App to track big players' share trades in KLSE (By wikipedia)

Spiking is a mobile social trading platform which provides financial information about 10 stock exchange markets in Asia and Australia. By processing the latest disclosures published on the markets, the mobile app allows investors to track stocks for moves made by company directors and substantial shareholders. It also provides other relevant information, like the main shareholders of companies or the portfolios of sophisticated investors.

https://en.wikipedia.org/wiki/Spiking_(mobile_app)

https://play.google.com/store/apps/details?id=com.spiking.spike.android&hl=en

https://spiking.com/