SYNOPSYS INC

Ticker: SNPS CUSIP: 871607107 Class: COM

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

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

Q4 2025

Shares 1,372 Value ($000) $644 Avg Close $444.23 Range $376.18 - $495.72

Q3 2025

Shares 1,372 Value ($000) $677 Avg Close $565.30 Range $380.84 - $651.73

Q3 2024

Shares 31,447 Value ($000) $15,924 Avg Close $536.59 Range $457.52 - $624.80

Q2 2024

Shares 31,932 Value ($000) $19,001 Avg Close $565.46 Range $508.19 - $622.99

Q1 2024

Shares 31,522 Value ($000) $18,015 Avg Close $550.38 Range $477.65 - $629.38

Q4 2023

Shares 31,942 Value ($000) $16,447 Avg Close $511.34 Range $448.26 - $573.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,372	$644	$444.23	$376.18 - $495.72
Q3 2025	1,372	$677	$565.30	$380.84 - $651.73
Q3 2024	31,447	$15,924	$536.59	$457.52 - $624.80
Q2 2024	31,932	$19,001	$565.46	$508.19 - $622.99
Q1 2024	31,522	$18,015	$550.38	$477.65 - $629.38
Q4 2023	31,942	$16,447	$511.34	$448.26 - $573.77