Net Income per Share (Tables)

6 Months Ended

Sep. 29, 2023

Earnings Per Share [Abstract]

Schedule of Computation of Net (Loss) Income per Share and Unaudited Pro Forma Net Income per Share

The following table sets forth the basic and diluted net income per common share attributable to Allegro MicroSystems, Inc.

	Three-Month Period Ended				Six-Month Period Ended
	September 29, 2023		September 23, 2022		September 29, 2023		September 23, 2022
Net income attributable to common stockholders	$	65,671	$	50,648	$	126,560	$	60,931
Basic weighted average shares of common stock		192,431,094		191,284,631		192,214,210		190,959,616
Dilutive effect of common stock equivalents		2,669,761		1,354,945		2,841,285		1,694,481
Diluted weighted average shares of common stock		195,100,855		192,639,576		195,055,495		192,654,097
Basic net income attributable to common stockholders per share	$	0.34	$	0.26	$	0.66	$	0.32
Diluted net income attributable to common stockholders per share	$	0.34	$	0.26	$	0.65	$	0.32

Schedule Of Anti Dilutive Securities Excluded

The computed net income per share for the three- and six-month periods ended September 29, 2023 and September 23, 2022 does not assume conversion of securities that would have an antidilutive effect on 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 income per share, as such securities would have an antidilutive effect on net income per share:

	Three-Month Period Ended				Six-Month Period Ended
	September 29, 2023		September 23, 2022		September 29, 2023		September 23, 2022
Restricted stock units		22,706		77,043		11,353		48,725
Performance stock units		3,695		169,939		98,658		107,390

Schedule of Issuable Weighted Average Share Information

The following table represents issued and issuable weighted average share information underlying our outstanding RSUs, PSUs and participation in our employee stock purchase plan for the respective periods:

	Three-Month Period Ended				Six-Month Period Ended
	September 29, 2023		September 23, 2022		September 29, 2023		September 23, 2022
Restricted stock units		906,992		541,201		1,050,205		624,738
Performance stock units		1,749,345		810,426		1,773,627		1,066,425
Employee stock purchase plan		13,424		3,318		17,453		3,318
Total		2,669,761		1,354,945		2,841,285		1,694,481