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Stock-Based Compensation (Tables)
6 Months Ended
Jan. 27, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
Stock option activity under the 2011 Plan, 2017 Plan, and 2019 Plan was as follows:
 Options Outstanding
Number of
Options
Weighted-
Average
Exercise
Price
Weighted-
Average
Remaining
Contractual
Life (in years)
Aggregate
Intrinsic
Value
(in thousands)
Balance at July 29, 2023
8,106,110 $7.06 8.78$4,770 
Granted2,450,951 4.00 
Exercised— — 
Cancelled(545,451)10.18 
Balance at January 27, 2024
10,011,610 $6.14 8.67$13 
Schedule of Unvested Restricted Stock Units Activity
RSU award activity under the 2017 Plan and 2019 Plan was as follows:
Unvested RSUs
 Class A Common StockWeighted-
Average
Grant Date
Fair Value
Unvested at July 29, 2023
11,455,577 $10.47 
Granted12,073,155 3.27 
Vested(4,549,301)7.07 
Forfeited(3,790,619)8.38 
Unvested at January 27, 2024
15,188,812 $6.29 
Schedule of Black - Scholes Option - Pricing Model Assumptions Used in Estimating Fair Value of Stock Options The fair value of stock options granted to employees was estimated at the grant date using the Black-Scholes option-pricing model with the following assumptions:
 For the Three Months EndedFor the Six Months Ended
 January 27, 2024January 28, 2023January 27, 2024January 28, 2023
Expected term (in years)
4 - 5.5
3.2 - 5.5
4 - 5.5
3.2 - 5.5
Volatility
77.3% - 78.0%
87.3 %
77.3% - 78.0%
87.3 %
Risk free interest rate
4.8%
4.2% - 4.4%
4.8%
4.2% - 4.4%
Dividend yield— %— %— %— %