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)
|
06/16/2021 |
Common Stock
|
195,289
|
$
1.31
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(2)
|
12/08/2021 |
Common Stock
|
67,277
|
$
1.31
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(3)
|
02/07/2023 |
Common Stock
|
61,161
|
$
1.48
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
12/19/2023 |
Common Stock
|
244,648
|
$
1.23
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(5)
|
06/23/2024 |
Common Stock
|
79,510
|
$
8.92
|
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) |
One quarter of the shares underlying the option vested on May 1, 2012, and the remainder of the shares vest at a rate of 1/36th per month thereafter. |
(2) |
One quarter of the shares underlying the option vested on December 8, 2012, and the remainder of the shares vest at a rate of 1/36th per month thereafter. |
(3) |
One quarter of the shares underlying the option vested on January 1, 2014, and the remainder of the shares vest at a rate of 1/36th per month thereafter. |
(4) |
One quarter of the shares underlying the option will vest on December 19, 2014, and the remainder of the shares vest at a rate of 1/36th per month thereafter. |
(5) |
One quarter of the shares underlying the option will vest on June 23, 2015, and the remainder of the shares vest at a rate of 1/36th per month thereafter. |