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 Option (Right to Buy)
|
Â
(1)
|
03/29/2021 |
Common Stock
|
128,356
|
$
1.265
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(2)
|
04/30/2022 |
Common Stock
|
81,484
|
$
1.38
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(3)
|
01/22/2023 |
Common Stock
|
98,324
|
$
1.61
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(4)
|
07/14/2023 |
Common Stock
|
96,618
|
$
1.61
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(5)
|
12/04/2023 |
Common Stock
|
66,456
|
$
2.53
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(5)
|
12/04/2023 |
Common Stock
|
51,732
|
$
2.53
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(6)
|
02/18/2024 |
Common Stock
|
179,709
|
$
8.165
|
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) |
25% of the shares subject to the option become exercisable one year from 3/30/2011; the remainder become exercisable in equal monthly installments over the following three years. |
(2) |
25% of the shares subject to the option become exercisable one year from 5/1/2012; the remainder become exercisable in equal monthly installments over the following three years. |
(3) |
25% of the shares subject to the option become exercisable one year from 1/23/2013; the remainder become exercisable in equal monthly installments over the following three years. |
(4) |
25% of the shares subject to the option become exercisable one year from 7/15/2013; the remainder become exercisable in equal monthly installments over the following three years. |
(5) |
25% of the shares subject to the option become exercisable one year from 12/5/2013; the remainder become exercisable in equal monthly installments over the following three years. |
(6) |
25% of the shares subject to the option become exercisable one year from 2/14/2014; the remainder become exercisable in equal monthly installments over the following three years. |