1. Title of Derivative Security (Instr. 4) |
2. Date Exercisable and Expiration Date (Month/Day/Year) |
3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) |
4. Conversion or Exercise Price of Derivative Security |
5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5) |
6. Nature of Indirect Beneficial Ownership (Instr. 5) |
Date Exercisable |
Expiration Date |
Title |
Amount or Number of Shares |
Employee Stock Option (right to buy)
|
Â
(4)
|
06/08/2008 |
Common Stock
|
15,000
(6)
|
$
16.7
(6)
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
01/12/2010 |
Common Stock
|
27,000
(6)
|
$
6.7
(6)
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
01/12/2010 |
Common Stock
|
63,000
(6)
|
$
20
(6)
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
03/23/2010 |
Common Stock
|
52,500
(6)
|
$
6.7
(6)
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
03/23/2010 |
Common Stock
|
30,000
(6)
|
$
20
(6)
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
07/30/2011 |
Common Stock
|
60,000
(6)
|
$
6.7
(6)
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
03/01/2008 |
Common Stock
|
37,500
(6)
|
$
17
(6)
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
03/01/2008 |
Common Stock
|
25,000
(6)
|
$
19.7
(6)
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
11/22/2009 |
Common Stock
|
20,000
(6)
|
$
14.5
(6)
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(5)
|
06/17/2010 |
Common Stock
|
13,500
(6)
|
$
13.1
(6)
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
06/16/2011 |
Common Stock
|
45,000
(6)
|
$
13.8
(6)
|
D
|
Â
|
* |
If the form is filed by more than one reporting person, see Instruction 5(b)(v). |
** |
Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
(1) |
Reflects a one-for-ten reverse stock split that became effective on April 20, 2007. |
(2) |
Reflects shares owned by Joanne Burns over which Dr. Taylor has sole voting power pursuant to a Voting and First Refusal Agreement between Dr. Taylor and Ms. Burns, dated September 27, 2003 and amended and restated on April 18, 2005. |
(3) |
Shares held by Princeton Research Associates, Inc. Dr. Taylor is President and a director of Princeton Research Associates. Dr. Taylor disclaims beneficial ownership of the shares held by Princeton Research Associates, Inc. except to the extent of his pecuniary interest therein. |
(4) |
Exercisable in full on the date of grant. |
(5) |
Exercisable in five equal annual installments beginning one year after date of grant. |
(6) |
Reflects a one-for-ten reverse stock split, which became effective on April 20, 2007 pursuant to which (i) the number of shares of common stock underlying the options were divided by ten and (ii) the exercise price of the option was multiplied by ten. |