Derivative exercise or conversion — not an open-market buy.
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
Mar 13, 2026
Reporting period
Not applicable
Filed with the SEC
Mar 18, 2026
DirectorOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
None found in footnotes
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001215243-26-000001
Filed / recorded
Mar 18, 2026, 1:38 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
Paul Buckman
Relationship
Director
Security
Common Stock
Table
Non-derivative (Table I)
Transaction date
Mar 13, 2026
Transaction code
M
Shares / units
19,401
Price per share
$2.48
Acquired / disposed
Acquired (A)
Shares owned after
39,505
Ownership form
Direct
Amendment
No
Footnotes from the filing
Includes the following shares received without consideration as in-kind distributions: (i) 3,144 shares from cultivate(MD) Capital Accelerator Fund, L.P.; and (ii) 3,096 shares from Cultivate MD Capital Fund II, LP. In prior reports, the reporting person reported beneficial ownership of 13,864 shares of Shoulder Innovations common stock held directly.
The CFO of Shoulder Innovations paid $30K out of pocket for Shoulder Innovations shares. 2 other people at Shoulder Innovations bought some too, in the same month.