# EDGAR Filing Document

**Accession Number:** 0001699350
**File Stem:** 0001699350-26-000025
**Filing Date:** 2026-4
**Character Count:** 2231
**Document Hash:** fa47088ad025f3c42a24cd749ce2dd7e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001699350-26-000025.hdr.sgml**: 20260429

**ACCESSION NUMBER**: 0001699350-26-000025

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260429

**DATE AS OF CHANGE**: 20260429

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SHOULDER INNOVATIONS, INC.
- **CENTRAL INDEX KEY:** 0001699350
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 270538764
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42771
- **FILM NUMBER:** 26910727

**BUSINESS ADDRESS:**
- **STREET 1:** 1535 STEELE AVENUE SW, SUITE B
- **CITY:** GRAND RAPIDS
- **STATE:** MI
- **ZIP:** 49507
- **BUSINESS PHONE:** 616-566-0286

**MAIL ADDRESS:**
- **STREET 1:** 1535 STEELE AVENUE SW, SUITE B
- **CITY:** GRAND RAPIDS
- **STATE:** MI
- **ZIP:** 49507

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

**SCHEDULE 14A** 

**Proxy Statement Pursuant to Section 14(a) of<br>the Securities Exchange Act of 1934 (Amendment No.)** 

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐&nbsp;&nbsp;&nbsp;&nbsp;Preliminary Proxy Statement

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

☐&nbsp;&nbsp;&nbsp;&nbsp;Definitive Proxy Statement

☒&nbsp;&nbsp;&nbsp;&nbsp;Definitive Additional Materials

☐&nbsp;&nbsp;&nbsp;&nbsp;Soliciting Material under §240.14a-12

**Shoulder Innovations, Inc.**

(Name of Registrant as Specified in Its Charter)

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

Payment of Filing Fee (Check all boxes that apply):

☒&nbsp;&nbsp;&nbsp;&nbsp;No fee required.

☐&nbsp;&nbsp;&nbsp;&nbsp;Fee paid previously with preliminary materials.

☐&nbsp;&nbsp;&nbsp;&nbsp;Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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