Compensation award — excluded from discretionary-purchase analysis.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Dec 31, 2025
Reporting period
Not applicable
Filed with the SEC
Jan 9, 2026
CEOGrant / award
Context
Classification
grant award
Code A — grant or award
Planned / mechanical clue
Footnote references an employee stock purchase plan
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0002070664-26-000001
Filed / recorded
Jan 9, 2026, 2:57 AM UTC
Added to OQRO
Oct 7, 2026, 5:52 AM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
SHOULDER INNOVATIONS, INC.
Issuer CIK
1699350
Ticker
SI
Reporting person
Robert Joseph Ball
Relationship
Director, Officer
Officer title
CEO & Executive Chairman
Security
Common Stock
Table
Non-derivative (Table I)
Transaction date
Dec 31, 2025
Transaction code
A
Shares / units
1,661
Price per share
$12.16
Acquired / disposed
Acquired (A)
Shares owned after
120,118
Ownership form
Direct
Amendment
No
Footnotes from the filing
The Reporting Person is voluntarily reporting the acquisition of shares under the Issuer's 2025 Employee Stock Purchase Plan ("ESPP") .
In accordance with the ESPP, these shares were purchased at a price equal to 85% of the closing price of the Issuer's common stock on December 31, 2025.