Shoulder Innovations (SI) forms strategic robotic platform partnership for shoulder arthroplasty

Rhea-AI Filing Summary

Shoulder Innovations, Inc. reported that it has entered into a strategic partnership with Interventional Systems to bring a robotic platform to shoulder arthroplasty procedures. The collaboration aims to pair Shoulder Innovations’ implant and surgical know-how with Interventional Systems’ robotics technology to support more precise shoulder replacement surgery. The news was shared through a press release furnished under a current report, meaning it provides an operational and strategic update rather than new financial results.

8-K Event Classification

2 items: 7.01, 9.01

2 items

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

___________________________________________

FORM 8-K

___________________________________________

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): December 3, 2025

___________________________________________

SHOULDER INNOVATIONS, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-42771

27-0538764

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

1535 Steele Avenue SW, Suite B Grand Rapids, Michigan

49507

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: (616) 294-1026

Not Applicable

(Former name or former address, if changed since last report)

___________________________________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading symbol

Name of each exchange on which registered

Common Stock,$0.001 par value per share

SI

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01.    Regulation FD Disclosure.

On December 3, 2025, Shoulder Innovations, Inc. (the “Company”) issued a press release announcing its strategic partnership with Interventional Systems to introduce a robotic platform for shoulder arthroplasty. A copy of the press release is being furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information contained in this Current Report on Form 8-K (including Exhibit 99.1) shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 9.01    Financial Statements and Exhibits.

			(d)			Exhibits:
						99.1			Press Release of the Company, dated December 3, 2025.
						104			Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: December 3, 2025			SHOULDER INNOVATIONS, INC. (Registrant)
			/s/ Jeffrey Points
			Jeffrey Points
			Chief Financial Officer

3

FAQ

What did Shoulder Innovations, Inc. (SI) announce in this 8-K filing?

Shoulder Innovations, Inc. announced a strategic partnership with Interventional Systems to introduce a robotic platform designed for shoulder arthroplasty procedures, as described in a furnished press release.

Who is Shoulder Innovations, Inc. partnering with according to the December 3, 2025 update?

The company is partnering with Interventional Systems to develop and introduce a robotic platform that can be used in shoulder arthroplasty (shoulder replacement surgery).

Does the Shoulder Innovations (SI) disclosure include any new financial results?

No financial results are described. The disclosure focuses on a strategic partnership and technology initiative, with the related details contained in a press release furnished as Exhibit 99.1.

How was the robotic shoulder arthroplasty partnership information provided by Shoulder Innovations (SI)?

The information was provided through a press release dated December 3, 2025, which is furnished as Exhibit 99.1 to the current report and incorporated by reference.

Is the Shoulder Innovations (SI) press release considered filed for liability purposes?

The company states that the information in this report, including Exhibit 99.1, is furnished and not filed for purposes of Section 18 of the Exchange Act, limiting how it is treated for certain liability provisions.

What type of information is being disclosed under Item 7.01 for Shoulder Innovations (SI)?

The company is providing a Regulation FD disclosure under Item 7.01, sharing widely the news of its partnership with Interventional Systems and the planned robotic platform for shoulder arthroplasty.