The CEO of Shoulder Innovations paid $58K out of pocket for Shoulder Innovations shares. 1 other person at Shoulder Innovations bought some too, in the same month.

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 Ownership

All the details

Dates, kept separate

Transaction date: Dec 12, 2025
Reporting period: Not applicable
Filed with the SEC: Dec 16, 2025

CEO$25K–$100KHoldings +3%2 insiders bought in 30dLargest by this insider

Context

Classification

open market purchase

Code P — open-market or private purchase

Absolute commitment

~$58,075

Shares × reported transaction price

Size band

Ask Claude or ChatGPT about these filings. Connect OQRO in a minute, then ask things like “which insiders bought this week?”

$25K–$100K

Ownership change

+3.4%

Purchase shares ÷ estimated pre-transaction holdings, from the filing

Rarity

First purchase in 0 months

Confirmed open-market purchases by the same insider in the available history

Largest by this insider

Yes

Compared with 1 earlier confirmed purchase

Cluster activity

2 distinct insiders in 30 days

Distinct insiders at the same issuer with confirmed open-market purchases

Timing vs results

30 days after results of Nov 12, 2025, 88 days before results of Mar 10, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

Source receipt

Record ID: 0001628280-25-057067
Filed / recorded: Dec 16, 2025, 2:51 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 12, 2025
Transaction code: P
Shares / units: 3,900
Price per share: $14.89
Acquired / disposed: Acquired (A)
Shares owned after: 118,457
Ownership form: Direct
Amendment: No

Footnotes from the filing

The price reported in Column 4 is a weighted average purchase price. The shares of Common Stock were purchased in multiple transactions at prices ranging from $14.60 to $15.26, inclusive. The Reporting Person undertakes to provide upon request by the staff of the Securities & Exchange Commission, the Issuer or any security holder of the Issuer, full information regarding the number of shares of Common Stock purchased at each separate price within the range set forth herein.