ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

WHITTIER TRUST CO OF NEVADA INC's Holding History (CIK: 0001263548)

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

Q4 2025

Shares 75 Value ($000) $2 Avg Close $27.52 Range $22.41 - $33.84

Q3 2025

Shares 104 Value ($000) $3 Avg Close $32.34 Range $28.85 - $38.45

Q2 2025

Shares 194 Value ($000) $7 Avg Close $24.91 Range $16.38 - $34.30

Q1 2025

Shares 200 Value ($000) $5 Avg Close $24.96 Range $21.16 - $29.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	75	$2	$27.52	$22.41 - $33.84
Q3 2025	104	$3	$32.34	$28.85 - $38.45
Q2 2025	194	$7	$24.91	$16.38 - $34.30
Q1 2025	200	$5	$24.96	$21.16 - $29.45