Form 4: Gilde Healthcare Boosts SI Stake Post-IPO Conversion

Gilde Healthcare Holding B.V. increased its beneficial ownership in Shoulder Innovations, Inc. through preferred stock conversion and a common stock purchase.

Summary

• Gilde Healthcare Holding B.V., a Director and 10% Owner of Shoulder Innovations, Inc. (SI), reported changes in its beneficial ownership.
• On August 1, 2025, 33,259,424 shares of Series D Convertible Preferred Stock and 10,252,188 shares of Series E Convertible Preferred Stock automatically converted into 1,743,156 and 537,326 shares of Common Stock, respectively.
• This conversion occurred immediately prior to the Issuer's initial public offering (IPO) at a ratio of one share of preferred stock for 0.052410901 shares of Common Stock.
• Additionally, Gilde Healthcare purchased 100,000 shares of Common Stock at a price of $15 per share on August 1, 2025.
• Following these transactions, Gilde Healthcare's total indirect beneficial ownership of Common Stock in Shoulder Innovations, Inc. is 2,380,482 shares.
• The shares are held indirectly by Cooperatieve Gilde Healthcare V U.A. (Gilde), with Gilde Healthcare V Management B.V. acting as its managing director.

Sentiment

Score: 7

Explanation: The filing indicates a significant insider purchase by a major shareholder and director, Gilde Healthcare, at $15 per share, alongside the expected conversion of preferred stock prior to an IPO. This signals strong confidence from a key investor in Shoulder Innovations, Inc.'s future prospects as it transitions to a public company.

Positives

• A significant insider purchase of 100,000 shares at $15 per share by Gilde Healthcare, a major shareholder and director, signals strong confidence in the company's valuation and future prospects.
• The conversion of preferred stock into common stock simplifies the capital structure, which is a standard and positive step for a company transitioning to public ownership via an IPO.

Future Outlook

The filing indicates that the preferred stock conversion occurred immediately prior to the Issuer's initial public offering (IPO), suggesting a recent or upcoming public listing for Shoulder Innovations, Inc.

Management Comments

• The filing includes signatures from Edwin de Graaf, Managing Director of Gilde Healthcare Holding B.V., Gilde Healthcare V Management B.V., and Cooperatieve Gilde Healthcare V U.A., confirming the reported transactions.

Industry Context

The conversion of preferred stock and subsequent common stock purchase by a significant investor like Gilde Healthcare, particularly in the context of an IPO, is a common event in the healthcare and medical device industry as companies transition from private to public ownership. This indicates a maturation phase for Shoulder Innovations, Inc. and a strategic move by Gilde Healthcare to maintain its stake in the public entity.

Comparison to Industry Standards

• The conversion ratio of preferred stock to common stock (1-for-0.052410901) is specific to the company's capital structure and pre-IPO valuation, making direct comparisons to other companies' conversion terms difficult without more context on their respective pre-IPO valuations and preferred stock agreements.
• Insider purchases at the IPO price or shortly after, such as the $15 per share purchase by Gilde Healthcare, are generally viewed positively by the market as they signal strong conviction from existing investors. This aligns with typical investor behavior seen in other medical device IPOs where early investors often solidify their positions.
• The structure of indirect ownership through various Gilde Healthcare entities is standard for private equity or venture capital firms managing multiple funds and investments.

Related Party Transactions

• The transactions involve Gilde Healthcare Holding B.V., which is a Director and 10% Owner of Shoulder Innovations, Inc., making the transactions related-party dealings.
• The indirect ownership structure involves Cooperatieve Gilde Healthcare V U.A., Gilde Healthcare V Management B.V., Manapouri B.V. (Edwin de Graaf), and Martemanshurk B.V. (Pieter van der Meer), all related entities to the reporting person.

Stakeholder Impact

• Shareholders: The conversion of preferred stock and the insider purchase by Gilde Healthcare could be viewed positively, signaling confidence from a major investor, potentially stabilizing or boosting investor sentiment around the IPO.
• Company (Shoulder Innovations, Inc.): The conversion simplifies the capital structure for public trading, and the purchase by Gilde Healthcare provides additional capital or reinforces existing capital, supporting the company's financial position post-IPO.

Next Steps

• Monitor the public trading of Shoulder Innovations, Inc. common stock following its initial public offering (IPO).
• Observe future Form 4 filings from Gilde Healthcare and other insiders for further changes in beneficial ownership.

Key Dates

Recommendation

The filing reveals a significant insider purchase by Gilde Healthcare, a director and 10% owner, at $15 per share, coinciding with the company's IPO. This strong vote of confidence from a sophisticated institutional investor, coupled with the capital structure simplification for public trading, suggests positive future prospects for Shoulder Innovations, Inc. The purchase price of $15 could indicate a floor or strong belief in the initial valuation.

Keywords

Shoulder Innovations, SI, Gilde Healthcare, Form 4, Beneficial Ownership, Insider Buying, Preferred Stock Conversion, IPO, Common Stock, Healthcare Investment