Jonathan E. Osborne - 06 Aug 2026 Form 3 Insider Report for SHOULDER INNOVATIONS, INC. (SI)

Reporting relationship: Chief Commercial Officer
Issuer ticker: SI
Reported as of: 06 Aug 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 10 Aug 2026, 16:34:19 UTC
Source filing: View source filing
Reporting owner signature: /s/ Jeffrey Points, as Attorney-in-Fact

Key filing fact

Jonathan E. Osborne filed Form 3 for SHOULDER INNOVATIONS, INC. (SI) on 10 Aug 2026.

Key facts

This page summarizes Jonathan E. Osborne's Form 3 filing for SHOULDER INNOVATIONS, INC. (SI).
0 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 10 Aug 2026, 16:34.

Change

No earlier filing in this sequence is available for direct comparison.
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

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0002147045 Primary reporting owner

Osborne Jonathan E.

Relationship: Chief Commercial Officer
Address: C/O SHOULDER INNOVATIONS, INC., 1535 STEELE AVENUE SW, SUITE B, GRAND RAPIDS
Signature: /s/ Jeffrey Points, as Attorney-in-Fact
Signature date: 10 Aug 2026

Reported non-derivative transactions

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

SI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 60,355
Date: 06 Aug 2026
Ownership: Direct

Reported derivative securities

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

SI holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 06 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 24,870
Exercise price: $2.48
Footnotes: F1

SI holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 06 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 19,423
Exercise price: $2.86
Footnotes: F2

SI holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 06 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 126,357
Exercise price: $14.16
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The stock option vested as to one-fourth of the underlying shares on September 7, 2024, and the remaining shares vest in 12 equal increments on the last day of each fiscal quarter beginning on September 30, 2024.

Footnote F2

The stock option vested as to one-fourth of the underlying shares on April 1, 2026, and the remaining shares vest in 12 equal increments on the last day of each fiscal quarter beginning on June 30, 2026.

Footnote F3

The stock option vests as to one-fourth of the underlying shares on March 1st each year, beginning on March 1, 2027.

SEC remarks

Exhibit 24, Power of Attorney is attached.