ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

CULLEN/FROST BANKERS, INC.'s Holding History (CIK: 0000039263)

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

Q2 2025

Shares 37 Value ($000) $1 Avg Close $24.91 Range $16.38 - $34.30

Q3 2023

Shares 1,100 Value ($000) $35 Avg Close $40.63 Range $31.31 - $53.05

Q2 2023

Shares 1,500 Value ($000) $68 Avg Close $40.49 Range $34.19 - $48.72

Q1 2023

Shares 1,500 Value ($000) $72 Avg Close $40.69 Range $28.84 - $48.30

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	37	$1	$24.91	$16.38 - $34.30
Q3 2023	1,100	$35	$40.63	$31.31 - $53.05
Q2 2023	1,500	$68	$40.49	$34.19 - $48.72
Q1 2023	1,500	$72	$40.69	$28.84 - $48.30