ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q4 2025

Shares 13,875 Value ($000) $366 Avg Close $27.52 Range $22.41 - $33.84

Q3 2025

Shares 29,925 Value ($000) $874 Avg Close $32.34 Range $28.85 - $38.45

Q3 2024

Shares 5,531 Value ($000) $129 Avg Close $25.14 Range $20.42 - $33.26

Q3 2023

Shares 3,898 Value ($000) $125 Avg Close $40.63 Range $31.31 - $53.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,875	$366	$27.52	$22.41 - $33.84
Q3 2025	29,925	$874	$32.34	$28.85 - $38.45
Q3 2024	5,531	$129	$25.14	$20.42 - $33.26
Q3 2023	3,898	$125	$40.63	$31.31 - $53.05