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Form SCHEDULE 13G Capstone Holding Corp. Filed by: 3i, LP

April 23, 2026 7:21 PM





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)




schemaVersion:


SCHEDULE 13G




Comment for Type of Reporting Person: As more fully described in Item 4 of this statement on Schedule 13G (this ''Schedule 13G''), such shares and percentage are based on 11,453,707 shares of common stock, par value $0.0005 per share, of the issuer (the ''Common Stock'') outstanding as of April 15, 2026, as disclosed in the issuer's Amendment No. 1 to the Annual Report on Form 10-K for the fiscal year ended December 31, 2025, filed by the issuer with the U.S. Securities and Exchange Commission (the ''SEC'') on April 17, 2026 (the ''Form 10-K/A''). Beneficial ownership consists of 1,271,220 shares of Common Stock issuable in any combination upon any (i) exercises of certain common stock purchase warrants of the issuer (the ''Warrants'') held directly by the reporting person, which exercises are subject to a 4.99% beneficial ownership limitation provision (the ''4.99 Blocker''), and (ii) conversions of senior secured convertible notes of the issuer in the principal aggregate amount of approximately $1.9 million (the ''Notes'') held directly by the reporting person, which conversions are subject to a 9.99% beneficial ownership limitation provision (the ''9.99 Blocker'').


SCHEDULE 13G




Comment for Type of Reporting Person: As more fully described in Item 4 of this Schedule 13G, such percentage is based on 11,453,707 shares of Common Stock outstanding as of April 15, 2026, as disclosed in the Form 10-K/A. Beneficial ownership consists of 47,800 shares of Common Stock directly held by the reporting person.


SCHEDULE 13G




Comment for Type of Reporting Person: As more fully described in Item 4 of this Schedule 13G, such shares and percentage are based on 11,453,707 shares of Common Stock outstanding as of April 15, 2026, as disclosed in the Form 10-K/A. Beneficial ownership consists of 47,800 shares of Common Stock indirectly held by the reporting person and 1,218,115 shares of Common Stock issuable in any combination upon any (i) exercises of Warrants held indirectly by the reporting person, which exercises are subject to a 4.99% Blocker, and (ii) conversions of the Notes held indirectly by the reporting person, which conversions are subject to a 9.99% Blocker.


SCHEDULE 13G




Comment for Type of Reporting Person: As more fully described in Item 4 of this Schedule 13G, such shares and percentage are based on 11,453,707 shares of Common Stock outstanding as of April 15, 2026, as disclosed in the Form 10-K/A. Beneficial ownership consists of 47,800 shares of Common Stock indirectly held by the reporting person and 1,218,115 shares of Common Stock issuable in any combination upon (i) any exercises of Warrants held indirectly by the reporting person, which exercises are subject to a 4.99% Blocker, and (ii) conversions of the Notes held indirectly by the reporting person, which conversions are subject to a 9.99% Blocker.


SCHEDULE 13G



3i, LP
Signature:/s/ Maier Joshua Tarlow
Name/Title:Maier Joshua Tarlow, Manager of 3i Management LLC, General Partner of 3i, LP
Date:04/23/2026
Tumim Stone Capital LLC
Signature:/s/ Maier Joshua Tarlow
Name/Title:Maier Joshua Tarlow, Manager of 3i Management LLC, Manager of Tumim Stone Capital LLC
Date:04/23/2026
3i Management LLC
Signature:/s/ Maier Joshua Tarlow
Name/Title:Maier Joshua Tarlow, Manager
Date:04/23/2026
Maier Joshua Tarlow
Signature:/s/ Maier Joshua Tarlow
Name/Title:Maier Joshua Tarlow
Date:04/23/2026

Comments accompanying signature: Exhibit 1
Exhibit Information

Joint Filing Agreement

ATTACHMENTS / EXHIBITS

EXHIBIT 1

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SEC Filings