Robert Joseph Ball - 06 Feb 2026 Form 4 Insider Report for SHOULDER INNOVATIONS, INC. (SI)

Role
CEO & Executive Chairman, Director
Signature
/s/ Jeffrey Points, as Attorney-in-Fact
Issuer symbol
SI
Transactions as of
06 Feb 2026
Net transactions value
+$29,132
Form type
4
Filing time
10 Feb 2026, 16:24:26 UTC
Previous filing
03 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Ball Robert Joseph CEO & Executive Chairman, Director C/O SHOULDER INNOVATIONS, INC., 1535 STEELE AVENUE SW, SUITE B, GRAND RAPIDS /s/ Jeffrey Points, as Attorney-in-Fact 10 Feb 2026 0002070664

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SI Common Stock Options Exercise $24,804 +10,000 +3.8% $2.48 274,604 06 Feb 2026 Direct F1
transaction SI Common Stock Options Exercise $4,328 +2,062 +0.75% $2.10 276,666 06 Feb 2026 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 -10,000 -3% $0.000000 319,756 06 Feb 2026 Common Stock 10,000 $2.48 Direct F2
transaction SI Stock Option Options Exercise $0 -2,062 -1.1% $0.000000 181,376 06 Feb 2026 Common Stock 2,062 $2.10 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes the following shares received without consideration as in-kind distributions: (i) 110,331 shares from Genesis Investment Holdings; (ii) 7,859 shares from cultivate(MD) Capital Accelerator Fund, L.P.; (iii) 6,948 shares from Cultivate MD Capital Fund I, LLC; and (iv) 19,348 shares from Cultivate MD Capital Fund II, LP. In prior reports, the reporting person reported beneficial ownership of 120,118 shares of Shoulder Innovations common stock held directly.
F2 The stock option vested as to one-fourth of the underlying shares on May 17, 2024, and the remaining shares vest in 36 equal increments on the last day of each calendar month thereafter.
F3 The stock option is fully vested and currently exercisable.