[1][2] The error happened when Samsung Securities tried to pay a dividend to about 2,000 employees who participated in the company stock ownership plan.
[4] Some of these employees, according to the country's Financial Supervisory Service, proceeded with the sale despite receiving warnings from the company.
[6] A South Korean financial watchdog later found that 21 employees traded or attempted to sell their shares to profit from the error and were promptly reported to prosecutors.
[7] When Samsung Securities provided the shares, it used a process of naked short selling which is illegal in Korea and which the computer infrastructure was not supposed to allow.
[5] By May 7, 2018, Samsung Securities stated that it would file criminal lawsuits against employees who sold their shares during the fat finger incident.