SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

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

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

Q4 2025

Shares 22,622 Value ($000) $2,957 Avg Close $131.47 Range $115.51 - $146.62

Q3 2025

Shares 47,542 Value ($000) $6,234 Avg Close $136.18 Range $119.59 - $153.71

Q2 2025

Shares 45,740 Value ($000) $6,740 Avg Close $118.28 Range $82.82 - $150.25

Q1 2023

Shares 26,560 Value ($000) $4,650 Avg Close $168.08 Range $132.96 - $194.68

Q4 2019

Shares 61,873 Value ($000) $7,176 Avg Close $109.67 Range $101.93 - $117.39

Q3 2019

Shares 83,810 Value ($000) $9,332 Avg Close $108.27 Range $100.42 - $115.29

Q2 2019

Shares 83,740 Value ($000) $8,659 Avg Close $96.50 Range $81.61 - $110.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	22,622	$2,957	$131.47	$115.51 - $146.62
Q3 2025	47,542	$6,234	$136.18	$119.59 - $153.71
Q2 2025	45,740	$6,740	$118.28	$82.82 - $150.25
Q1 2023	26,560	$4,650	$168.08	$132.96 - $194.68
Q4 2019	61,873	$7,176	$109.67	$101.93 - $117.39
Q3 2019	83,810	$9,332	$108.27	$100.42 - $115.29
Q2 2019	83,740	$8,659	$96.50	$81.61 - $110.43