Rainbow Robotics Faces Insider Trading Probe Amid Headquarters Expansion
South Korean prosecutors are investigating allegations of insider trading against executives at Rainbow Robotics, a robotics specialist, as the company prepares to open its new headquarters in Sejong City. The probe comes as Rainbow Robotics experiences significant growth following a substantial investment from Samsung Electronics.
Insider Trading Investigation
The Financial and Securities Crime Joint Investigation Division at the Seoul Southern District Prosecutors’ Office is investigating claims that Rainbow Robotics executives profited from non-public information regarding Samsung Electronics’ investment in the firm. The Securities and Futures Commission initially flagged 16 individuals suspected of trading ahead of the public announcement, referring two for prosecution and 14 for further investigation [Source: The Chosun Biz]. Key suspects reportedly include the company’s chief executive and chief financial officer [Source: Alpha Biz].
Authorities suspect unfair profits of 3 to 4 billion won were gained through insider trading between 2022 and 2024 [Source: Alpha Biz]. Former Chief Financial Officer Bang Seung-young has resigned from his position and is now serving as the head of the management support department.
New Headquarters and Expansion Plans
Despite the investigation, Rainbow Robotics is moving forward with the completion of its new headquarters in Sejong City, expected by the end of March 2026. The building, located in Sejong Tech Valley, spans 5,237 square meters with seven floors above ground and one below [Source: The Chosun Biz]. The new facility will house robot production, research and development, and office space, consolidating operations currently located in Daejeon.
The company is likewise expanding its workforce, with approximately 40 job postings across various departments, including business development, overseas sales, research and development, and production. This expansion is attributed to the company’s overall growth, not solely the relocation of the headquarters [Source: The Chosun Biz].
Increased Production Capacity and Smart Manufacturing
The new headquarters is expected to significantly increase Rainbow Robotics’ production capacity. Currently, the company produces some of its main robots at a rate of 10 to 20 units per month [Source: The Chosun Biz]. The company plans to implement a smart manufacturing system, utilizing its own collaborative robots to produce both parts and finished products, aiming for a “factory where robots produce robots” [Source: The Chosun Biz].
Company Background
Founded in 2011 by KAIST researchers who developed Korea’s first bipedal robot, ‘Hubo’, Rainbow Robotics has seen its stock price surge following Samsung Electronics’ investment. The stock price rose from 10,000 won at its 2021 KOSDAQ listing to over 800,000 won in February 2026 [Source: The Chosun Biz].
Rainbow Robotics maintains it does not anticipate any impact on company management as a result of the investigation [Source: The Chosun Biz].