Last updated: 3 July 2019 at 3:50am EST

David W Keiser Net Worth




The estimated Net Worth of David W Keiser is at least $38.3 Million dollars as of 1 June 2009. David Keiser owns over 50,000 units of Alexion Pharmaceuticals stock worth over $27,378,882 and over the last 21 years David sold ALXN stock worth over $10,901,312.

David Keiser ALXN stock SEC Form 4 insiders trading

David has made over 42 trades of the Alexion Pharmaceuticals stock since 2003, according to the Form 4 filled with the SEC. Most recently David sold 50,000 units of ALXN stock worth $1,831,000 on 1 June 2009.

The largest trade David's ever made was selling 58,233 units of Alexion Pharmaceuticals stock on 1 April 2009 worth over $2,110,364. On average, David trades about 10,837 units every 41 days since 2003. As of 1 June 2009 David still owns at least 149,546 units of Alexion Pharmaceuticals stock.

You can see the complete history of David Keiser stock trades at the bottom of the page.



What's David Keiser's mailing address?

David's mailing address filed with the SEC is C/O ALEXION PHARMACEUTICALS INC, 352 KNOTTER DRIVE, CHESHIRE, CT, 06410.

Insiders trading at Alexion Pharmaceuticals

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, and 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.



What does Alexion Pharmaceuticals do?

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.



What does Alexion Pharmaceuticals's logo look like?

Alexion Pharmaceuticals Inc. logo

Complete history of David Keiser stock trades at Alexion Pharmaceuticals

Date
#
Company
Insider
Trans.
Transaction
Shares Price per share Total value Shares after Source
1 Jun 2009 David W Keiser
President and Chief Operating Off
Sale 50,000 $36.62 $1,831,000
1 Jun 2009
149,546
11 May 2009 David W Keiser
President and Chief Operating Off
Sale 7,800 $35.01 $273,078
11 May 2009
159,546
7 May 2009 David W Keiser
President and Chief Operating Off
Sale 2,200 $35.00 $77,000
7 May 2009
167,346
1 May 2009 David W Keiser
President and Chief Operating Off
Option 40,000 $17.33 $693,200
1 May 2009
209,546
1 Apr 2009 David W Keiser
President and Chief Operating Off
Sale 58,233 $36.24 $2,110,364
1 Apr 2009
169,546
16 Mar 2009 David W Keiser
President and Chief Operating Off
Sale 3,281 $34.25 $112,374
16 Mar 2009
187,779
13 Mar 2009 David W Keiser
President and Chief Operating Off
Sale 10,000 $35.01 $350,100
13 Mar 2009
191,060
10 Mar 2009 David W Keiser
President and Chief Operating Off
Sale 304 $32.34 $9,831
10 Mar 2009
201,060
2 Mar 2009 David W Keiser
President and Chief Operating Off
Option 40,000 $10.16 $406,400
2 Mar 2009
241,364
17 Feb 2009 David W Keiser
President and Chief Operating Off
Sale 55,515 $39.47 $2,191,177
17 Feb 2009
201,364
16 Jan 2009 David W Keiser
President and Chief Operating Off
Sale 2,110 $36.90 $77,859
16 Jan 2009
216,879
12 Jan 2009 David W Keiser
President and Chief Operating Off
Sale 375 $34.51 $12,941
12 Jan 2009
218,989
11 Sep 2008 David W Keiser
President and Chief Operating Off
Sale 319 $40.36 $12,875
11 Sep 2008
219,045
11 Sep 2008 David W Keiser
President and Chief Operating Off
Sale 319 $40.12 $12,798
11 Sep 2008
219,045
30 Jul 2008 David W Keiser
President and Chief Operating Off
Option 10,000 $21.00 $210,000
30 Jul 2008
119,682
25 Jul 2008 David W Keiser
President and Chief Operating Off
Option 20,000 $20.57 $411,400
25 Jul 2008
129,682
10 Jul 2008 David W Keiser
President and Chief Operating Off
Sale 159 $75.75 $12,044
10 Jul 2008
109,682
1 Jul 2008 David W Keiser
President and Chief Operating Off
Option 20,000 $16.95 $339,000
1 Jul 2008
129,841
1 May 2008 David W Keiser
President and Chief Operating Off
Sale 50,000 $70.02 $3,501,000
1 May 2008
109,841
10 Mar 2008 David W Keiser
President and Chief Operating Off
Sale 159 $56.05 $8,912
10 Mar 2008
109,841
9 Jan 2008 David W Keiser
President and Chief Operating Off
Sale 709 $69.02 $48,935
9 Jan 2008
110,000
13 Dec 2007 David W Keiser
President and Chief Operating Off
Option 12,500 $9.00 $112,500
13 Dec 2007
117,709
1 Nov 2007 David W Keiser
President and Chief Operating Off
Option 12,500 $9.00 $112,500
1 Nov 2007
117,709
10 Sep 2007 David W Keiser
President and Chief Operating Off
Sale 209 $65.18 $13,623
10 Sep 2007
105,209
30 Jul 2007 David W Keiser
President and Chief Operating Off
Option 4,250 $10.50 $44,625
30 Jul 2007
109,668
8 May 2007 David W Keiser
President and Chief Operating Off
Option 9,375 $10.50 $98,438
8 May 2007
114,793
3 Jan 2007 David W Keiser
President and Chief Operating Off
Option 9,375 $10.50 $98,438
3 Jan 2007
107,793
22 Nov 2006 David W Keiser
President and Chief Operating Off
Option 2,000 $10.50 $21,000
22 Nov 2006
98,418
10 Mar 2006 David W Keiser
President and Chief Operating Off
Option 3,005 $10.00 $30,050
10 Mar 2006
94,014
1 Feb 2006 David W Keiser
President and Chief Operating Off
Option 20,000 $10.00 $200,000
1 Feb 2006
111,009
3 Oct 2005 David W Keiser
President and Chief Operating Off
Option 5,568 $10.00 $55,680
3 Oct 2005
87,009
2 Sep 2005 David W Keiser
President and Chief Operating Off
Option 21,427 $10.00 $214,270
2 Sep 2005
83,427
31 Jan 2005 David W Keiser
President and Chief Operating Off
Option 11,500 $2.38 $27,370
31 Jan 2005
70,000
29 Dec 2004 David W Keiser
President and Chief Operating Off
Option 11,500 $2.38 $27,370
29 Dec 2004
63,000
30 Nov 2004 David W Keiser
President and Chief Operating Off
Option 11,500 $2.38 $27,370
30 Nov 2004
56,000
1 Nov 2004 David W Keiser
President and Chief Operating Off
Option 11,500 $2.38 $27,370
1 Nov 2004
50,500
29 Sep 2004 David W Keiser
President and Chief Operating Off
Option 11,500 $2.38 $27,370
29 Sep 2004
43,000
30 Aug 2004 David W Keiser
President and Chief Operating Off
Option 11,500 $2.38 $27,370
30 Aug 2004
35,500
10 May 2004 David W Keiser
President and Chief Operating Off
Sale 3,000 $21.01 $63,030
10 May 2004
24,000
9 Feb 2004 David W Keiser
President and Chief Operating Off
Sale 3,000 $20.58 $61,740
9 Feb 2004
27,000
2 Dec 2003 David W Keiser
President and Chief Operating Off
Sale 3,000 $20.20 $60,600
2 Dec 2003
30,000
2 Oct 2003 David W Keiser
President and Chief Operating Off
Sale 3,000 $20.01 $60,030
2 Oct 2003
33,000


Alexion Pharmaceuticals executives and stock owners

Alexion Pharmaceuticals executives and other stock owners filed with the SEC include: