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
Athira Pharma, Inc. (ATHA)


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2020-09-22 PERCEPTIVE ADVISORS LLC 10%-Owner Buy 1,058,824 $17.00 $18,000,008 Yes
2020-09-22 EDELMAN JOSEPH 10%-Owner, Director Buy 1,058,824 $17.00 $18,000,008 Yes
2020-09-18 RTW INVESTMENTS, LP 10%-Owner Buy 750,000 $17.00 $12,750,000 Yes

Insider Smart

CARNIVAL CORP (CCL) - Cruislines $CCL $NCLH $RCL took a huge beat due to the pandemic, concerns of bankruptcy were raised. Among the three dominating companies in the industry, $CCL is the first one bought by insiders, such a bold move would definitely boost investor confidence.