# EDGAR Filing Document

**Accession Number:** 0000887151
**File Stem:** 0001437749-26-015751
**Filing Date:** 2026-5
**Character Count:** 2219
**Document Hash:** 6a2842fa039f69e841457f74b5212caa
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001437749-26-015751.hdr.sgml**: 20260508

**ACCESSION NUMBER**: 0001437749-26-015751

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 5

**FILED AS OF DATE**: 20260508

**DATE AS OF CHANGE**: 20260508

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Capstone Holding Corp.
- **CENTRAL INDEX KEY:** 0000887151
- **STANDARD INDUSTRIAL CLASSIFICATION:** WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS [5030]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 860585310
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-33560
- **FILM NUMBER:** 26956099

**BUSINESS ADDRESS:**
- **STREET 1:** 18400 76TH AVENUE
- **CITY:** TINLEY PARK
- **STATE:** IL
- **ZIP:** 60477
- **BUSINESS PHONE:** 7083710660

**MAIL ADDRESS:**
- **STREET 1:** 18400 76TH AVENUE
- **CITY:** TINLEY PARK
- **STATE:** IL
- **ZIP:** 60477

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Capstone Therapeutics Corp.
- **DATE OF NAME CHANGE:** 20100521

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ORTHOLOGIC CORP
- **DATE OF NAME CHANGE:** 19940211

UNITED STATES<br> SECURITIES AND EXCHANGE COMMISSION<br> Washington, D.C. 20549

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SCHEDULE 14A

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Proxy Statement Pursuant to Section 14(a) of the<br> Securities Exchange Act of 1934

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material under § 240.14a-12

CAPSTONE HOLDING CORP.<br> (Name of Registrant as Specified In Its Charter)

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(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

☒ No fee required <br> ☐ Fee paid previously with preliminary materials: <br> ☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-(6)(i)(4) and 0-11.

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