Stock-Based Compensation | Note 12. Stock-Based Compensation During the 13-week periods ended March 27, 2022 and March 28, 2021, the Company recognized stock-based compensation expense of $1,296 and $853, respectively. The Company measures compensation expense for all stock-based awards based on the estimated fair values on the date of the grant. As of March 27, 2022, total unrecognized stock-based compensation expense related to unvested stock options and RSUs was $15,487, which is expected to be recognized over a weighted-average period of 2.6 years. Stock Option Activity The following table summarizes the Company’s stock option activity since December 26, 2021: Number of Options Weighted- Average Exercise Price Weighted- Average Remaining Contractual Term (Years) Aggregate Intrinsic Value Outstanding as of December 26, 2021 4,927,033 $ 9.25 6.5 $ 48,222 Granted 126,197 $ 13.08 Exercised (102,328 ) $ 2.48 $ 1,151 Cancelled (59,845 ) $ 12.15 Outstanding as of March 27, 2022 4,891,057 $ 9.45 6.4 $ 30,670 Options exercisable as of March 27, 2022 2,646,322 $ 5.60 5.0 $ 22,429 Options vested and expected to vest as of March 27, 2022 4,884,445 $ 9.46 6.4 $ 30,610 The fair value of shares vested during the 13-week periods ended March 27, 2022 and March 28, 2021 was $959 and $304, respectively. R estricted Stock Unit Activity The following table summarizes the Company’s restricted stock unit (“RSU”) activity since December 26, 2021: Number of RSUs Weighted- Average Exercise Price Unvested as of December 26, 2021 107,867 $ 27.53 Granted 432,373 12.82 Vested (11,204 ) 25.68 Forfeited (4,290 ) 15.10 Unvested as of March 27, 2022 524,746 $ 15.55 2020 Equity Incentive Plan: In July 2020, the Company’s board of directors adopted its 2020 Equity Incentive Plan (“2020 Incentive Plan”), which was subsequently approved by its stockholders and became effective on July 30, 2020. Initially, the maximum number of the Company’s common stock that may be issued under the 2020 Incentive Plan was 8,595,871 shares. The 2020 Incentive Plan provides that the number of shares reserved and available for issuance under the 2020 Incentive Plan will automatically increase each January 1, beginning on January 1, 2021 and ending on (and including) January 1, 2030, by an amount equal to 4% of the outstanding number of shares of common stock on the immediately preceding December 31 or such lesser number of shares as determined by the Company’s board of directors. As of March 27, 2022, 9,786,813 shares were available for future grants of the Company’s common stock, which includes 1,619,758 shares of stock that were automatically added to the available reserve of January 1, 2022. Awards issued under the 2020 Incentive Plan generally have a three-year ratable vesting period beginning on the date of grant. Employee Stock Purchase Plan: In July 2020, the Company’s board of directors adopted the 2020 Employee Stock Purchase Plan (“2020 ESPP”), which was subsequently approved by the Company’s stockholders and became effective on July 30, 2020. The 2020 ESPP authorizes the initial issuance of up to 900,000 shares of the Company’s common stock to eligible employees of the Company or, as designated by the Company’s board of directors, employees of a related company. The 2020 ESPP provides that the number of shares reserved and available for issuance under the 2020 ESPP will automatically increase each January 1, beginning on January 1, 2021 and ending on (and including) January 1, 2030, by an amount equal to the lesser of (i) 1% of the outstanding number of shares of common stock on the immediately preceding December 31 and (ii) 900,000, or such lesser number of shares as determined by the Company’s board of directors. As of March 27, 2022, 1,699,379 shares of the Company’s common stock were available for future issuance, which includes 404,939 shares of common stock that were automatically added to the available reserve on January 1, 2022. The Company’s board of directors may periodically grant or provide for the grant to eligible employees of options to purchase common stock under the 2020 ESPP during a specific offering period. In November 2021, the Compensation Committee of the Board of Directors approved an initial offering of common stock under the 2020 ESPP to eligible employees, which commenced March 1, 2022. |