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
Radius Health, Inc. (RDUS)
Sector: Healthcare; Industry: Drug Manufacturers—Specialty & Generic

Radius Health, Inc., a biopharmaceutical company, develops and commercializes endocrine therapeutics in the areas of osteoporosis and oncology. The company has collaborations and license agreements with 3M Company; Ipsen Pharma SAS; Eisai Co. Ltd.; Duke University; and Teijin Limited.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2015-02-25 BIOTECH GROWTH N V 10%-Owner Buy 35,000 $45.74 $1,600,851 No
2014-06-11 F2 Bioscience IV L.P. 10%-Owner Buy 587,500 $8.00 $4,700,000 Yes
2014-06-11 Jovan-Embiricos Morana 10%-Owner, Director Buy 587,500 $8.00 $4,700,000 Yes
2014-06-06 BIOTECH GROWTH N V 10%-Owner Buy 1,000,000 $8.00 $8,000,000 Yes
2014-06-05 BROOKSIDE CAPITAL MANAGEMENT LLC 10%-Owner Buy 500,000 $8.00 $4,000,000 No

Insider Smart

Delta Airlines (DAL) - From an insider's perspective: airlines are the first ones to go under due to the pandemic. A lot of concerns were raised on possible bankruptcy especially amid by the dump from Buffett. However, insiders of Delta were bold enough to buy when Buffett was fear. And Delta is the only airline bought by insiders post-Buffett-dump.

Insider Smart

VBI Vaccines Inc (VBIV) - Since 10%-owner Perceptive Advisor LCC increased their holding in April, the stock have double the price. Impressive!