Kevin K. Sidow - 01 Aug 2025 Form 4 Insider Report for SHOULDER INNOVATIONS, INC. (SI)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
05 Aug 2025, 16:05:12 UTC
Prior SEC filing
30 Jul 2025
Next SEC filing
29 Jun 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
Jeffrey Points, as Attorney-in-Fact

Key filing fact

Kevin K. Sidow filed Form 4 for SHOULDER INNOVATIONS, INC. (SI) on 05 Aug 2025.

Key facts

  • This page summarizes Kevin K. Sidow's Form 4 filing for SHOULDER INNOVATIONS, INC. (SI).
  • 3 reported transactions and 1 derivative row are listed below.
  • Accepted by SEC: 05 Aug 2025, 16:05.

Change

  • Previous filing in this sequence was filed on 30 Jul 2025.
  • 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 0002072468 Primary reporting owner

Sidow Kevin K.

Relationship
Director
Address
C/O SHOULDER INNOVATIONS, INC., 1535 STEELE AVENUE SW, SUITE B, GRAND RAPIDS
Signature
Jeffrey Points, as Attorney-in-Fact
Signature date
05 Aug 2025

Reported non-derivative transactions

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

SI transaction

Common Stock

Conversion of derivative security

Transaction value
Shares
+12,344
Change %
Price
Shares after
12,344
Date
01 Aug 2025
Ownership
Direct
Footnotes
F1
SI transaction

Common Stock

Award

Transaction value
$0
Shares
+7,666
Change %
+62%
Price
$0.000000
Shares after
20,010
Date
01 Aug 2025
Ownership
Direct
Footnotes
F2

Reported derivative securities

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

SI transaction Derivative

Series D Convertible Preferred Stock

Conversion of derivative security

Transaction value
Shares
-235,524
Change %
-100%
Price
Shares after
0
Date
01 Aug 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
12,344
Exercise price
Footnotes
F1
* 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

Immediately prior to the closing of the Issuer's initial public offering, the shares of preferred stock of the Issuer automatically converted into shares of Common Stock on a one-for-0.052410901 basis.

Footnote F2

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 2026 or August 1, 2026. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock and has no expiration date.

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