ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

NEXT CENTURY GROWTH INVESTORS LLC's Holding History (CIK: 0001134007)

Note: Option positions (PUT/CALL) are excluded.

Q1 2022

Shares 75,765 Value ($000) $2,151 Avg Close $28.58 Range $24.81 - $37.29

Q4 2021

Shares 153,122 Value ($000) $5,539 Avg Close $32.55 Range $29.41 - $38.28

Q3 2021

Shares 160,443 Value ($000) $5,127 Avg Close $29.47 Range $24.29 - $36.85

Q2 2021

Shares 180,840 Value ($000) $5,009 Avg Close $26.09 Range $22.05 - $28.27

Q1 2021

Shares 205,359 Value ($000) $5,205 Avg Close $28.59 Range $23.39 - $34.66

Q4 2020

Shares 211,533 Value ($000) $5,639 Avg Close $24.19 Range $16.78 - $29.48

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	75,765	$2,151	$28.58	$24.81 - $37.29
Q4 2021	153,122	$5,539	$32.55	$29.41 - $38.28
Q3 2021	160,443	$5,127	$29.47	$24.29 - $36.85
Q2 2021	180,840	$5,009	$26.09	$22.05 - $28.27
Q1 2021	205,359	$5,205	$28.59	$23.39 - $34.66
Q4 2020	211,533	$5,639	$24.19	$16.78 - $29.48