v3.25.4
Document and Entity Information Document and Entity Information
Mar. 10, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Mar. 10, 2026
Entity File Number 001-42771
Entity Registrant Name SHOULDER INNOVATIONS, INC.
Entity Central Index Key 0001699350
Amendment Flag false
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 27-0538764
Entity Address, Address Line One 1535 Steele Avenue SW, Suite B
Entity Address, City or Town Grand Rapids
Entity Address, State or Province MI
Entity Address, Postal Zip Code 49507
City Area Code (616)
Local Phone Number 294-1026
Written Communications false
Soliciting Material false
Entity Emerging Growth Company true
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock,$0.001 par value per share
Trading Symbol SI
Security Exchange Name NYSE
Entity Ex Transition Period false