ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

STIFEL FINANCIAL CORP's Holding History (CIK: 0000720672)

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

Q4 2025

Shares 10,050 Value ($000) $265 Avg Close $27.52 Range $22.41 - $33.84

Q3 2025

Shares 9,988 Value ($000) $292 Avg Close $32.34 Range $28.85 - $38.45

Q3 2023

Shares 22,207 Value ($000) $709 Avg Close $40.63 Range $31.31 - $53.05

Q2 2023

Shares 23,827 Value ($000) $1,076 Avg Close $40.49 Range $34.19 - $48.72

Q1 2023

Shares 9,911 Value ($000) $476 Avg Close $40.69 Range $28.84 - $48.30

Q4 2021

Shares 33,224 Value ($000) $1,202 Avg Close $32.55 Range $29.41 - $38.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,050	$265	$27.52	$22.41 - $33.84
Q3 2025	9,988	$292	$32.34	$28.85 - $38.45
Q3 2023	22,207	$709	$40.63	$31.31 - $53.05
Q2 2023	23,827	$1,076	$40.49	$34.19 - $48.72
Q1 2023	9,911	$476	$40.69	$28.84 - $48.30
Q4 2021	33,224	$1,202	$32.55	$29.41 - $38.28