v3.26.1
Document and Entity Information
Aug. 14, 2026
Document And Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Aug. 14, 2026
Entity Registrant Name WEREWOLF THERAPEUTICS, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-40366
Entity Tax Identification Number 82-3523180
Entity Address Address Line 1 303 Wyman Street
Entity Address Address Line 2 Suite 300
Entity Address City Or Town Waltham
Entity Address State Or Province MA
Entity Address Postal Zip Code 02451
City Area Code 617
Local Phone Number 952-0555
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $0.0001 par value per share
Trading Symbol HOWL
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period true
Entity Central Index Key 0001785530
Amendment Flag false
Former Address [Member]  
Document And Entity Information [Line Items]  
Entity Address Address Line 1 200 Talcott Ave
Entity Address Address Line 2 2nd Floor
Entity Address City Or Town Watertown
Entity Address State Or Province MA
Entity Address Postal Zip Code 02472