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Document and Entity Information
Dec. 18, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Dec. 18, 2025
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 1 200 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
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