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Stock-Based Compensation (Tables)

6 Months Ended

Jan. 28, 2023

Share-Based Payment Arrangement [Abstract]

Summary of Stock Option Activity

Stock option activity under the 2011 Plan, 2017 Plan, and 2019 Plan is as follows:

												Options Outstanding
												Number of Options						Weighted- Average Exercise Price						Weighted- Average Remaining Contractual Life (in Years)						Aggregate Intrinsic Value (in thousands)
Balance – July 30, 2022												4,703,564						$	21.07					7.58						$	638
Granted												1,486,774						3.79
Exercised												(117,607)						1.31
Cancelled												(871,361)						26.93
Balance – January 28, 2023												5,201,370						$	15.59					7.84						$	1,738

Schedule of Unvested Restricted Stock Units Activity

The following table summarizes the RSU award activity under the 2017 Plan and 2019 Plan:

			Unvested RSUs
			Class A Common Stock						Weighted- Average Grant Date Fair Value
Unvested at July 30, 2022			19,217,622						$	16.09
Granted			3,038,609						4.00
Vested			(3,099,038)						14.25
Forfeited			(5,411,847)						15.36
Unvested at January 28, 2023			13,745,346						$	14.12

Summary 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 Ended												For the Six Months Ended
			January 28, 2023						January 29, 2022						January 28, 2023						January 29, 2022
Expected term (in years)			3.2 - 5.5						3.2 - 5.5						3.2 - 5.5						3.2 - 5.5
Volatility			87.3%						62.1%						87.3%						62.1%
Risk free interest rate			4.2% - 4.4%						0.8% - 1.3%						4.2% -4.4%						0.8% - 1.3%
Dividend yield			—		%				—		%				—		%				—		%

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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-Publisher FASB
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-Section 50
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Tabular disclosure of the change in restricted stock units (RSUs).

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