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Common Stock and Stock-Based Compensation | 12 Months Ended
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Mar. 25, 2022
Share-based Payment Arrangement [Abstract] |
Common Stock and Stock-Based Compensation | Common Stock and Stock-Based Compensation On November 2, 2020, the Company closed its IPO of 28,750,000 shares of its common stock at an offering price of $14.00 per share, of which 25,000,000 shares were sold by the Company and 3,750,000 shares were sold by selling stockholders, resulting in net proceeds to the Company of approximately $321,425, after deducting $20,125 of underwriting discounts and $8,450 of estimated offering costs. The Company’s common stock is now listed on the Nasdaq Global Select Market under the ticker symbol “ALGM.” Prior to the IPO, the Company had two classes of common stock, Class A common stock and Class L common stock. The Company’s Board of Directors authorized 12,500,000 shares of Class A common stock at par value of $0.01, out of which the Company issued 6,720,000 to Sanken in exchange for its previous common shares. The previous single class of common stock was retired in full. The Company sold 2,880,000 of newly issued shares of Class A common stock, representing a 28.8% ownership interest, to OEP SKNA, L.P. (the “OEP Investor”) for cash consideration of $291,000. The stock issuance proceeds were recorded net of $9,260 of related transaction costs. The Company’s Board of Directors authorized 1,000,000 shares of Class L common stock at a par value of $0.01. Both Class A and Class L common stock were entitled to dividends, when, and if declared by the Board of Directors. Holders of shares of Class A common stock were entitled to a priority dividend of 8%. After holders of shares of Class A common stock receive an annualized return on capital of 8%, distributions of the remaining value were split between holders of shares of Class A common stock and Class L common stock based on the achievement of certain return targets. Concurrent with the issuance of the Term Loan Facility on September 30, 2020 (as defined in Note 14, “Debt and Other Borrowings”), the Company paid a cash dividend in the aggregate amount of $400,000 to holders of the Company’s Class A common stock. Each outstanding share of Class A common stock entitled the holder to one vote on each matter submitted to a vote of the stockholders of the Company, including the election of the Board of Directors. Holders of Class L common stock were not entitled to vote. In the event of voluntary or involuntary liquidation, dissolution or winding-up of the Company, any amounts available for distribution by the Company were to be paid to the holders of Class A common stock and Class L common stock, as if such distribution were a dividend paid, factoring in the priorities as described above. Upon the earliest of (i) an IPO; (ii) change of control; (iii) the date OEP and its affiliates cease to own any shares of capital stock of the Company; or (iv) at the election of the Board of Directors, any merger transaction involving the Company or its subsidiaries, each outstanding share of Class L common stock would convert into Class A common stock. Also, in connection with the OEP transaction, the Company granted 400,000 unvested Class A shares and 597,400 of unvested Class L shares to certain Company employees. The Class A shares vest to the grantees over a service period of 60 months. However, they remain subject to the Company’s repurchase right at par value in the event that either (i) a change in control has not occurred or (ii) the Company has not consummated an IPO by the seventh anniversary of the OEP transaction. As of March 27, 2020, the Company was not able to determine whether such a change in control or IPO was probable, and therefore no amount of stock-based compensation was recognized for the unvested shares of Class A common stock at that time. As a result of the Company’s IPO closing on November 2, 2020, the unvested shares of Class A common stock immediately become vested and the Company recognized $40,440 of one-time stock-based compensation (400,000 shares to management at $101.10 per share) at that time. The Class L unvested shares vested on a straight-line basis over a service period of four years. Class L unvested shares had no other vesting conditions. If an IPO occurred, 25% of the unvested awards would accelerate vesting if 25% or more of the awards are unvested at the time of the IPO. If a change in control occurs, 100% of the then unvested awards would accelerate vesting. Accordingly, based on the Company’s IPO closing on November 2, 2020, the Company accelerated the vesting of the 25% unvested awards at that time. Prior to the IPO, the Company issued 17,203 shares of Class L common stock with a weighted average price per share of $33.83 during fiscal 2021 and issued 30,300 shares of Class L common stock with a weighted average price per share of $26.93 during fiscal 2020. On October 2, 2020, the Company repurchased an aggregate of 1,997 shares of its Class L common stock from certain of its directors and one of its non-executive employees for an aggregate purchase price of $408 in connection with, (i) in the case of such directors, the settlement of certain outstanding promissory notes issued by the Company to such directors, and (ii) in the case of such non-executive employee, to satisfy certain withholding tax obligations triggered by the vesting of such shares in accordance with the terms of the applicable award agreement. Immediately following the pricing of the IPO on November 2, 2020, all outstanding shares of Class A common stock and Class L common stock were automatically converted into an aggregate of 166,500,000 shares of common stock. Outstanding shares of Class A and Class L common stock were converted to common stock in the Common Stock Conversion at conversion rates of approximately 15.822 and 13.010 shares of common stock to each share of Class A and Class L common stock, respectively. As part of the Common Stock Conversion, 2,066,468 and 1,766 shares of common stock were returned to the Company for tax payments made on behalf of holders of Class A common stock and Class L common stock, respectively, to withhold to cover tax transactions. Outstanding loan amounts related to Class L common stock in the aggregate amount of $753 were extinguished on October 2, 2020. The following table presents the respective number of shares of common stock and unvested restricted common stock issued in the Common Stock Conversion. The number of shares of common stock and unvested restricted common stock issuable are based upon the vesting provisions of the outstanding shares and reflect the shares vested and unvested at the date of conversion.
