Form SCHEDULE 13G EKSO BIONICS HOLDINGS, Filed by: Mink Brook Asset Management LLC
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13G
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UNDER THE SECURITIES EXCHANGE ACT OF 1934
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EKSO BIONICS HOLDINGS, INC. (Name of Issuer) |
Common Stock (Title of Class of Securities) |
(CUSIP Number) |
04/08/2026 (Date of Event Which Requires Filing of this Statement) |
| Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |
| Rule 13d-1(b) |
| Rule 13d-1(c) |
| Rule 13d-1(d) |
SCHEDULE 13G
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| CUSIP No. |
| 1 | Names of Reporting Persons
Mink Brook Partners LP | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
190,596.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
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| 11 | Percent of class represented by amount in row (9)
5.4 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: This percentage is calculated based upon 3,563,381 shares outstanding as of 2/23/26 disclosed in the company's Form 10-K
SCHEDULE 13G
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| CUSIP No. |
| 1 | Names of Reporting Persons
Mink Brook Capital GP LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
190,596.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
5.4 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: This percentage is calculated based upon 3,563,381 shares outstanding as of 2/23/26 disclosed in the company's Form 10-K
SCHEDULE 13G
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| CUSIP No. |
| 1 | Names of Reporting Persons
William Mueller | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
190,596.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
5.4 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: This percentage is calculated based upon 3,563,381 shares outstanding as of 2/23/26 disclosed in the company's Form 10-K
SCHEDULE 13G
|
| CUSIP No. |
| 1 | Names of Reporting Persons
Mink Brook Asset Management LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
190,596.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
5.4 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: This percentage is calculated based upon 3,563,381 shares outstanding as of 2/23/26 disclosed in the company's Form 10-K
SCHEDULE 13G
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| Item 1. | ||
| (a) | Name of issuer:
EKSO BIONICS HOLDINGS, INC. | |
| (b) | Address of issuer's principal executive offices:
101 GLACIER POINT, SUITE A, SAN RAFAEL, CALIFORNIA, 94901. | |
| Item 2. | ||
| (a) | Name of person filing:
Mink Brook Partners LP
Mink Brook Capital GP LLC
William Mueller
Mink Brook Asset Management LLC | |
| (b) | Address or principal business office or, if none, residence:
201 Summa Street
West Palm Beach, FL 33405 | |
| (c) | Citizenship:
Mink Brook Partners LP - Delaware
Mink Brook Capital GP LLC - Delaware
William Mueller - Florida
Mink Brook Asset Management LLC - Delaware | |
| (d) | Title of class of securities:
Common Stock | |
| (e) | CUSIP No.:
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| Item 3. | If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: | |
| (a) | Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o); | |
| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c); | |
| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c); | |
| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8); | |
| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E); | |
| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F); | |
| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G); | |
| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); | |
| (i) | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); | |
| (j) | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution: | |
| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K). | |
| Item 4. | Ownership | |
| (a) | Amount beneficially owned:
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. | |
| (b) | Percent of class:
Mink Brook Partners LP - 5.4%
Mink Brook Capital GP LLC - 5.4%
William Mueller - 5.4%
Mink Brook Asset Management LLC - 5.4% %
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| (c) | Number of shares as to which the person has:
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| (i) Sole power to vote or to direct the vote:
Mink Brook Partners LP - 0
Mink Brook Capital GP LLC - 0
William Mueller - 0
Mink Brook Asset Management LLC - 0 | ||
| (ii) Shared power to vote or to direct the vote:
Mink Brook Partners LP - 190,596
Mink Brook Capital GP LLC - 190,596
William Mueller - 190,596
Mink Brook Asset Management LLC - 190,596 | ||
| (iii) Sole power to dispose or to direct the disposition of:
Mink Brook Partners LP - 0
Mink Brook Capital GP LLC - 0
William Mueller - 0
Mink Brook Asset Management LLC - 0 | ||
| (iv) Shared power to dispose or to direct the disposition of:
Mink Brook Partners LP - 190,596
Mink Brook Capital GP LLC - 190,596
William Mueller - 190,596
Mink Brook Asset Management LLC - 190,596 | ||
| Item 5. | Ownership of 5 Percent or Less of a Class. | |
| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. | |
Not Applicable
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| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. | |
Not Applicable
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| Item 8. | Identification and Classification of Members of the Group. | |
Not Applicable
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| Item 9. | Notice of Dissolution of Group. | |
Not Applicable
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| Item 10. | Certifications: |
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.
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| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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