CADENCE DESIGN SYSTEM INC

Ticker: CDNS CUSIP: 127387108 Class: Com

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q4 2025

Shares 14,847 Value ($000) $4,641 Avg Close $326.31 Range $295.18 - $357.53

Q3 2025

Shares 14,467 Value ($000) $5,082 Avg Close $344.03 Range $304.73 - $376.45

Q2 2025

Shares 14,102 Value ($000) $4,346 Avg Close $290.76 Range $221.56 - $323.39

Q1 2025

Shares 13,769 Value ($000) $3,502 Avg Close $278.09 Range $230.09 - $325.03

Q4 2024

Shares 8,545 Value ($000) $2,567 Avg Close $290.70 Range $246.60 - $326.19

Q3 2024

Shares 2,805 Value ($000) $760 Avg Close $276.46 Range $241.29 - $322.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,847	$4,641	$326.31	$295.18 - $357.53
Q3 2025	14,467	$5,082	$344.03	$304.73 - $376.45
Q2 2025	14,102	$4,346	$290.76	$221.56 - $323.39
Q1 2025	13,769	$3,502	$278.09	$230.09 - $325.03
Q4 2024	8,545	$2,567	$290.70	$246.60 - $326.19
Q3 2024	2,805	$760	$276.46	$241.29 - $322.28