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Stock-Based Compensation and Warrant Units (Tables)
12 Months Ended
Sep. 24, 2022
Share-Based Payment Arrangement [Abstract]  
Summary of Total Stock-Based Compensation
The following table summarizes the components of total stock-based compensation included in the Company’s consolidated statements of operations for the year ended September 24, 2022 (in thousands):
 
    
September 24,
2022
 
Research and development
     9,671  
Selling, general, and administrative
     17,187  
  
 
 
 
Total stock-based compensation expense
   $ 26,858  
  
 
 
 
Summary of Restricted Stock Unit Activity
The following table summarizes the different types of RSUs granted by the Company during the year ended September 24, 2022:
 
    
September 24,
2022
 
RSUs (service-based vesting conditions)
     13,784,743  
RSUs (performance-based vesting conditions)
     578,453  
  
 
 
 
Total
     14,363,196  
  
 
 
 
 
The following table summarizes the RSU activity for the year ended September 24, 2022:
 
    
Shares
    
Weighted
Average
Grant
Date Fair
Value
 
Outstanding at September 26, 2021
     —        $ —    
Granted
     14,363,196        15.81  
Vested
     (1,831,505      15.81  
Forfeited
     (166,104      15.81  
  
 
 
    
 
 
 
Outstanding at September 24, 2022
     12,365,587      $ 15.81  
  
 
 
    
 
 
 
Summary of Units Outstanding and Vested
The following is a summary of Class C Units outstanding and vested immediately prior to the consummation of the Business Combination:
 
    
Class C

Units
 
Balance at September 28, 2019
     428,571  
Granted
     42,587  
Redeemed
     —    
Forfeited
     (42,587
  
 
 
 
Balance at September 26, 2020
     428,571  
Granted
     51,543  
Redeemed
     —    
Forfeited
     (51,543
  
 
 
 
Balance at September 25, 2021
     428,571  
Granted
     18,107  
Redeemed
     —    
Forfeited
     (18,107
  
 
 
 
Balance at June 7, 2022
     428,571  
  
 
 
 
Vested at June 7, 2022
     375,930  
The following is a summary of VAP Units outstanding which were converted to restricted stock units in the fourth quarter of fiscal year 2022:
 
    
VAP Units
 
Balance at September 28, 2019
     5,053,182  
Granted
     —    
Exercised
     —    
Forfeited
     (663,925
  
 
 
 
Balance at September 26, 2020
     4,389,257  
Granted
     —    
Exercised
     —    
Forfeited
     (349,637
  
 
 
 
Balance at September 25, 2021
     4,039,620  
Granted
     —    
Exercised
     (255,845
Forfeited
     (92,664
  
 
 
 
Balance at August 16, 2022
     3,691,111  
Converted to restricted stock units
     (3,691,111
  
 
 
 
Balance at September 24, 2022
     —    
  
 
 
 
Summary of Class C Units, Valuation Assumptions
The fair value of each Class C Unit grant was estimated on the date of the award using a Black-Scholes option pricing model with the following assumptions:
 
          
Year Ended
 
    
June 7,
2022
   
September 25,
2021
   
September 26,
2020
 
Dividend yield
     0     0     0
Volatility
(a)
     45.0     40.0     50.0
Risk-free interest rate
(b)
     2.30     0.29     0.12
Expected term (years)
(c)
     2.00       2.00       1.25  
 
   
The expected volatility is estimated based on the historical volatility of a select peer group of similar publicly traded companies for a term that is consistent with the expected term of the Class C Units.
 
   
The risk-free interest rate is based on the U.S. Treasury constant maturity interest rate whose term is consistent with the expected term of the Class C Units.
 
   
The expected term is based on estimated liquidity event timing as further described above.
Summary of Warrants The assumptions made for purposes of estimating fair value under the Black-Scholes pricing model for the Warrants were as follows:
    
Selected
Assumption
 
Dividend yield
     0
Volatility(a)
     43.0
Risk-free interest rate
(b)
     1.65
Expected term (years)
(c)
     10.00  
 
   
The expected volatility is estimated based on the historical volatility of a select peer group of similar publicly traded companies for a term that is consistent with the expected term of the Warrants.
 
   
The risk-free interest rate is based on the U.S. Treasury constant maturity interest rate whose term is consistent with the expected term of the Warrants.
 
   
The expected term is based on the contractual term of the Warrants.
The assumptions made for purposes of estimating fair value under the Black-Scholes pricing model for the June 2022 Warrant were as follows:
    
Selected
Assumption
 
Dividend yield
     0
Volatility (a)
     40.0
Risk-free interest rate
(b)
     2.80
Expected term (years)
(c)
     5.00  
 
   
The expected volatility is estimated based on the historical volatility of a select peer group of similar publicly traded companies for a term that is consistent with the expected term of the June 2022 Warrant.
 
   
The risk-free interest rate is based on the U.S. Treasury constant maturity interest rate whose term is consistent with the expected term of the June 2022 Warrant.
 
   
The expected term is based on the contractual term of the June 2022 Warrant.
The following table summarizes stock warrant activity for the year ended September 24, 2022:
 
    
Warrant Units
 
Outstanding and nonvested at September 26, 2020
     —    
Granted
     714,022  
Vested
     (446,741
  
 
 
 
Outstanding and nonvested at September 25, 2021
     267,281  
Granted
     258,972  
Vested
     (267,281
  
 
 
 
Outstanding and nonvested at September 24, 2022
     258,972