COO Harilaos Georgakopoulos Discloses 25.13% Ownership Stake Post-SPAC Merger
BRUN has more than doubled off its 52-week low of $9.995 on elevated volume (8.0× avg).
Summary
Harilaos Georgakopoulos, COO and Director of Boost Run Inc., reported a 25.13% beneficial ownership stake in the company following its recent SPAC merger, representing a significant concentration of control.
Key Events · Ownership and Investor Activity · BRUN
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Significant Executive Ownership
Harilaos Georgakopoulos, the Chief Operating Officer and a Director, reported beneficial ownership of 8,016,095 shares of Class A Common Stock.
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Substantial Stake in Company
This ownership represents 25.13% of Boost Run Inc.'s outstanding Class A Common Stock.
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Post-Merger Share Issuance
The shares were acquired as a result of the business combination (SPAC merger) completed on May 8, 2026.
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Subject to Lock-Up Agreement
The shares are subject to a lock-up agreement, restricting their sale or distribution for a specified period.
Analysis · BRUN · Technology
This filing formalizes the significant ownership stake of Harilaos Georgakopoulos, Boost Run Inc.'s Chief Operating Officer and a Director, following the company's recent SPAC merger. A 25.13% stake gives him substantial influence over corporate activities and aligns his interests directly with the company's long-term performance. This, combined with the CEO's even larger reported stake, indicates a highly concentrated ownership structure among the executive leadership post-merger, which is critical for understanding corporate control and governance.
How filings like this one have moved
In the 30 days to Oct 5, 2026, 42.7% of the 288 measured filings Wiseek scored 9 moved their stock by 5% or more by the next session's close. The median move was -0.53%. 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 $29.40 on NASDAQ in the Technology sector, with a market capitalization of approximately $511.4M. The 52-week trading range was $10.00 to $31.50. This filing was assessed with neutral market sentiment and an importance score of 9 out of 10.