Possible punishments if Jung Yonghwa is found to be guilty of insider trading

Dispatch recently reported that FNC is under investigation for stock manipulation, including one of their idol group leader/actor A. The hints that Dispatch gave was that he was under FNC, he's the main vocalist/leader, and that he was given information about Yoo Jae Suk signing with the company before he was supposed to know, which he used to buy 400 million won worth of the company's stock. (source)

Insider trading is absolutely illegal. If a company worker (FNC staff) gives insider information to someone (FNC idol), both are to be punished by law. They will receive a maximum of 10-year sentence or fined three times of the amount they earned.

10-year sentence or
0.4 billion won x 3 = 1.2 billion won

Currently, FNC is clear from suspicion and only Jung Yonghwa is under accusation.

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Pann: Jung Yonghwa's punishment is really big

1. [+116, -2] What did Yoo God do to deserve this. He must be so upset that he was used like this.

2. [+106, -9] I don't feel bad for him though. Maybe because he was always unlikeable.

3. [+104, -3] Crazy. But think of other investors who lost their money because of this... It could be our mom and dad. 0.4 billion won isn't nothing.

4. [+28, -2] 1.2 billion won must be nothing for him. It's more of damaging his image.

5. [+25, -1] Do you think Jung Yonghwa will go bankrupt by 1.2 billion? He'll only go back to being a non-celebrity.

6. [+24, -0] Yoo Jae Suk joined the company because he trusted Jung Hyung Don but there was this jerk... Yoo God has no luck with his companies.

7. [+22, -0] Isn't Jung Yonghwa rich? It must be more than 1.2 billion.

8. [+19, -0] Yoo God, please leave FNC ㅠㅠ