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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY Statement - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Income | Accumulated Deficit
--- | --- | --- | --- | --- | ---
Stockholders' equity, beginning balance (in shares) at Jul. 31, 2019 |  | 188,595,000 |  |  |
Stockholders' equity, beginning balance at Jul. 31, 2019 | $ 186,893 | $ 5 | $ 1,835,528 | $ 669 | $ (1,649,309)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Issuance of common stock through employee equity incentive plans, net of repurchases (in shares) |  | 2,620,000 |  |  |
Issuance of common stock through employee equity incentive plans | 2,608 |  | 2,608 |  |
Issuance of common stock from ESPP purchase (in shares) |  | 959,000 |  |  |
Issuance of common stock from ESPP purchase | 21,337 |  | 21,337 |  |
Stock-based compensation | 81,426 |  | 81,426 |  |
Other comprehensive income (loss) | 565 |  |  | 565 |
Net loss | (229,300) |  |  |  | (229,300)
Stockholders' equity, ending balance (in shares) at Oct. 31, 2019 |  | 192,174,000 |  |  |
Stockholders' equity, ending balance at Oct. 31, 2019 | $ 63,529 | $ 5 | 1,940,899 | 1,234 | (1,878,609)
Stockholders' equity, beginning balance (in shares) at Jul. 31, 2020 | 201,949,000 | 201,949,000 |  |  |
Stockholders' equity, beginning balance at Jul. 31, 2020 | $ (274,977) | $ 5 | 2,245,180 | 2,030 | (2,522,192)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Issuance of common stock through employee equity incentive plans, net of repurchases (in shares) |  | 3,117,000 |  |  |
Issuance of common stock through employee equity incentive plans | 1,631 |  | 1,631 |  |
Issuance of common stock from ESPP purchase (in shares) |  | 1,456,000 |  |  |
Issuance of common stock from ESPP purchase | $ 18,070 |  | 18,070 |  |
Repurchase and retirement of common stock (in shares) | (5,200,000) | (5,176,000) |  |  |
Repurchase and retirement of common stock | $ (125,079) |  | (54,176) |  | (70,903)
Stock-based compensation | 89,198 |  | 89,198 |  |
Other comprehensive income (loss) | (1,150) |  |  | (1,150) |
Net loss | $ (265,048) |  |  |  | (265,048)
Stockholders' equity, ending balance (in shares) at Oct. 31, 2020 | 201,346,000 | 201,346,000 |  |  |
Stockholders' equity, ending balance at Oct. 31, 2020 | $ (557,355) | $ 5 | $ 2,299,903 | $ 880 | $ (2,858,143)

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