entity Address, City or Town Austin    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 78701    
City Area Code 512    
Local Phone Number 900-4690    
Title of 12(b) Security Common Stock, par value $0.0001 per share    
Trading Symbol STTK    
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 false    
Entity Shell Company false    
Entity Public Float     $ 102,096,000
Entity Common Stock, Shares Outstanding   47,899,240  
Documents Incorporated by Reference
Documents Incorporated by Reference
None.
    
Entity Central Index Key 0001680367    
Amendment Flag true    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Description Shattuck Labs, Inc. (the “Company”) is filing this Amendment No. 1 on Form 10-K/A (this “Amendment”) to amend its 2024 Annual Report on Form 10-K filed with the Securities and Exchange Commission (the “SEC”) on March 27, 2025 (the “Original Report”). This Amendment is being filed for the purpose of including the information required by Items 10 through 14 of Part III of Form 10-K not included in the Original Report.The information required by Items 10 through 14 of Part III of Form 10-K was previously omitted from the Original Report in reliance on the SEC’s general instructions to the Form 10-K, which permit the information in the above referenced items to be incorporated in a Form 10-K by reference from a definitive proxy statement if such statement is filed no later than 120 days after a company’s fiscal year-end. We are filing this Amendment to include Part III information in the Original Report because our definitive proxy statement containing this information will not be filed before that date.Pursuant to Rule 12b-15 under the Securities Exchange Act of 1934, as amended, (the “Exchange Act”), this Amendment also contains new certifications pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, which are filed herewith. Because no financial statements have been included in this Amendment, and this Amendment does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation S-K, paragraphs 3, 4, and 5 of the certifications have been omitted. Similarly, because no financial statements have been included in this Amendment, certifications pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 have been omitted.Except as described above, no other changes have been made to the Original Report and this Amendment does not modify, amend or update in any way any of the financial or other information contained in the Original Report. This Amendment does not reflect events that may have occurred subsequent to the date of filing of the Original Report. Accordingly, this Amendment should be read in conjunction with the Original Report.