ALLEGRO MICROSYSTEMS INC

Ticker: ALGM CUSIP: 01749D105 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q3 2025

Shares 133,508 Value ($000) $3,898 Avg Close $32.34 Range $28.85 - $38.45

Q2 2025

Shares 103,160 Value ($000) $3,527 Avg Close $24.91 Range $16.38 - $34.30

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	133,508	$3,898	$32.34	$28.85 - $38.45
Q2 2025	103,160	$3,527	$24.91	$16.38 - $34.30