| Shares of Common Stock |  | Shares of Unvested Restricted Common Stock |  | Total Shares of Common Stock
Class A common stock | 156,155,403 |  |  | — |  |  | 156,155,403 |
Class L common stock | 7,816,614 |  |  | 459,749 |  |  | 8,276,363 |
Total | 163,972,017 |  |  | 459,749 |  |  | 164,431,766 |
Prior to the IPO, there were 638,298 shares of Class L common stock outstanding at a weighted average price per share of $11.99. As noted in the above table, as part of the Common Stock Conversion, the Class L common stock was converted to 7,816,614 shares of common stock and 459,749 of unvested restricted common stock at weighted average prices per share of $14.00. In connection with its IPO, the Company offered certain employees (excluding its named executive officers) who were eligible to receive cash bonuses under the Company’s LTCIP and TRIP the opportunity to elect to receive RSUs under its 2020 Omnibus Incentive Compensation Plan in lieu of cash payouts under the LTCIP and/or TRIP, through the RSU Conversion Program. Refer to Note 12, “Management Long-Term Cash Incentive Plan” for more details. The following table summarizes RSU activity for the fiscal years ended March 25, 2022 and March 26, 2021:
| Number of Shares |  | Weighted-Average Grant-Date Fair Value |  | Weighted-Average Remaining Contractual Life (In years) |  | Aggregate Intrinsic Value
Outstanding - March 27, 2020 | — |  |  | $ | — |  |  | — |  |  | $ | — |
Granted | 1,428,932 |  |  | 14.06 |  |  |  |  |
Vested | (160,063) |  |  | 14.00 |  |  |  |  |
Canceled | (43,713) |  |  | 14.00 |  |  |  |  |
Outstanding - March 26, 2021 | 1,225,156 |  |  | $ | 14.07 |  |  | 1.70 |  | $ | 30,960 |
Granted | 1,344,717 |  |  | 26.00 |  |  |  |  |
Vested | (622,508) |  |  | 20.33 |  |  |  |  |
Canceled | (246,358) |  |  | 19.02 |  |  |  |  |
Outstanding - March 25, 2022 | 1,701,007 |  |  | $ | 20.50 |  |  | 1.27 |  | $ | 49,635 |
The weighted-average grant fair value per share for RSUs granted during the fiscal year ended March 25, 2022 was $26.00, and the stock-based compensation expense related to non-vested awards not yet recorded at March 25, 2022 was $22,790, which is expected to be recognized over a weighted-average of 1.27 years. During the fiscal year ended March 25, 2022, 622,508 shares vested. The Company also awards PSUs to its senior executive officers based on achievement of medium-term plans (“MTP”) approved in meetings of its Board of Directors for establishing target performances. Each award reflects a target number of shares (“Target Shares”) that may be issued to the award recipient. In fiscal year 2021, these awards are earned upon the completion of a three-year performance period ending March 31, 2023. Whether units are earned at the end of the performance period will be determined based on the achievement of certain performance objectives over the performance period. The performance objectives include achieving certain revenue improvement and cumulative EBITDA levels for the performance period, and also include a performance objective relating to relative total shareholder return (“TSR”). Depending on the results achieved during the three-year performance period, the actual number of shares that a grant recipient may receive at the end of the period ranges from 0% to 200% of the Target Shares granted. The weighted-average fair value of the PSUs was determined using the Monte Carlo simulation model incorporating the following weighted-average assumptions:
|  |  | Fiscal Year Ended
|  |  | March 26, 2021
Performance term |  |  | 2.42 years
Volatility |  |  | 49.9%
Risk-free rate of return |  |  | 0.17%
Dividend yield |  |  | —%
Weighted-average fair value per share |  |  | $14.00
The following table summarizes PSU activity for the fiscal years ended March 25, 2022 and March 26, 2021:
| Number of Shares |  | Weighted-Average Grant-Date Fair Value |  | Weighted-Average Remaining Contractual Life (In years) |  | Aggregate Intrinsic Value
Outstanding - March 27, 2020 | — |  |  | $ | — |  |  | — |  |  | $ | — |
Granted | 650,302 |  |  | 15.05 |  |  |  |  |
Vested | — |  |  | — |  |  |  |  |
Canceled | — |  |  | — |  |  |  |  |
Outstanding - March 26, 2021 | 650,302 |  |  | $ | 15.05 |  |  | 2.65 |  | $ | 16,433 |
Granted | 465,732 |  |  | 27.08 |  |  |  |  |
Vested | — |  |  | — |  |  |  |  |
Canceled | (160,951) |  |  | 19.19 |  |  |  |  |
Outstanding - March 25, 2022 | 955,083 |  |  | $ | 20.22 |  |  | 1.51 |  | $ | 27,869 |
PSUs are included at 100% - 200% of target goals. The intrinsic value of the unvested PSUs during the fiscal year ended March 25, 2022 was $27,869. The total compensation cost related to unvested awards not yet recorded at March 25, 2022 was $12,893, which is expected to be recognized over a weighted average of 1.51 years. No shares were vested during fiscal year ended March 25, 2022. The following table summarizes unvested restricted common stock activity for the fiscal years ended March 25, 2022 and March 26, 2021:
