STOCK TITAN

Boost Run (BRUN) director exercises 1.1M warrants, then sells shares

(Very High)
(Very Negative)
Form Type
4

Rhea-AI Filing Summary

Boost Run Inc. (BRUN) reported insider activity by director Sean Goodrich involving indirect holdings through LLCs. On 2026-08-19, Goodrich ILMJS LLC exercised 1,101,986 Warrants with a $11.50 exercise price, converting them into 1,101,986 shares of Class A Common Stock held indirectly. The corresponding Warrant position reported in this filing fell to 0. On 2026-08-27, Goodrich ILJMS LLC sold 198,200 shares of Class A Common Stock at $20.15 per share, leaving 4,937,921 shares of Class A Common Stock held indirectly. A footnote states that Goodrich ILMJS LLC is the record holder, that Mr. Goodrich is its managing member with voting and investment discretion over those shares, and that he disclaims beneficial ownership except to the extent of his pecuniary interest.

Positive

  • None.

Negative

  • None.

Insights

Analyzing...

Insider Goodrich Sean
Role Director
Sold 198,200 shs ($3.99M)
Approx. gross sale proceeds $3.99M
Approx. exercise cost $12.67M
Type Security Shares Price Value
Sale Class A Common Stock F1 198,200 $20.15 $3.99M
Exercise Warrants F1 1,101,986 $0.00 $0.00
Exercise Class A Common Stock F1 1,101,986 $11.50 $12.67M
Holdings After Transaction: Warrants — 0 shares (Indirect, By Goodrich ILMJS LLC); Class A Common Stock — 5,136,121 shares (Indirect, By Goodrich ILMJS LLC); Class A Common Stock — 4,937,921 shares (Indirect, By Goodrich ILJMS LLC)
Footnotes (1)
  1. F1. Goodrich ILMJS LLC is the record hold of such securities. Mr. Goodrich is the managing member of Goodrich ILMJS LLC and holds and holds voting and investment discretion with respect to the shares of Boost Run Inc. Class A Common Stock held of record by Goodrich ILMJS LLC. Mr. Goodrich disclaims any beneficial ownership of the securities held by Goodrich ILMJS LLC other than to the extent of any pecuniary interest he may have therein, directly or indirectly.
Shares sold 198,200 shares of Class A Common Stock Sale on 2026-08-27 by Goodrich ILJMS LLC at $20.15 per share
Sale price $20.15 per share Price for 198,200 Class A Common Stock shares sold on 2026-08-27
Warrants exercised 1,101,986 Warrants Exercised on 2026-08-19 by Goodrich ILMJS LLC into Class A Common Stock
Warrant exercise price $11.50 per share Exercise or conversion price for 1,101,986 Warrants into Class A Common Stock
Shares acquired via exercise 1,101,986 shares of Class A Common Stock Non-derivative shares received on 2026-08-19 following Warrant exercise
Shares held after sale 4,937,921 shares of Class A Common Stock Indirectly held by Goodrich ILJMS LLC after 198,200-share sale on 2026-08-27
Expiration date of Warrants 2031-05-08 Original expiration date for the 1,101,986 Warrants that were exercised
Exercise date of Warrants 2026-06-08 Exercise date associated with the Warrant derivative security before reporting the 2026-08-19 transaction
Warrants financial
"security_title: "Warrants"; underlying security is Class A Common Stock"
Warrants are special documents that give you the right to buy a company's stock at a set price before a certain date. They are often used as a way for companies to attract investors or raise money, and their value can increase if the company's stock price goes up.
derivative security financial
"transaction_code_description: "Exercise or conversion of derivative security""
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
indirect financial
"ownership_type: "indirect" with nature of ownership by LLC entities"
pecuniary interest financial
"disclaims any beneficial ownership ... other than to the extent of any pecuniary interest"

FAQ

What insider transactions did BRUN director Sean Goodrich report in this Form 4?

Sean Goodrich, through entities Goodrich ILMJS LLC and Goodrich ILJMS LLC, reported exercising 1,101,986 Warrants into Class A Common Stock at a $11.50 exercise price on 2026-08-19 and selling 198,200 shares of Class A Common Stock at $20.15 per share on 2026-08-27.

How many Boost Run Inc. (BRUN) shares did the insider sell and at what price?

Goodrich ILJMS LLC, associated with director Sean Goodrich, sold 198,200 shares of Boost Run Inc. Class A Common Stock at a price of $20.15 per share on 2026-08-27, in an open market or private transaction as coded by transaction code S.

What Warrants did the BRUN insider exercise and what was the exercise price?

On 2026-08-19, Goodrich ILMJS LLC exercised 1,101,986 Warrants for Boost Run Inc. Class A Common Stock at an exercise price of $11.50 per share. These Warrants, which were derivative securities, were fully exercised, leaving 0 Warrants reported after the transaction.

What is the insider’s indirect shareholding in BRUN after these transactions?

After the reported transactions, Goodrich ILJMS LLC held 4,937,921 shares of Boost Run Inc. Class A Common Stock indirectly. The Form 4 shows this total share amount following the 198,200-share sale dated 2026-08-27.

How does the BRUN insider describe beneficial ownership of the LLC-held shares?

The filing states that Goodrich ILMJS LLC is the record holder and that Sean Goodrich, as managing member, has voting and investment discretion. He disclaims beneficial ownership of the securities held by Goodrich ILMJS LLC except to the extent of any pecuniary interest he may have in them.

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Learn about SEC filing dates
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*
Goodrich Sean

(Last)(First)(Middle)
C/O BOOST RUN INC.
5 REVERE DRIVE, SUITE 200

(Street)
NORTHBROOK ILLINOIS 60062

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Boost Run Inc. [ BRUN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/19/2026
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
Class A Common Stock08/19/2026M1,101,986A$11.55,136,121IBy Goodrich ILMJS LLC(1)
Class A Common Stock08/27/2026S198,200D$20.154,937,921IBy Goodrich ILJMS LLC(1)
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
Warrants$11.508/19/2026M1,101,98606/08/202605/08/2031Class A Common Stock1,101,986$00IBy Goodrich ILMJS LLC(1)
Explanation of Responses:
1. Goodrich ILMJS LLC is the record hold of such securities. Mr. Goodrich is the managing member of Goodrich ILMJS LLC and holds and holds voting and investment discretion with respect to the shares of Boost Run Inc. Class A Common Stock held of record by Goodrich ILMJS LLC. Mr. Goodrich disclaims any beneficial ownership of the securities held by Goodrich ILMJS LLC other than to the extent of any pecuniary interest he may have therein, directly or indirectly.
/s/ Sean Goodrich08/28/2026
** 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)