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
(2)
|
12/15/2014 |
Common Stock
|
24,924
|
$
0.638
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(3)
|
10/20/2015 |
Common Stock
|
30,000
|
$
5.33
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
02/28/2016 |
Common Stock
|
2,667
|
$
5.33
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(5)
|
04/25/2017 |
Common Stock
|
16,667
|
$
13.43
|
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) |
These shares are held by the David Palling Irrevocable Trust. Mr. Palling disclaims beneficial ownership of the shares held by the David Palling Irrevocable Trust except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the shares for the purposes of section 16 or for any other purpose. |
(2) |
These options vest and become exercisable in a series of installments. The first installment, which consisted of 25% of the total aggregate number of options granted, vested on July 1, 2005. The remaining options vest and become exercisable in a series of thirty-five successive equal monthly installments of 1,010 shares, beginning on August 1, 2005, with a final installment of 991 shares vesting on July 1, 2008. |
(3) |
These options vest and become exercisable in a series of installments. The first installment, which consisted of 25% of the total aggregate number of options granted, vested on October 20, 2006. The remaining options vest and become exercisable in a series of thirty-five successive equal monthly installments of 626 shares, beginning on November 1, 2006, with a final installment of 590 shares vesting on October 1, 2009. |
(4) |
These options vest and become exercisable in a series of installments. The first installment, which consisted of 25% of the total aggregate number of options granted, vested on January 2, 2007. The remaining options vest and become exercisable in a series of thirty-five successive equal monthly installments of 56 shares, beginning on February 1, 2007 with a final installment of 40 shares vesting on January 1, 2010. |
(5) |
These options vest and become exercisable in a series of installments. The first installment, which consists of 25% of the total aggregate number of options granted, will vest on April 25, 2008. The remaining options vest and become exercisable in a series of thirty-five successive equal monthly installments of 348 shares, beginning on May 1, 2008, with a final installment of 320 shares vesting on April 1, 2011. |