Why insider trading matters?

Numerous studies have examined whether there is evidence that U.S. insiders systematically trade on private information despite the legal deterrence. The consensus appears to be that insider purchases (but not sales) tend to be followed by positive abnormal stock price performance, particularly for small growth stocks.

- Prof. B. Espen Eckbo, Dartmouth College
StoneCo Ltd. (STNE)
Sector: Technology; Industry: Software—Application

StoneCo Ltd. provides financial technology solutions that empower merchants and integrated partners to conduct electronic commerce across in-store, online, and mobile channels in Brazil. As of December 31, 2018, the company served approximately 267,000 clients, which included digital, and brick-and-mortar merchants, primarily small-and-medium-sized businesses; and 108 integrated partners, such as global payment service providers, digital marketplaces, and integrated software vendors. The company was founded in 2000 and is headquartered in São Paulo, Brazil.


Trade Date Insider Title Buy/Sell #Shares Price Value Option

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