Director Sean Goodrich Sells 500,000 Shares at $14.00, Stake Drops to 8.88%
BRUN sits 44% above its 52-week low of $10.59 on elevated volume (2.1× avg).
Summary
Director Sean Goodrich sold 500,000 shares at $14.00 each, cutting his stake to 8.88% and extending a recent insider selling trend.
Key Events · Ownership and Investor Activity · BRUN
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Director Sells 500,000 Shares
Sean Goodrich sold 500,000 shares at $14.00 per share on September 14, 2026, for approximately $7.0 million in proceeds.
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Stake Reduced to 8.88%
Post-sale beneficial ownership is 4,437,921 shares, representing 8.88% of the 49,954,423 outstanding Class A shares.
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Insider Distribution Continues
This sale follows Goodrich's August 28 warrant exercise and $4.0 million stock sale, with net insider selling of $3.99 million over the past 90 days.
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Resale Overhang Context
The sale occurs alongside a registered resale of 58.7 million shares and 4 million warrants by insiders and early investors.
Analysis · BRUN · Technology
Director Sean Goodrich sold 500,000 shares of Boost Run at $14.00 per share on September 14, 2026, generating approximately $7.0 million in proceeds. This follows his August 28 warrant exercise and $4.0 million stock sale, continuing a pattern of insider distribution. The sale reduces his beneficial ownership to 4,437,921 shares, or 8.88% of the class. While the transaction is characterized as ordinary-course investment activity, it adds to the $3.99 million in net insider selling over the past 90 days and comes amid a broader resale registration of 58.7 million shares by insiders and early investors.
How filings like this one have moved
In the 30 days to Sep 16, 2026, 29.6% of the 1716 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.32%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, BRUN was trading at $15.25 on NASDAQ in the Technology sector, with a market capitalization of approximately $1.3B. The 52-week trading range was $10.59 to $42.00. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.