| Number of Shares |  | Weighted-Average Grant-Date Fair Value |  | Weighted-Average Remaining Contractual Life |  | Aggregate Intrinsic Value
Outstanding - March 27, 2020 | — |  |  | — |  |  | — |  |  | — |
Common stock conversion | 459,749 |  |  | 14.00 |  |  |  |  |
Vested | (50,170) |  |  | 14.00 |  |  |  |  |
Canceled | (3,252) |  |  | 14.00 |  |  |  |  |
Outstanding - March 26, 2021 | 406,327 |  |  | $ | 14.00 |  |  | 1.79 |  | $ | — |
Vested | (241,787) |  |  | 14.00 |  |  |  |  |
Canceled | (24,014) |  |  | — |  |  |  |  |
Outstanding - March 25, 2022 | 140,526 |  |  | $ | 14.00 |  |  | 1.07 |  | $ | 4,101 |
In connection with the Company’s IPO, the Company had filed a registration statement on Form S-8 registering 1,545,891 shares of the Company’s common stock available for future issuance under an employee stock purchase plan (“ESPP”), which number consists of (a) 832,400 shares of common stock initially available for issuance under the ESPP, and (b) an additional 713,491 shares of common stock that may become issuable under the ESPP pursuant to its terms. The ESPP, which is maintained by the Company, allows employees to purchase the Company’s common stock at 85% of the lesser of the stock price at the beginning or end of the offering period. Each offering period is six months in length. The Company’s first offering period started on January 1, 2021 and continued until June 30, 2021. The weighted-average fair value of the ESPP shares was determined using the Black-Scholes model incorporating the following weighted-average assumptions:
| Fiscal Year Ended |  |
| March 25, 2022 |  | March 26, 2021 |  |
Performance term | 0.50 years |  | 0.50 years |  |
Volatility | 48.10% |  | 55.02% |  |
Risk-free rate of return | 0.10% |  | 0.09% |  |
Dividend yield | —% |  | —% |  |
Weighted-average fair value per share | $8.25 |  | $7.77 |  |
As of March 25, 2022, the total unrecognized compensation cost related to the ESPP was $272 and this amount is expected to be recognized over 0.27 years. For the fiscal year ended March 25, 2022, the Company recognized stock-based compensation charges of $19,918, $11,997, $424, $1,099 and $110 for it s RSUs, PSUs, restricted common stock, ESPP and phantom stock, respectively. Upon completion of its IPO, the Company recognized one-time stock-based compensation charges of $40,440 in connection with the vesting of all outstanding shares of Class A common stock, $1,610 in connection with the automatic acceleration of 25% of the standard vesting term of shares of Class L common stock an d $1,028 with the RSU Conversion Program (see above and Note 12, “Management Long-Term Cash Incentive Plan”). In addition, the Company recognized stock-based compensation charges of $1,169 for i ts Class L common stock for the fiscal year ended March 26, 2021 and stock-based compensation charges of $5,729, $1,269, $174 and $247 for it s RSUs, PSUs, restricted common stock and ESPP, respectively, for the fiscal year ended March 26, 2021. All stock-based compensation charges in fiscal 2020 related to expensing of the Company’s Class L common stock. The Company recorded stock-based compensation expense in the following expense categories of its consolidated statements of operations:
|  | Fiscal Year Ended
|  | March 25, 2022 |  | March 26, 2021 |  | March 27, 2020
Cost of sales |  | $ | 3,176 |  |  | $ | 5,158 |  |  | $ | 183 |
Research and development |  | 3,933 |  |  | 3,573 |  |  | 87 |
Selling, general and administrative |  | 26,439 |  |  | 41,139 |  |  | 1,165 |
Total stock-based compensation |  | $ | 33,548 |  |  | $ | 49,870 |  |  | $ | 1,435 |
Phantom Stock Grants On January 1, 2022, the Company issued an award of 5,733 restricted cash units to an employee of a professional employer organization that provides services to the Company. Each restricted cash unit represents the right of the grantee to receive cash payment, upon time-based vesting, equal to the market price of the Company’s common stock. The restricted cash units do not possess the rights of common stockholders of the Company, including voting and dividend rights, and cannot be exercised or traded for the Company’s common stock. Additionally, the carrying value of the restricted cash units fluctuates with the market price of the Company’s common stock and represents the expected cash value of the units at a point in time. Due to the cash settlement feature, the restricted cash units are classified as liabilities in accrued expenses and other current liabilities and other long-term liabilities in the consolidated balance sheets for the current and long-term portions of the obligations, respectively. As of March 25, 2022, the restricted cash units will vest over a remaining period of 2.15 years. As of March 25, 2022, no restricted cash units had fully vested.

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