Insightful Inve...'s  Instablog

United Therapeutics Corporation (UTHR), a biotechnology company, engages in the development and commercialization of therapeutic products for patients with chronic and life-threatening diseases in the United States and Internationally. On Dec. 19-Dec. 20 CEO Martine Rothblatt collectively bought 11,283 shares bringing his total ownership to over 656,000 shares.

Affymax, Inc. (AFFY), a biopharmaceutical company, engages in the development of drugs for the treatment of serious and life-threatening conditions. On Dec. 19, board director Peter Walker bought 16,540shares and this was more significant in the fact that it is the only shares he directly owns. He may see real good value at this point and possibly be buying more in the near future.

Support.com, Inc. (SPRT) provides online care services for the digital home and small business primarily in North America. On Dec. 19, major shareholder RGM Capital bought a massive 114,900 shares pushing their total owernship to over 6.15 million shares now indicating strong bullishness in SPRT.

ViroPharma Incorporated (VPHM), together with its subsidiaries, engages in the development and commercialization of therapeutic products that address serious diseases in the United States and internationally. On Dec. 14, major shareholder Baker Brothers Life Sciences Capital bought a considerable 291,706 shares and now holds a big 9.84 million shares.

Glu Mobile Inc. (GLUU) engages in the design, marketing, and sale of casual and traditional mobile games worldwide. On Dec. 14, board director Matthew Drapkin bought a huge 447,097 shares and now holds more than 1.6 million shares collectively.

Sunovia Energy Technologies, Inc. (SUNV.OB), together with its subsidiaries, engages in the development and sale of light emitting diode (LED) lighting products in the United States. On Dec. 15, CEO Arthur Buckland bought a big 10,000,000 shares and now holds directly 35 million shares.

Memorial Production Partners LP (MEMP) focuses on acquiring, developing, producing, and operating oil and natural gas properties in North America. On Dec. 14, President and CEO John Weinzierl bought a considerable 105,263 shares and this is interesting as these are the only shares he owns either directly or indirectly. Possibly he sees great value at these levels and will continue to purchase more shares.