BRUN EFFECT: Shelf registration
Boost Run Inc.
Filed with the SEC on · accession 9999999995-26-003288
BRUN filed a EFFECT (effect) with the SEC on Oct 19, 2026. Boost Run Inc. filed an EFFECT notice indicating the SEC declared a registration statement effective. The stock moved -1.2% by the first close after the filing.
Summary of the filing
Boost Run Inc. filed an EFFECT notice indicating the SEC declared a registration statement effective. The filing is a routine effectiveness notice with no substantive details on the underlying offering.
Key details
How BRUN stock reacted
Close before
$8.89
Oct 16, 2026
First close after
-1.24%
$8.78
5 trading days
-18.73%
$7.22
Since filing
-31.50%
$6.09
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Click hereFrequently asked questions
What did BRUN file with the SEC on Oct 19, 2026?
BRUN filed a EFFECT (Shelf registration). Boost Run Inc. filed an EFFECT notice indicating the SEC declared a registration statement effective. The filing is a routine effectiveness notice with no substantive details on the underlying offering.
What does a shelf registration mean for BRUN stock?
New shares dilute existing holders and are often sold at a discount to the market price.
How do I read a EFFECT?
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 EFFECT (effect): A report the company filed with the SEC (the US market regulator).
How did BRUN stock react to this filing?
BRUN closed at $8.89 before the filing and $8.78 on Oct 19, 2026 (-1.24%). Five trading days later: $7.22 (-18.73%).
Other BRUN SEC filings
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