Robert Joseph Ball - 30 Apr 2026 Form 4 Insider Report for SHOULDER INNOVATIONS, INC. (SI)

Reporting relationship: CEO & Executive Chairman, Director
Issuer ticker: SI
Reported as of: 30 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 30 Apr 2026, 16:33:54 UTC
Prior SEC filing: 17 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Jeffrey Points, as Attorney-in-Fact

Key filing fact

Robert Joseph Ball filed Form 4 for SHOULDER INNOVATIONS, INC. (SI) on 30 Apr 2026.

Key facts

This page summarizes Robert Joseph Ball's Form 4 filing for SHOULDER INNOVATIONS, INC. (SI).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 30 Apr 2026, 16:33.

Change

Previous filing in this sequence was filed on 17 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002070664 Primary reporting owner

Ball Robert Joseph

Relationship: CEO & Executive Chairman, Director
Address: C/O SHOULDER INNOVATIONS, INC., 1535 STEELE AVENUE SW, SUITE B, GRAND RAPIDS
Signature: /s/ Jeffrey Points, as Attorney-in-Fact
Signature date: 30 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SI transaction

Common Stock

Options Exercise

Transaction value
Shares: +10,000
Change %: +3.4%
Price: $2.48^*
Shares after: 300,018
Date: 30 Apr 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SI transaction Derivative

Stock Option

Options Exercise

Transaction value
Shares: -10,000
Change %: -3.1%
Price: $0.000000^*
Shares after: 309,756
Date: 30 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 10,000
Exercise price: $2.48
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Includes the following shares received without consideration as in-kind distributions: (i) 4,400 shares from Cultivate MD Capital Fund I, LLC; and (ii) 6,752 shares from Genesis Investment Holdings. In prior reports, the reporting person reported beneficial ownership of 278,866 shares of Shoulder Innovations common stock held directly.

Footnote F2

The stock option vested as to one-fourth of the underlying shares on May 17, 2024, and the remaining shares vest in 36 equal increments on the last day of each calendar month thereafter.