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 |
Stock options (right to buy)
|
Â
(1)
|
02/13/2022 |
Common stock
|
25,000
|
$
6.45
|
D
|
Â
|
Stock options (right to buy)
|
Â
(2)
|
06/04/2022 |
Common stock
|
12,500
|
$
4.38
|
D
|
Â
|
Stock options (right to buy)
|
Â
(3)
|
01/28/2023 |
Common stock
|
13,750
|
$
3.53
|
D
|
Â
|
Stock options (right to buy)
|
Â
(4)
|
06/18/2023 |
Common stock
|
13,750
|
$
2.52
|
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 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, vests on February 13, 2013. The remaining options vest and become exercisable in a series of thirty-five successive equal monthly installments, beginning on March 1, 2013, with the final installment vesting on February 1, 2016. |
(2) |
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, vests on June 4, 2013. The remaining options vest and become exercisable in a series of thirty-five successive equal monthly installments, beginning on July 1, 2013, with the final installment vesting on June 1, 2016. |
(3) |
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, vests on January 28, 2014. The remaining options vest and become exercisable in a series of thirty-five successive equal monthly installments, beginning on February 1, 2014, with the final installment vesting on January 1, 2017. |
(4) |
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, vests on June 18, 2014. The remaining options vest and become exercisable in a series of thirty-five successive equal monthly installments, beginning on July 1, 2014, with the final installment vesting on June 1, 2017. |