As filed with the Securities and Exchange Commission on August 28, 2024. Registration No. 333-281081 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S‑1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 EKSO BIONICS HOLDINGS, INC. (Exact name of Registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) Mark B. Baudler Austin D. March Wilson Sonsini Goodr ...