ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

CANADA PENSION PLAN INVESTMENT BOARD's Holding History (CIK: 0001283718)

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

Q4 2025

Shares 18,000 Value ($000) $475 Avg Close $27.52 Range $22.41 - $33.84

Q3 2025

Shares 6,200 Value ($000) $181 Avg Close $32.34 Range $28.85 - $38.45

Q2 2025

Shares 6,100 Value ($000) $209 Avg Close $24.91 Range $16.38 - $34.30

Q1 2025

Shares 2,400 Value ($000) $60 Avg Close $24.96 Range $21.16 - $29.45

Q3 2024

Shares 18,500 Value ($000) $431 Avg Close $25.14 Range $20.42 - $33.26

Q4 2023

Shares 230,300 Value ($000) $6,971 Avg Close $28.56 Range $24.66 - $32.19

Q3 2023

Shares 70,200 Value ($000) $2,242 Avg Close $40.63 Range $31.31 - $53.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	18,000	$475	$27.52	$22.41 - $33.84
Q3 2025	6,200	$181	$32.34	$28.85 - $38.45
Q2 2025	6,100	$209	$24.91	$16.38 - $34.30
Q1 2025	2,400	$60	$24.96	$21.16 - $29.45
Q3 2024	18,500	$431	$25.14	$20.42 - $33.26
Q4 2023	230,300	$6,971	$28.56	$24.66 - $32.19
Q3 2023	70,200	$2,242	$40.63	$31.31 - $53.05