Convertible Preferred Stock	3 Months Ended
Convertible Preferred Stock	Mar. 31, 2026
Temporary Equity Disclosure [Abstract]
Convertible Preferred Stock	Convertible Preferred Stock On March 6, 2025, the Company entered into a Series E Preferred Stock Purchase Agreement pursuant to a Series E Preferred Stock financing, whereby it received a total commitment amount of $40,130 for the issuance and sale of 58,774,332 shares of Series E Preferred Stock pursuant to two separate closing tranches, the first of which closed on March 6, 2025, whereby the Company issued 29,455,169 shares of Series E preferred stock resulting in total gross proceeds to the Company of $20,111. In June 2025 the Company called the second tranche of its Series E Preferred Stock for the issuance of 29,319,143 shares of Series E Preferred Stock resulting in gross proceeds to the Company of $20,019. The Company recognized the change in value of the Series E purchase option in the other (income) expense, net caption in its condensed statements of operations and comprehensive loss. On March 4, 2025, Genesis Investment Holdings, LLC exercised 988,999 series Seed warrants resulting in proceeds of $83. For the three months ended March 31, 2025, 125,000 Series B warrants were exercised, resulting in proceeds of $47. Immediately prior to the closing of the Company’s IPO on August 1, 2025, all shares of the Company’s redeemable convertible preferred stock converted into shares of the Company’s common stock.

SHOULDER INNOVATIONS, INC. 10-Q