XML 43 R29.htm IDEA: XBRL DOCUMENT
v3.26.1

Net (Loss) Income per Share | 12 Months Ended
--- | ---
Mar. 27, 2026
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 27, 2026 |  |  | March 28, 2025 |  |  | March 29, 2024 |
Net (loss) income attributable to Allegro MicroSystems, Inc. |  | $ | (14,897 | ) |  | $ | (73,010 | ) |  | $ | 152,697 |
Basic weighted average common shares |  |  | 185,035,670 |  |  |  | 187,707,391 |  |  |  | 192,573,169 |
Dilutive effect of common stock equivalents |  |  | — |  |  |  | — |  |  |  | 2,101,183 |
Diluted weighted average common shares |  |  | 185,035,670 |  |  |  | 187,707,391 |  |  |  | 194,674,352 |
Basic net (loss) income per common share attributable to Allegro MicroSystems, Inc. stockholders |  | $ | (0.08 | ) |  | $ | (0.39 | ) |  | $ | 0.79 |
Diluted net (loss) income per common share attributable to Allegro MicroSystems, Inc. stockholders |  | $ | (0.08 | ) |  | $ | (0.39 | ) |  | $ | 0.78 |
The computed net (loss) income per share for the fiscal years ended March 27, 2026, March 28, 2025 and March 29, 2024 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 27, 2026 |  |  | March 28, 2025 |  |  | March 29, 2024 |
RSUs |  |  | 11,940 |  |  |  | 451,087 |  |  |  | 40,257 |
PSUs |  |  | 21,248 |  |  |  | 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 period:
|  | Fiscal Year Ended |
|  | March 27, 2026 |  |  | March 28, 2025 |  |  | March 29, 2024 |
RSUs |  |  | — |  |  |  | — |  |  |  | 888,811 |
PSUs |  |  | — |  |  |  | — |  |  |  | 1,210,124 |
ESPP |  |  | — |  |  |  | — |  |  |  | 2,248 |
Total |  |  | — |  |  |  | — |  |  |  | 2,101,183 |

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/260/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-3 + Details
Name: | us-gaap_EarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration