Shoulder Innovations (SI)CEO bought ~$58K

~$58K

Approx. value · 3,900 sh @ $14.89

118K

Holds after · shares reported

Traded

Dec 12, 2025

Filed

Dec 16, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Nov 11, 2025Company filing · Form 8-K · ResultsReported its results
2. Nov 18, 2025Federal contract · $21K obligatedDepartment of Veterans Affairs awarded SHOULDER INNOVATIONS, INC.: $21K obligated to date
3. Nov 18, 2025Federal contract · $21K obligatedDepartment of Veterans Affairs awarded SHOULDER INNOVATIONS, INC.: $21K obligated to date
4. Dec 11, 2025Insider · 2 peopleInsiders: 2 purchases (~$64K)
5. Dec 12, 2025 · this disclosureInsiderCEO purchased ~$58K of SI shares in the open market

What came next

1. Dec 12, 2025InsiderCFO purchased ~$15K of SI shares in the open market
2. Jan 23, 2026Federal contract · $21K obligatedDepartment of Veterans Affairs awarded SHOULDER INNOVATIONS, INC.: $21K obligated to date
3. Feb 3, 2026Federal contract · $21K obligatedDepartment of Veterans Affairs awarded SHOULDER INNOVATIONS, INC.: $21K obligated to date
4. Feb 26, 2026Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“Director Resignation O n February 26, 2026, G eoff Pardo notified the Board of Directors (“Board”) of Shoulder Innovations, Inc. (the “Company”) that he will resign as a Class I director of the Board, as a member of the Compensation Committee of the Board and as Chair of the Nominating and Corporate Governance Committee of the Board effective immediately.”
5. Mar 2, 2026Federal contract · $21K obligatedDepartment of Veterans Affairs awarded SHOULDER INNOVATIONS, INC.: $21K obligated to date
6. Mar 10, 2026Company filing · Form 8-K · Results, Executive changeChanged a top executive or board member, and reported its results“On March 6, 2026, Michael Carusi, a Class I director of the Company's Board of Directors ("Board"), notified the Company of his intention to not stand for re-election at the Company's at the 2026 Annual Meeting of Stockholders (the "Annual Meeting") upon the conclusion of his current term.”
7. Mar 11, 2026Federal contract · $25K obligatedDepartment of Veterans Affairs awarded SHOULDER INNOVATIONS, INC.: $25K obligated to date
8. Mar 13, 2026Insider · 3 peopleInsiders: 3 purchases (~$78K)
9. Mar 26, 2026Federal contract · $22K obligatedDepartment of Veterans Affairs awarded SHOULDER INNOVATIONS, INC.: $22K obligated to date
10. Apr 2, 2026Federal contract · $21K obligatedDepartment of Veterans Affairs awarded SHOULDER INNOVATIONS, INC.: $21K obligated to date

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Shoulder Innovations

For Shoulder Innovations, OQRO holds 14 insider filings (SEC Form 4 or Form 144) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its SI page.

Other recent filings by Robert Joseph Ball, CEO & Executive Chairman

• SEC Form 4 at Shoulder Innovations (SI)Sep 15, 2026
• SEC Form 4 at Shoulder Innovations (SI)Mar 18, 2026
• SEC Form 4 at Shoulder Innovations (SI)Dec 16, 2025
• SEC Form 4 at Shoulder Innovations (SI)Sep 15, 2025
• SEC Form 4 at Shoulder Innovations (SI)Sep 15, 2025

The full history of Robert Joseph Ball, CEO & Executive Chairman is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Shoulder Innovations

• SEC Form 4Sep 15, 2026
• SEC Form 4Aug 29, 2026
• SEC Form 4Aug 25, 2026
• SEC Form 4Aug 25, 2026
• SEC Form 4Aug 25, 2026
• SEC Form 4Aug 19, 2026

Everything OQRO holds on this company is on its SI page.