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
(1)
|
07/01/2012 |
Common Stock
|
474
|
$
4.75
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(1)
|
08/01/2012 |
Common Stock
|
15,000
|
$
4.75
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(1)
|
07/01/2013 |
Common Stock
|
516
|
$
4.75
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(1)
|
12/01/2013 |
Common Stock
|
1,060
|
$
4.75
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(1)
|
09/15/2019 |
Common Stock
|
43,330
|
$
5.19
|
I
|
By Spouse
|
Employee Stock Option (right to buy)
|
Â
(2)
|
11/04/2019 |
Common Stock
|
5,000
|
$
5.19
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(1)
|
06/30/2020 |
Common Stock
|
20,000
|
$
6.92
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(3)
|
10/18/2020 |
Common Stock
|
2,500
|
$
6.92
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(1)
|
02/01/2021 |
Common Stock
|
2,133
|
$
7.09
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
02/01/2021 |
Common Stock
|
11,067
|
$
7.09
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(5)
|
06/28/2021 |
Common Stock
|
7,500
|
$
11.58
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(6)
|
07/14/2021 |
Common Stock
|
2,500
|
$
13.31
|
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) |
All options to purchase shares of common stock are currently exercisable. |
(2) |
The option vests over four years, with 25% vesting on November 4, 2010 and the remainder vesting over three years thereafter in monthly installments. |
(3) |
The option vests over four years, with 25% vesting on August 4, 2011 and the remainder vesting over three years thereafter in monthly installments. |
(4) |
The option vests over four years, with 25% vesting on February 1, 2012 and the remainder vesting over three years thereafter in monthly installments. |
(5) |
The option vests over four years, with 25% vesting on June 28, 2012 and the remainder vesting over three years thereafter in monthly installments. |
(6) |
The option vests over four years, with 25% vesting on July 14, 2012 and the remainder vesting over three years thereafter in monthly installments. |