ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

Sigma Planning Corp's Holding History (CIK: 0001449126)

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

Q4 2021

Shares 15,711 Value ($000) $568 Avg Close $32.55 Range $29.41 - $38.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	15,711	$568	$32.55	$29.41 - $38.28