X0202 SCHEDULE 13G 0002052205 XXXXXXXX LIVE Common Stock 04/08/2026 0001549084 EKSO BIONICS HOLDINGS, INC. 282644400 101 GLACIER POINT SUITE A SAN RAFAEL CA 94901 Rule 13d-1(c) Mink Brook Partners LP b DE 0.00 190596.00 0.00 190596.00 190596.00 5.4 OO This percentage is calculated based upon 3,563,381 shares outstanding as of 2/23/26 disclosed in the company's Form 10-K Mink Brook Capital GP LLC b DE 0.00 190596.00 0.00 190596.00 190596.00 5.4 OO This percentage is calculated based upon 3,563,381 shares outstanding as of 2/23/26 disclosed in the company's Form 10-K William Mueller b DE 0.00 190596.00 0.00 190596.00 190596.00 5.4 OO This percentage is calculated based upon 3,563,381 shares outstanding as of 2/23/26 disclosed in the company's Form 10-K Mink Brook Asset Management LLC b DE 0.00 190596.00 0.00 190596.00 190596.00 5.4 OO This percentage is calculated based upon 3,563,381 shares outstanding as of 2/23/26 disclosed in the company's Form 10-K EKSO BIONICS HOLDINGS, INC. 101 GLACIER POINT, SUITE A, SAN RAFAEL, CALIFORNIA, 94901. Mink Brook Partners LP Mink Brook Capital GP LLC William Mueller Mink Brook Asset Management LLC 201 Summa Street West Palm Beach, FL 33405 Mink Brook Partners LP - Delaware Mink Brook Capital GP LLC - Delaware William Mueller - Florida Mink Brook Asset Management LLC - Delaware Y Amount beneficially owned: As of the close of business on April 8th, 2026, Mink Brook Partners LP held an aggregate of 190,596 shares of the common stock of the Issuer. As the general partner to Mink Brook Partners LP, Mink Brook Capital GP LLC may be deemed to have shared power to vote or to direct the vote and to dispose or to direct the disposition of the shares held by Mink Brook Partners LP. As the managing member of Mink Brook Capital GP LLC and Mink Brook Asset Management LLC, William Mueller may be deemed to have shared power to vote or to direct the vote and to dispose or to direct the disposition of the shares held by Mink Brook Partners LP. Neither the filing of this Schedule 13G nor any of its contents shall be deemed to constitute an admission that Mr. Mueller or Mink Brook Capital GP LLC is the beneficial owner of the shares of the common stock of the Issuer referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of their respective pecuniary interests therein. Mink Brook Partners LP - 5.4% Mink Brook Capital GP LLC - 5.4% William Mueller - 5.4% Mink Brook Asset Management LLC - 5.4% Mink Brook Partners LP - 0 Mink Brook Capital GP LLC - 0 William Mueller - 0 Mink Brook Asset Management LLC - 0 Mink Brook Partners LP - 190,596 Mink Brook Capital GP LLC - 190,596 William Mueller - 190,596 Mink Brook Asset Management LLC - 190,596 Mink Brook Partners LP - 0 Mink Brook Capital GP LLC - 0 William Mueller - 0 Mink Brook Asset Management LLC - 0 Mink Brook Partners LP - 190,596 Mink Brook Capital GP LLC - 190,596 William Mueller - 190,596 Mink Brook Asset Management LLC - 190,596 Y N Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Mink Brook Partners LP /s/ William Mueller 04/09/2026 Mink Brook Capital GP LLC /s/ William Mueller 04/09/2026 William Mueller /s/ William Mueller 04/09/2026 Mink Brook Asset Management LLC /s/ William Mueller 04/09/2026