A summary of the Company’s stock option activity, and related information for the years ended December 31, 2017 follows:
| 2017 | 2016 | 2015 | ||||||||||||||||||||||
| Number of options |
Weighted average exercise price |
Number of options |
Weighted average exercise price |
Number of options |
Weighted average exercise price |
|||||||||||||||||||
| (weighted average exercise price in €) | ||||||||||||||||||||||||
|
Outstanding-beginning of year |
510,837 | 235.86 | 10,043,037 | 16.14 | 10,696,143 | 19.31 | ||||||||||||||||||
|
Granted |
— | — | 6,658,848 | 0.68 | 1,769,890 | 6.01 | ||||||||||||||||||
| Adjustments followings the reverse split | — | — | (16,004,834 | ) | 235.79 | — | — | |||||||||||||||||
| Adjustments followings the capital increase | — | — | 1,976,021 | 13.48 | — | — | ||||||||||||||||||
|
Exercised |
— | — | — | — | — | — | ||||||||||||||||||
|
Forfeited |
(86,454 | ) | 216.91 | (2,162,235 | ) | 274.26 | (2,422,996 | ) | 22.75 | |||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||
|
Outstanding-end of year |
424,383 | 239.72 | 510,837 | 235.86 | 10,043,037 | 16.14 | ||||||||||||||||||
|
Exercisable-end of year |
205,418 | 443.16 | 209,618 | 450.25 | 6,018,303 | 20.11 | ||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||