Samsung can’t seem to catch a break. The South Korean tech giant’s office was raided yesterday by prosecutors over allegations of insider trading – and it all ties back to its Rainbow Robotics acquisition.
According to the report, investigators from the Seoul Southern District Prosecutors’ Office carried out a search-and-seizure operation at Samsung Electronics’ South Korean office. The target? Alleged insider trading by employees of Rainbow Robotics, the robotics firm that Samsung fully acquired in 2025.
The allegations are pretty straightforward. Employees of Rainbow Robotics are accused of using insider information about the upcoming Samsung acquisition to make some very convenient trades, which is a direct violation of South Korea’s Capital Markets Act. Financial authorities have reportedly named 16 people in the case, including the head of Rainbow Robotics and its CFO. The suspected gains? Somewhere between KRW 3 to 4 billion, which works out to roughly $1.9 to $2.6 million. And this allegedly went on between 2022 and 2024.
To be clear, this isn’t Samsung Electronics employees doing the trading — it’s people from the subsidiary. But it doesn’t exactly look great for a company that’s been trying to rebuild its reputation and position itself as a serious player in AI chips and next-gen technology.
Rainbow Robotics is actually a pretty interesting company. It makes collaborative robots used in manufacturing, barista and cocktail-making robots, humanoid robots, and even robo dogs for defense and industrial patrol. Samsung saw enough potential there to make it a full subsidiary – and it’s a big part of Samsung’s broader robotics push.
This is exactly the kind of thing that gives corporate acquisitions a bad reputation. When word gets out that an acquisition is coming, apparently, some people just can’t help themselves. Samsung now has to deal with the legal fallout of someone else’s bad decisions – not a great look heading into Unpacked season.
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