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
AMGEN INC (AMGN)
Sector: Healthcare; Industry: Drug Manufacturers—General

Amgen Inc. discovers, develops, manufactures, and delivers human therapeutics worldwide. It focuses on inflammation, oncology/hematology, bone health, cardiovascular disease, nephrology and neuroscience areas. It also markets other products in various markets, including Nplate, Vectibix, Repatha, Parsabiv, BLINCYTO, Aimovig, NEUPOGEN, Otezla, AMGEVITA, KANJINTI, EVENITY, IMLYGIC, MVASI, and Corlanor. The company has collaboration agreements with Novartis; UCB; Bayer HealthCare LLC; BeiGene, Ltd.; QIAGEN N.V.; and Adaptive Biotechnologies.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2012-08-01 RICHO ANNA SVP & CCO Sell 5,125 $83.06 $425,698 Yes
2012-07-27 RICHO ANNA SVP & CCO Sell 7,875 $81.81 $644,230 Yes
2012-05-01 RICHO ANNA SVP & CCO Sell 20,000 $70.78 $1,415,571 Yes
2012-01-27 RICHO ANNA SVP & CCO Sell 45,446 $68.47 $3,111,592 Yes
2011-11-08 RICHO ANNA SVP & CCO Sell 1,500 $58.07 $87,105 No
2011-08-01 RICHO ANNA SVP & CCO Sell 24,950 $55.01 $1,372,621 Yes
2010-10-26 RICHO ANNA SVP & CCO Sell 5,900 $56.94 $335,954 Yes
2010-08-30 RICHO ANNA SVP & CCO Sell 3,000 $52.34 $157,020 No
2010-02-22 RICHO ANNA SVP & CCO Sell 450 $57.00 $25,650 No
2009-11-05 RICHO ANNA SVP & CCO Sell 2,000 $53.62 $107,240 No

Insider Smart

SYSCO CORP (SYY) - PELTZ NELSON and Frank Joshua D are insiders of SYSCO CORP, check their transactions to see how they sell high and buy low. Would that be more persuasive than just buy or sell?

Insider Smart

Liberty Media Corp (LSXMA) - BERKSHIRE HATHAWAY INC, Buffett made a move and add 2M shares to their position. What a news after dumping Airlines.