---
title: "Andrew Karos Discloses Investment at Boost Run Inc. with 48.08% Stake"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286627028.md"
description: "Andrew Karos disclosed a 48.08% stake in Boost Run Inc. following its business combination on May 8, 2026. As CEO and board member, he may influence corporate activities but has no current plans for mergers or governance changes. Karos leads from Northbrook, Illinois, and holds a significant equity position post-combination."
datetime: "2026-05-16T01:06:00.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286627028.md)
  - [en](https://longbridge.com/en/news/286627028.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286627028.md)
---

# Andrew Karos Discloses Investment at Boost Run Inc. with 48.08% Stake

Andrew Karos disclosed a 48.08% beneficial stake in Boost Run Inc.'s common stock. The shares arose from Boost Run's closing of its business combination on May 8, 2026, with the Schedule 13D filed on May 15, 2026. The large stake gives Karos substantial influence alongside his roles as CEO and director.

**Investor Intent**

Karos states he "may have influence over the corporate activities" of Boost Run because he serves as Chief Executive Officer and a board member. He currently "does not have any present plans or proposals" for actions such as mergers, asset sales, or changes in governance, but he may revisit his position over time.

**Investor's Background**

Andrew Karos is the Chief Executive Officer and a member of the Board of Directors of Boost Run Inc. He is a U.S. citizen and leads the company from its Northbrook, Illinois headquarters. As an operator-investor, he holds a significant rollover equity position following the company’s business combination.

Original SEC Filing: Boost Run Inc. \[ BRUN \] - SCHEDULE 13D - May. 15, 2026

**Disclaimer**

This is an AI-powered summary. It may contain inaccuracies. Consider verifying important information with the source. Please note this summary is solely based on documents filed with the SEC.

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