Gilde Healthcare Holding B.V. - 26 Aug 2026 Form 4 Insider Report for SHOULDER INNOVATIONS, INC. (SI)

Reporting relationship: 10%+ Owner
Issuer ticker: SI
Reported as of: 26 Aug 2026
Net transaction value: -$27,030
SEC form: 4
Accepted by SEC: 28 Aug 2026, 16:11:56 UTC
Prior SEC filing: 24 Aug 2026
Source filing: View source filing
Reporting owner signature: Gilde Healthcare Holding B.V., By: /s/ Edwin de Graaf, Managing Director

Key filing fact

Gilde Healthcare Holding B.V. filed Form 4 for SHOULDER INNOVATIONS, INC. (SI) on 28 Aug 2026.

Key facts

This page summarizes Gilde Healthcare Holding B.V.'s Form 4 filing for SHOULDER INNOVATIONS, INC. (SI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 28 Aug 2026, 16:11.

Change

Previous filing in this sequence was filed on 24 Aug 2026.
Current net transaction value: -$27,030.

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 0001420106 Primary reporting owner

Gilde Healthcare Holding B.V.

Relationship: 10%+ Owner
Address: STADSPLATEAU 36, UTRECHT, NETHERLANDS
Signature: Gilde Healthcare Holding B.V., By: /s/ Edwin de Graaf, Managing Director
Signature date: 28 Aug 2026

Reported non-derivative transactions

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

SI transaction

Common Stock

Sale

Transaction value: $27,030
Shares: -1,196
Change %: -0.05%
Price: $22.60
Shares after: 2,185,914
Date: 26 Aug 2026
Ownership: See footnote
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 1 footnote

Footnote F1

Held directly by Cooperatieve Gilde Healthcare V U.A. ("Gilde"). Gilde Healthcare V Management B.V. is the managing director of Gilde and has sole voting and dispositive power with respect to the shares held by Gilde. Gilde Healthcare V Management B.V. is owned by Gilde Healthcare Holding B.V. The managing partners of Gilde Healthcare Holding B.V. are Manapouri B.V. (of which Edwin de Graaf is the owner and managing director) and Martemanshurk B.V. (of which Pieter van der Meer is the owner and managing director). Geoff Pardo is a partner at Gilde and may be deemed to share voting and dispositive power with respect to the shares held of record by Gilde. Mr. Pardo disclaims beneficial ownership of such holdings, except to the extent of his pecuniary interest in the shares.