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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Class A and Class B Common Stock | Additional Paid-In Capital | Treasury Stock | Accumulated Other Comprehensive (Loss) Income | Accumulated Deficit | [1] | Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment | [1]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance, Beginning at Jan. 31, 2018 | $ 14,968 |  | $ 39,802 | $ 13 | $ 1,054,932 | $ (1,177) | $ 288 | $ (1,039,088) | $ 39,802
Balance, Beginning, Shares at Jan. 31, 2018 |  |  |  | 137,317,000 |  |  |  |  |
Issuance of common stock upon stock option exercises | 16,326 |  |  |  | 16,326 |  |  |  |
Issuance of common stock upon stock option exercises (in shares) |  |  |  | 1,980,000 |  |  |  |  |
Issuance of common stock in connection with acquisitions | 1,053 |  |  |  | 1,053 |  |  |  |
Issuance of common stock in connection with acquisitions (in shares) |  |  |  | 40,000 |  |  |  |  |
Issuance of common stock in connection with charitable donations | 243 |  |  |  | 243 |  |  |  |
Issuance of common stock in connection with charitable donations (in shares) |  |  |  | 12,000 |  |  |  |  |
Stock-based compensation related to stock awards | 115,852 |  |  |  | 115,852 |  |  |  |
Vesting of restricted stock units, net of shares withheld for employee payroll taxes | 1 |  |  | $ 1 |  |  |  |  |
Vesting of restricted stock units, net of shares withheld for employee payroll taxes (in shares) |  |  |  | 3,345,000 |  |  |  |  |
Employee payroll taxes withheld related to vesting of restricted stock units | $ (43,824) |  |  |  | (43,824) |  |  |  |
Accounting Standards Update [Extensible List] | us-gaap:AccountingStandardsUpdate201409Member |  |  |  |  |  |  |  |
Common stock issued under employee stock purchase plan | $ 21,861 |  |  |  | 21,861 |  |  |  |
Common stock issued under employee stock purchase plan (in shares) |  |  |  | 1,617,000 |  |  |  |  |
Other comprehensive loss | (265) | [2] |  |  |  |  | (265) |  |
Net loss | (134,612) | [2] |  |  |  |  |  | (134,612) |
Balance, Ending at Jan. 31, 2019 | 31,405 |  |  | $ 14 | 1,166,443 | (1,177) | 23 | (1,133,898) |
Balance, Ending, Shares at Jan. 31, 2019 |  |  |  | 144,311,000 |  |  |  |  |
Issuance of common stock upon stock option exercises | $ 5,965 |  |  |  | 5,965 |  |  |  |
Issuance of common stock upon stock option exercises (in shares) | 659,348 |  |  | 659,000 |  |  |  |  |
Stock-based compensation related to stock awards | $ 149,567 |  |  |  | 149,567 |  |  |  |
Vesting of restricted stock units, net of shares withheld for employee payroll taxes | 1 |  |  | $ 1 |  |  |  |  |
Vesting of restricted stock units, net of shares withheld for employee payroll taxes (in shares) |  |  |  | 4,167,000 |  |  |  |  |
Employee payroll taxes withheld related to vesting of restricted stock units | (43,328) |  |  |  | (43,328) |  |  |  |
Common stock issued under employee stock purchase plan | 23,425 |  |  |  | 23,425 |  |  |  |
Common stock issued under employee stock purchase plan (in shares) |  |  |  | 1,474,000 |  |  |  |  |
Other comprehensive loss | (330) |  |  |  |  |  | (330) |  |
Net loss | (144,348) |  |  |  |  |  |  | (144,348) |
Balance, Ending at Jan. 31, 2020 | 22,357 |  |  | $ 15 | 1,302,072 | (1,177) | (307) | (1,278,246) |
Balance, Ending, Shares at Jan. 31, 2020 |  |  |  | 150,611,000 |  |  |  |  |
Issuance of common stock upon stock option exercises | $ 10,261 |  |  |  | 10,261 |  |  |  |
Issuance of common stock upon stock option exercises (in shares) | 1,994,667 |  |  | 1,995,000 |  |  |  |  |
Stock-based compensation related to stock awards | $ 151,873 |  |  |  | 151,873 |  |  |  |
Vesting of restricted stock units, net of shares withheld for employee payroll taxes | 1 |  |  | $ 1 |  |  |  |  |
Vesting of restricted stock units, net of shares withheld for employee payroll taxes (in shares) |  |  |  | 5,100,000 |  |  |  |  |
Employee payroll taxes withheld related to vesting of restricted stock units | (48,761) |  |  |  | (48,761) |  |  |  |
Common stock issued under employee stock purchase plan | 18,595 |  |  |  | 18,595 |  |  |  |
Common stock issued under employee stock purchase plan (in shares) |  |  |  | 2,145,000 |  |  |  |  |
Equity component of convertible senior notes, net of issuance costs | 68,576 |  |  |  | 68,576 |  |  |  |
Purchase of capped calls related to convertible senior notes | (27,773) |  |  |  | (27,773) |  |  |  |
Other comprehensive loss | (631) |  |  |  |  |  | (631) |  |
Net loss | (43,433) |  |  |  |  |  |  | (43,433) |
Balance, Ending at Jan. 31, 2021 | $ 151,065 |  |  | $ 16 | $ 1,474,843 | $ (1,177) | $ (938) | $ (1,321,679) |
Balance, Ending, Shares at Jan. 31, 2021 |  |  |  | 159,851,000 |  |  |  |  |
[1] | We adopted ASC Topic 842, effective February 1, 2019, utilizing the modified retrospective method. The reported results for fiscal year 2020 onwards reflect the application of ASC 842 while the reported results for fiscal years presented prior to adoption are not adjusted and continue to be reported under ASC Topic 840.
[2] | As reported and disclosed under ASC Topic 840

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