Matthew Fraser Ahearn - 11 Sep 2025 Form 4 Insider Report for SHOULDER INNOVATIONS, INC. (SI)

Role
CHIEF OPERATING OFFICER, Director
Signature
/s/ Jeffrey Points, as Attorney-in-Fact
Issuer symbol
SI
Transactions as of
11 Sep 2025
Net transactions value
+$217,271
Form type
4
Filing time
15 Sep 2025, 16:09:17 UTC
Previous filing
05 Aug 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Ahearn Matthew Fraser CHIEF OPERATING OFFICER, Director C/O SHOULDER INNOVATIONS, INC., 1535 STEELE AVENUE SW, SUITE B, GRAND RAPIDS /s/ Jeffrey Points, as Attorney-in-Fact 15 Sep 2025 0002070582

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SI Common Stock Options Exercise $11,486 +12,286 +11% $0.9349 120,320 11 Sep 2025 Direct
transaction SI Common Stock Options Exercise $164,999 +78,616 +65% $2.10 198,936 11 Sep 2025 Direct
transaction SI Common Stock Options Exercise $40,785 +16,443 +8.3% $2.48 215,379 11 Sep 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction SI Stock Option Options Exercise $0 -12,286 -100% $0.000000 0 11 Sep 2025 Common Stock 12,286 $0.9349 Direct F1
transaction SI Stock Option Options Exercise $0 -78,616 -100% $0.000000 0 11 Sep 2025 Common Stock 78,616 $2.10 Direct F1
transaction SI Stock Option Options Exercise $0 -16,443 -50% $0.000000 16,285 11 Sep 2025 Common Stock 16,443 $2.48 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The stock option is fully vested and currently exercisable.
F2 The stock option vested as to one-fourth of the underlying shares on April 19, 2024, and the remaining shares vest in 36 equal increments on the last day of each calendar month thereafter.