STOCK TITAN

SI (SI) CEO Robert Ball exercises options, lifts direct stake to 300,018 shares

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

SHOULDER INNOVATIONS, INC. director and CEO Robert Joseph Ball exercised stock options to acquire 10,000 shares of Common Stock at $2.4804 per share. Following the transaction, he directly holds 300,018 common shares.

His stock option position stands at 309,756 options after the exercise, with these options expiring on May 17, 2033. A footnote explains that his current share count includes 4,400 shares received from Cultivate MD Capital Fund I, LLC and 6,752 shares from Genesis Investment Holdings as in-kind distributions, in addition to the 278,866 shares previously reported as directly owned.

Positive

  • None.

Negative

  • None.
Insider Ball Robert Joseph
Role CEO & Executive Chairman
Type Security Shares Price Value
Exercise Stock Option 10,000 $0.00 --
Exercise Common Stock 10,000 $2.4804 $25K
Holdings After Transaction: Stock Option — 309,756 shares (Direct, null); Common Stock — 300,018 shares (Direct, null)
Footnotes (1)
  1. Includes the following shares received without consideration as in-kind distributions: (i) 4,400 shares from Cultivate MD Capital Fund I, LLC; and (ii) 6,752 shares from Genesis Investment Holdings. In prior reports, the reporting person reported beneficial ownership of 278,866 shares of Shoulder Innovations common stock held directly. 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.
Options exercised 10,000 shares Common Stock acquired via option exercise at $2.4804 per share
Exercise price $2.4804 per share Price for 10,000 Common Stock shares acquired through option exercise
Direct common shares held 300,018 shares Direct Common Stock holdings after transaction
Options remaining 309,756 options Stock options held after exercise, expiring May 17, 2033
In-kind distribution from Cultivate MD 4,400 shares Common Stock received without consideration from Cultivate MD Capital Fund I, LLC
In-kind distribution from Genesis 6,752 shares Common Stock received without consideration from Genesis Investment Holdings
Previously reported direct holdings 278,866 shares Common Stock previously reported as directly owned in earlier filings
Stock Option financial
"The stock option vested as to one-fourth of the underlying shares on May 17, 2024"
A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.
in-kind distributions financial
"Includes the following shares received without consideration as in-kind distributions"
vested financial
"The stock option vested as to one-fourth of the underlying shares on May 17, 2024"
beneficial ownership financial
"the reporting person reported beneficial ownership of 278,866 shares of Shoulder Innovations common stock"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Ball Robert Joseph

(Last)(First)(Middle)
C/O SHOULDER INNOVATIONS, INC.
1535 STEELE AVENUE SW, SUITE B

(Street)
GRAND RAPIDS MICHIGAN 49507

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
SHOULDER INNOVATIONS, INC. [ SI ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
CEO & Executive Chairman
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/30/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock04/30/2026M10,000A$2.4804300,018(1)D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option$2.480404/30/2026M10,000 (2)05/17/2033Common Stock10,000$0309,756D
Explanation of Responses:
1. Includes the following shares received without consideration as in-kind distributions: (i) 4,400 shares from Cultivate MD Capital Fund I, LLC; and (ii) 6,752 shares from Genesis Investment Holdings. In prior reports, the reporting person reported beneficial ownership of 278,866 shares of Shoulder Innovations common stock held directly.
2. 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.
Remarks:
/s/ Jeffrey Points, as Attorney-in-Fact04/30/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did SI CEO Robert Joseph Ball do in this Form 4 filing?

Robert Joseph Ball exercised stock options to acquire 10,000 shares of SHOULDER INNOVATIONS common stock at $2.4804 per share. This increased his direct holdings to 300,018 common shares and reduced his option position to 309,756 options expiring in May 2033.

How many SHOULDER INNOVATIONS (SI) shares does Robert Joseph Ball now hold?

After the reported transactions, Robert Joseph Ball directly holds 300,018 shares of SHOULDER INNOVATIONS common stock. This total includes previously reported holdings plus additional in-kind distributions from Cultivate MD Capital Fund I, LLC and Genesis Investment Holdings, as described in the filing footnote.

What stock option activity did the SI Form 4 report for Robert Joseph Ball?

The filing shows Ball exercised stock options covering 10,000 underlying common shares at an exercise price of $2.4804. After this exercise, he still holds 309,756 stock options, which are scheduled to expire on May 17, 2033, according to the transaction details in the form.

What is the exercise price and expiration for Robert Joseph Ball’s SI stock options?

The exercised options had an exercise price of $2.4804 per share for 10,000 underlying common shares. The remaining 309,756 options share the same grant structure and have an expiration date of May 17, 2033, as disclosed in the derivative transaction information.

How did in-kind distributions affect Robert Joseph Ball’s SI share count?

A footnote explains his holdings now include 4,400 shares distributed in kind from Cultivate MD Capital Fund I, LLC and 6,752 shares from Genesis Investment Holdings. These came without cash consideration and are added to the 278,866 previously reported directly owned shares.

How does this SI Form 4 characterize the nature of Robert Joseph Ball’s transactions?

Both transactions are coded “M,” indicating an exercise or conversion of derivative securities rather than open-market buying or selling. The filing’s transaction fields classify the direction as “acquire,” reflecting that Ball increased his direct common share ownership through option exercises.