| Three Months Ended January 31, | Twelve Months Ended January 31, | ||||||||||||||
| 2022 | 2021 | 2022 | 2021 | ||||||||||||
| (unaudited, in thousands) | |||||||||||||||
| Acquisition-related costs: | |||||||||||||||
| Cost of revenue | $ | 757 | $ | — | $ | 903 | $ | — | |||||||
| Research and development | 1 | — | 8 | — | |||||||||||
| Selling, general and administrative | 2,220 | — | 3,821 | — | |||||||||||
| Total acquisition-related costs | $ | 2,978 | $ | — | $ | 4,732 | $ | — | |||||||
Ambarella, Inc. Announces Fourth Quarter and Fiscal Year 2022 Financial Results
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