ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

IMC-Chicago, LLC's Holding History (CIK: 0001452861)

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

Q4 2025

Shares 10,618 Value ($000) $280 Avg Close $27.52 Range $22.41 - $33.84

Q3 2025

Shares 122,837 Value ($000) $3,587 Avg Close $32.34 Range $28.85 - $38.45

Q1 2025

Shares 34,676 Value ($000) $871 Avg Close $24.96 Range $21.16 - $29.45

Q2 2024

Shares 11,590 Value ($000) $327 Avg Close $28.47 Range $23.64 - $31.82

Q1 2024

Shares 12,014 Value ($000) $324 Avg Close $28.90 Range $25.00 - $32.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,618	$280	$27.52	$22.41 - $33.84
Q3 2025	122,837	$3,587	$32.34	$28.85 - $38.45
Q1 2025	34,676	$871	$24.96	$21.16 - $29.45
Q2 2024	11,590	$327	$28.47	$23.64 - $31.82
Q1 2024	12,014	$324	$28.90	$25.00 - $32.63