Casey M. Tansey - 26 Jun 2026 Form 4 Insider Report for SHOULDER INNOVATIONS, INC. (SI)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: SI
Reported as of: 26 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 29 Jun 2026, 17:56:59 UTC
Prior SEC filing: 18 Jun 2026
Next SEC filing: 17 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Jeffrey Points, as Attorney-in-Fact

Key filing fact

Casey M. Tansey filed Form 4 for SHOULDER INNOVATIONS, INC. (SI) on 29 Jun 2026.

Key facts

This page summarizes Casey M. Tansey's Form 4 filing for SHOULDER INNOVATIONS, INC. (SI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 29 Jun 2026, 17:56.

Change

Previous filing in this sequence was filed on 18 Jun 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 0001474322 Primary reporting owner

Tansey Casey M

Relationship: Director, 10%+ Owner
Address: C/O SHOULDER INNOVATIONS, INC., 1535 STEELE AVENUE SW, SUITE B, GRAND RAPIDS
Signature: /s/ Jeffrey Points, as Attorney-in-Fact
Signature date: 29 Jun 2026

Reported non-derivative transactions

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

SI transaction

Common Stock

Award

Transaction value
Shares: +5,046
Change %: +11%
Price: $0.000000^*
Shares after: 52,712
Date: 26 Jun 2026
Ownership: Direct
Footnotes: F1

SI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,686,403
Date: 26 Jun 2026
Ownership: Held by U.S. Venture Partners XII, L.P.
Footnotes: F2, F3

SI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 85,586
Date: 26 Jun 2026
Ownership: Held by U.S. Venture Partners XII-A, L.P.
Footnotes: F2, F3

SI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 921,130
Date: 26 Jun 2026
Ownership: Held by U.S. Venture Partners Select Fund I, L.P.
Footnotes: F2, 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

Represents an award of restricted stock units ("RSUs"). The RSUs will vest on the earlier of the date of the annual meeting of stockholders to be held in 2027 or June 26, 2027. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock and has no expiration date. The Reporting Person voluntarily elected to defer receipt of the Common Stock issuable upon settlement of the RSUs until the Reporting Person's departure from the Board of Directors.

Footnote F2

Presidio Management Group XII, L.L.C. ("PMG XII") is the general partner of U.S. Venture Partners XII, L.P. ("USVP XII") and U.S. Venture Partners XII-A, L.P. ("USVP XII-A") and has sole voting and dispositive power with respect to the shares held by USVP XII and USVP XII-A. Steven M. Krausz, Richard W. Lewis, Jonathan D. Root and Dafina Toncheva are the managing members of PMG XII, and share voting and dispositive power with respect to the shares held by USVP XII and USVP XII-A. Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C. ("PMG Select") is the general partner of U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), and U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A") and has sole voting and dispositive power with respect to the shares held by USVP SFI on its own behalf and as nominee for USVP SFI-A.

Footnote F3

Richard W. Lewis, Jonathan D. Root and Dafina Toncheva are the managing members of PMG Select and share voting and dispositive power with respect to the shares held by USVP SFI on its own behalf and as nominee for USVP SFI-A. Casey M. Tansey, a member of the Issuer's board of directors, is the managing partner of PMG Select and may be deemed to share voting and dispositive power with respect to the shares held by USVP SFI on its own behalf and as nominee for USVP SFI-A. Each of the managing members and managing partner of PMG XII and PMG Select disclaims beneficial ownership of such holdings, except to the extent of their pecuniary interest in the shares.