The estimated Net Worth of William R Keller is at least $2.31 million dollars as of 4 December 2014. William Keller owns over 5,000 units of Alexion Pharmaceuticals stock worth over $1,332,090 and over the last 15 years William sold ALXN stock worth over $981,250.
William has made over 8 trades of the Alexion Pharmaceuticals stock since 2010, according to the Form 4 filled with the SEC. Most recently William sold 5,000 units of ALXN stock worth $981,250 on 4 December 2014.
The largest trade William's ever made was exercising 9,770 units of Alexion Pharmaceuticals stock on 20 May 2013 worth over $501,690. On average, William trades about 2,585 units every 111 days since 2009. As of 4 December 2014 William still owns at least 7,276 units of Alexion Pharmaceuticals stock.
You can see the complete history of William Keller stock trades at the bottom of the page.
William's mailing address filed with the SEC is C/O ALEXION PHARMACEUTICALS, INC., 352 KNOTTER DRIVE, CHESHIRE, CT, 06410.
Over the last 21 years, insiders at Alexion Pharmaceuticals have traded over $451,742,532 worth of Alexion Pharmaceuticals stock and bought 2,576,434 units worth $277,855,180 . The most active insiders traders include Bros. Advisors Lp667, L.P.B..., Leonard Bell et Paul A Friedman. On average, Alexion Pharmaceuticals executives and independent directors trade stock every 9 days with the average trade being worth of $3,460,578. The most recent stock trade was executed by Daniel Bazarko on 17 December 2020, trading 24,066 units of ALXN stock currently worth $2,816,685.
Alexion is a global biopharmaceutical company focused on serving patients and families affected by rare diseases and devastating conditions through the discovery, development and commercialization of life-changing medicines. As a leader in rare diseases for more than 25 years, Alexion has developed and commercializes two approved complement inhibitors to treat patients with paroxysmal nocturnal hemoglobinuria (PNH) and atypical hemolytic uremic syndrome (aHUS), as well as the first and only approved complement inhibitor to treat anti-acetylcholine receptor (AchR) antibody-positive generalized myasthenia gravis (gMG) and neuromyelitis optica spectrum disorder (NMOSD). Alexion also has two highly innovative enzyme replacement therapies for patients with life-threatening and ultra-rare metabolic disorders, hypophosphatasia (HPP) and lysosomal acid lipase deficiency (LAL-D) as well as the first and only approved Factor Xa inhibitor reversal agent. In addition, the company is developing several mid-to-late-stage therapies, including a copper-binding agent for Wilson disease, an anti-neonatal Fc receptor (FcRn) antibody for rare Immunoglobulin G (IgG)-mediated diseases and an oral Factor D inhibitor as well as several early-stage therapies, including one for light chain (AL) amyloidosis, a second oral Factor D inhibitor and a third complement inhibitor. Alexion focuses its research efforts on novel molecules and targets in the complement cascade and its development efforts on hematology, nephrology, neurology, metabolic disorders, cardiology, ophthalmology and acute care. Headquartered in Boston, Massachusetts, Alexion has offices around the globe and serves patients in more than 50 countries.
Alexion Pharmaceuticals executives and other stock owners filed with the SEC include: