Read the articles titled "Kakao Pay shares rebound after CEO, others step down amid stock options row," "Kakao forbids stock option exercises by CEOs, executives"and "Kakao Pay CEO vows not to receive pay and buy back shares, but stock loses 3%" and answer the following questions.

What is a lock-up period? Should stock options be exempt from the lock-up provision of six months?

The CEO and executives of Kakao affiliates can no longer sell company shares shortly after their IPOs. Would this achieve the purpose of aligning the interests of executives and shareholders?

https://www.reuters.com/markets/stocks/skoreas-kakao-pay-shares-rebound-after-ceo-others-step-down-amid-stock-options-2022-01-21/

http://www.koreaherald.com/view.php?ud=20220113000902

https://pulsenews.co.kr/view.php?year=2022&no=268367