Prosecutors Raid Samsung Headquarters Again Amid Rainbow Robotics Insider Trading Investigation

By SEONGJUN JO Posted : June 11, 2026, 18:33 Updated : June 11, 2026, 18:33
[Photo: Samsung Electronics]

Prosecutors have conducted another raid on Samsung Electronics' headquarters as part of an investigation into allegations of insider trading related to the acquisition of Rainbow Robotics. Authorities are examining whether officials from both Samsung and Rainbow Robotics had prior knowledge of investment and acquisition-related information before purchasing stocks.

According to legal sources on June 11, the Southern District Prosecutors' Office in Seoul executed a search warrant at Samsung's headquarters the previous day. This follows a similar raid in March at Samsung's Suwon headquarters and Rainbow Robotics' office in Daejeon.

The current investigation focuses on whether employees from both companies utilized undisclosed positive information during the gradual acquisition of Rainbow Robotics shares leading up to the final takeover.

In February, the Financial Services Commission's Securities and Futures Commission reported Samsung employee Jo and Rainbow Robotics' Chief Financial Officer, known as A, to prosecutors for suspected violations of the Capital Markets Act.

Prosecutors suspect that from 2022 to 2024, these individuals used information related to Samsung's investment and acquisition of Rainbow Robotics to purchase stocks, potentially yielding illicit gains of 3 to 4 billion won.

Under the Capital Markets Act, information that could significantly impact stock prices, such as acquisitions or equity investments in listed companies, is subject to insider trading regulations until publicly disclosed. The outcome of the investigation may determine the extent of responsibility for the involved employees.

Rainbow Robotics is a domestic robotics company founded by researchers from KAIST. As interest in Samsung's investment and acquisition efforts grew, the company's stock price surged, placing it among the top market capitalizations on the KOSDAQ.

Samsung views robotics as a key driver of future growth. The acquisition of Rainbow Robotics has been interpreted as a strategic investment aimed at expanding its next-generation robotics business, including humanoid and industrial robots.



* This article has been translated by AI.

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