ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

UMB Bank, n.a.'s Holding History (CIK: 0000933429)

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

Q4 2025

Shares 1,690 Value ($000) $45 Avg Close $27.52 Range $22.41 - $33.84

Q3 2025

Shares 1,861 Value ($000) $54 Avg Close $32.34 Range $28.85 - $38.45

Q2 2025

Shares 1,835 Value ($000) $63 Avg Close $24.91 Range $16.38 - $34.30

Q1 2025

Shares 1,420 Value ($000) $36 Avg Close $24.96 Range $21.16 - $29.45

Q4 2024

Shares 842 Value ($000) $18 Avg Close $21.30 Range $18.59 - $24.14

Q3 2024

Shares 639 Value ($000) $15 Avg Close $25.14 Range $20.42 - $33.26

Q2 2024

Shares 36 Value ($000) $1 Avg Close $28.47 Range $23.64 - $31.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,690	$45	$27.52	$22.41 - $33.84
Q3 2025	1,861	$54	$32.34	$28.85 - $38.45
Q2 2025	1,835	$63	$24.91	$16.38 - $34.30
Q1 2025	1,420	$36	$24.96	$21.16 - $29.45
Q4 2024	842	$18	$21.30	$18.59 - $24.14
Q3 2024	639	$15	$25.14	$20.42 - $33.26
Q2 2024	36	$1	$28.47	$23.64 - $31.82