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Net (Loss) Income per Share | 12 Months Ended
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Mar. 28, 2025
Earnings Per Share [Abstract] |
Net (Loss) Income per Share | 17. Net (Loss) Income per Share The following table sets forth the basic and diluted net (loss) income attributable to Allegro MicroSystems, Inc. per share.
|  | Fiscal Year Ended |
|  | March 28, 2025 |  |  | March 29, 2024 |  |  | March 31, 2023 |
Net (loss) income attributable to Allegro MicroSystems, Inc. |  | $ | (73,010 | ) |  | $ | 152,697 |  |  | $ | 187,357 |
Basic weighted average common shares |  |  | 187,707,391 |  |  |  | 192,573,169 |  |  |  | 191,197,452 |
Dilutive effect of common stock equivalents |  |  | — |  |  |  | 2,101,183 |  |  |  | 2,490,650 |
Diluted weighted average common shares |  |  | 187,707,391 |  |  |  | 194,674,352 |  |  |  | 193,688,102 |
Basic net (loss) income per common share attributable to Allegro MicroSystems, Inc. stockholders |  | $ | (0.39 | ) |  | $ | 0.79 |  |  | $ | 0.98 |
Diluted net (loss) income per common share attributable to Allegro MicroSystems, Inc. stockholders |  | $ | (0.39 | ) |  | $ | 0.78 |  |  | $ | 0.97 |
The computed net (loss) income per share for the fiscal years ended March 28, 2025, March 29, 2024 and March 31, 2023 does not assume conversion of securities that would have an antidilutive effect on net (loss) income per share. The following represents contingently issuable shares under the restricted stock units (“RSUs”) and performance-based restricted stock units (“PSUs”) excluded from the computation of net (loss) income per share, as such securities would have an antidilutive effect on net (loss) income per share if the Company had reported net income for the respective periods:
|  | Fiscal Year Ended |
|  | March 28, 2025 |  |  | March 29, 2024 |  |  | March 31, 2023 |
RSUs |  |  | 451,087 |  |  |  | 40,257 |  |  |  | 17,586 |
PSUs |  |  | 91,210 |  |  |  | 129,837 |  |  |  | — |
The following table represents issued and issuable weighted average share information underlying our outstanding RSUs, PSUs and participation in our employee stock purchase plan (“ESPP”) for the respective periods:
|  | Fiscal Year Ended |
|  | March 28, 2025 |  |  | March 29, 2024 |  |  | March 31, 2023 |
RSUs |  |  | — |  |  |  | 888,811 |  |  |  | 1,039,547 |
PSUs |  |  | — |  |  |  | 1,210,124 |  |  |  | 1,435,883 |
ESPP |  |  | — |  |  |  | 2,248 |  |  |  | 15,220 |
Total |  |  | — |  |  |  | 2,101,183 |  |  |  | 2,490,650 |

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