The difference between GAAP and non-GAAP gross margin was 0.6% and 0.5%, or $0.347 million and $0.262 million, for the three months ending January 31, 2021 and 2020, respectively. The difference between GAAP and non-GAAP gross margin was 0.6% and 0.5%, or $1.3 million and $1.2 million, for the fiscal years ending January 31, 2021 and 2020, respectively. The differences were due to the effect of stock-based compensation.
| AMBARELLA, INC. | |||||||||||||||
| RECONCILIATION OF GAAP TO NON-GAAP DILUTED EARNINGS (LOSSES) PER SHARE | |||||||||||||||
| (in thousands, except share and per share data) | |||||||||||||||
| Three Months Ended January 31, | Twelve Months Ended January 31, | ||||||||||||||
| 2021 | 2020 | 2021 | 2020 | ||||||||||||
| (unaudited) | |||||||||||||||
| GAAP net loss | $ | (12,489 | ) | $ | (12,981 | ) | $ | (59,786 | ) | $ | (44,792 | ) | |||
| Non-GAAP adjustments: | |||||||||||||||
| Stock-based compensation expense | 18,727 | 16,903 | 70,134 | 66,871 | |||||||||||
| Income tax effect | (1,092 | ) | 942 | 1,513 | 1,576 | ||||||||||
| Non-GAAP net income | $ | 5,146 | $ | 4,864 | $ | 11,861 | $ | 23,655 | |||||||
| GAAP - diluted weighted average shares | 35,338,351 | 33,677,059 | 34,679,717 | 33,083,562 | |||||||||||
| Non-GAAP - diluted weighted average shares | 37,569,396 | 35,094,270 | 35,994,296 | 34,313,148 | |||||||||||
| GAAP - diluted net loss per share | $ | (0.35 | ) | $ | (0.39 | ) | $ | (1.72 | ) | $ | (1.35 | ) | |||
| Non-GAAP adjustments: | |||||||||||||||
| Stock-based compensation expense | 0.53 | 0.50 | 2.02 | 2.02 | |||||||||||
| Income tax effect | (0.03 | ) | 0.03 | 0.04 | 0.05 | ||||||||||
| Effect of Non-GAAP - diluted weighted average shares | (0.01 | ) | — | (0.01 | ) | (0.03 | ) | ||||||||
| Non-GAAP - diluted net income per share | $ | 0.14 | $ | 0.14 | $ | 0.33 | $ | 0.69 | |||||||
