Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Equity (Tables)

v3.20.4
Equity (Tables)
12 Months Ended
Dec. 31, 2020
Stockholders' Equity Note [Abstract]  
Summary of RSUs and PSUs Activity
  Number of Options Weighted Average Exercise Price
Options outstanding as of December 31, 2019   1,961,532   $ 31.16  
Granted   440,000     17.55  
Exercised   (11,184   17.15  
Forfeited   (287,819   33.55  
Options outstanding as of December 31, 2020   2,102,529   $ 28.06  
Options exercisable as of December 31, 2020   1,691,217   $ 30.64  

 

Schedule of Stock Options Outstanding
        Options Outstanding   Options Exercisable  
        Outstanding   Weighted- Average       Exercisable    
        options at   Remaining   Weighted- Average   options at   Weighted- Average
Range of   December 31,   Contractual   Exercise   December 31,   Exercise
Exercise Prices   2020   Life in Years   Price   2020   Price
$ 2.74   - $ 19.61       411,295       8.99     $ 17.23       62,959     $ 19.32  
$ 19.66   - $ 19.66       651,452       6.04       19.66       608,026       19.66  
$ 19.96   - $ 23.41       543,156       6.25       21.84       524,669       21.85  
$ 24.66   - $ 120.51       496,626       3.62       54.81       495,563       54.87  
          2,102,529       6.10     $ 28.06       1,691,217     $ 30.64  
                         
Aggregate intrinsic value (U.S. $ in thousands)   $ 2,213             $ 820      
Schedule of Stock Option Assumptions
    2020 2018
Risk-free interest rate   0.4%-1.8% 2.9%-3.1%
Expected option term (years)   5.0-5.1 5.3-5.5
Expected share price volatility   52.5%-52.8% 52.0%-52.2%
Dividend yield   - -
Weighted average grant date fair value   $8.09 $11.49
Summary of RSUs and PSUs Activity
    Number of RSUs and PSUs   Weighted Average Grant Date Fair Value
Unvested RSUs and PSUs outstanding as of December 31, 2019     2,362,991     $ 24.10  
Granted     1,671,436       17.90  
Vested     (677,249     23.19  
Forfeited     (556,062     21.80  
Unvested RSUs and PSUs outstanding as of December 31, 2020     2,801,116     $ 21.08  
Schedule of stock-based compensation expense
    2020   2019   2018
    (U.S. $ in thousands)
             
Cost of revenues   $ 1,771     $ 1,848     $ 1,474  
Research and development, net     6,102       5,167       3,215  
Selling, general and administrative     12,331       13,549       10,997  
Total stock-based compensation expenses   $ 20,204     $ 20,564     $ 15,686  
Schedule of accumulated other comprehensive loss
    Year ended December 31, 2020
    Net unrealized gain (loss) on cash flow hedges     Foreign currency translation adjustments     Total
    U.S. $ in thousands
                 
Balance as of January 1, 2020   $ (10     $ (7,706     $ (7,716
Other comprehensive loss before reclassifications     (1,024       533         (490
Amounts reclassified from accumulated other comprehensive loss     (639       -         (639
Other comprehensive income (loss)     (1,663       533         (1,130
Balance as of December 31, 2020   $ (1,673     $ (7,173     $ (8,846
    Year ended December 31, 2019
    Net unrealized gain (loss) on cash flow hedges     Foreign currency translation adjustments     Total
    U.S. $ in thousands
Balance as of January 1, 2019   $ (627     $ (7,126     $ (7,753
Other comprehensive loss before reclassifications     1,548         (580       968  
Amounts reclassified from accumulated other comprehensive loss     (931       0         (931
Other comprehensive income (loss)     617       $ (580       37  
Balance as of December 31, 2019   $ (10       (7,706     $ (7,716
 
    Year ended December 31, 2018
    Net unrealized gain (loss) on cash flow hedges     Foreign currency translation adjustments     Total
    U.S. $ in thousands
Balance as of January 1, 2018   $ 330       $ (7,353     $ (7,023
Other comprehensive loss before reclassifications     (1,814       (2,691       (4,505
Amounts reclassified from accumulated other comprehensive loss     857         2,918         3,775  
Other comprehensive income (loss)     (957       227         (730
Balance as of December 31, 2018   $ (627     $ (7,126     $ (7,753