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 |
Option to Purchase Common Stock
|
Â
(1)
|
02/23/2020 |
Common Stock
|
9,830
|
$
3.02
|
D
|
Â
|
Option to Purchase Common Stock
|
Â
(1)
|
03/09/2021 |
Common Stock
|
8,794
|
$
7.31
|
D
|
Â
|
Option to Purchase Common Stock
|
Â
(2)
|
02/12/2023 |
Common Stock
|
15,000
|
$
37.26
|
D
|
Â
|
Option to Purchase Common Stock
|
Â
(3)
|
02/28/2021 |
Common Stock
|
15,198
|
$
51.67
|
D
|
Â
|
Option to Purchase Common Stock
|
Â
(4)
|
02/12/2022 |
Common Stock
|
17,654
|
$
47.39
|
D
|
Â
|
Option to Purchase Common Stock
|
Â
(5)
|
02/23/2023 |
Common Stock
|
14,344
|
$
44.35
|
D
|
Â
|
Option to Purchase Common Stock
|
Â
(6)
|
02/16/2024 |
Common Stock
|
10,421
|
$
54.95
|
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) |
The option has previously vested based on time and performance criteria. |
(2) |
The option has previously vested based on time criteria. |
(3) |
The option vests in four equal annual installments that began on 2/28/2015. |
(4) |
The option vests in four equal annual installments that began on 02/12/2016. |
(5) |
The option vests in four equal annual installments that began on 02/23/2017. |
(6) |
The option vests in four equal annual installments that begin on 02/16/2018. |