BRUN SCHEDULE 13D/A: SEC filing

Sean Goodrich and Goodrich ILMJS LLC

Filed with the SEC on · accession 0001493152-26-040611

BRUN filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Aug 28, 2026. Sean Goodrich and Goodrich ILMJS LLC filed a joint filing agreement as an amendment to a Schedule 13D regarding their position in Boost Run Inc. common stock. The stock moved -17.3% by the first close after the filing.

Summary of the filing

Sean Goodrich and Goodrich ILMJS LLC filed a joint filing agreement as an amendment to a Schedule 13D regarding their position in Boost Run Inc. common stock. The filing is a procedural exhibit and does not disclose any change in ownership or intent.

Key details

Subject companyBoost Run Inc.
Filing entityGoodrich ILMJS LLC
Managing member, goodrich ilmjs llcSean Goodrich

How BRUN stock reacted

Close before

$20.61

Aug 27, 2026

First close after

-17.27%

$17.05

5 trading days

-17.81%

$16.94

Since filing

-70.45%

$6.09

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Frequently asked questions

What did BRUN file with the SEC on Aug 28, 2026?

BRUN filed a SCHEDULE 13D/A (SEC filing). Sean Goodrich and Goodrich ILMJS LLC filed a joint filing agreement as an amendment to a Schedule 13D regarding their position in Boost Run Inc. common stock. The filing is a procedural exhibit and does not disclose any change in ownership or intent.

How do I read a SCHEDULE 13D/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).

How did BRUN stock react to this filing?

BRUN closed at $20.61 before the filing and $17.05 on Aug 28, 2026 (-17.27%). Five trading days later: $16.94 (-17.81%).

Other BRUN SEC filings

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