SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

Cohen Klingenstein LLC's Holding History (CIK: 0001453620)

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

Q4 2025

Shares 4,359 Value ($000) $570 Avg Close $131.47 Range $115.51 - $146.62

Q3 2025

Shares 4,359 Value ($000) $572 Avg Close $136.18 Range $119.59 - $153.71

Q2 2025

Shares 4,359 Value ($000) $642 Avg Close $118.28 Range $82.82 - $150.25

Q1 2025

Shares 5,078 Value ($000) $572 Avg Close $135.11 Range $109.91 - $160.00

Q4 2024

Shares 5,078 Value ($000) $631 Avg Close $114.70 Range $96.60 - $133.59

Q3 2024

Shares 5,469 Value ($000) $632 Avg Close $111.62 Range $94.00 - $126.27

Q2 2024

Shares 5,469 Value ($000) $605 Avg Close $123.50 Range $107.04 - $146.44

Q1 2024

Shares 8,226 Value ($000) $1,182 Avg Close $132.52 Range $114.35 - $154.91

Q4 2023

Shares 8,226 Value ($000) $1,088 Avg Close $109.36 Range $74.56 - $136.83

Q3 2023

Shares 8,226 Value ($000) $953 Avg Close $138.09 Range $113.33 - $166.94

Q2 2023

Shares 9,069 Value ($000) $1,431 Avg Close $151.04 Range $132.40 - $174.91

Q1 2023

Shares 9,069 Value ($000) $1,588 Avg Close $168.08 Range $132.96 - $194.68

Q4 2022

Shares 9,069 Value ($000) $1,230 Avg Close $131.44 Range $109.44 - $150.70

Q3 2022

Shares 9,069 Value ($000) $1,119 Avg Close $133.68 Range $113.48 - $154.79

Q2 2022

Shares 9,069 Value ($000) $1,272 Avg Close $139.98 Range $124.78 - $153.84

Q1 2022

Shares 9,069 Value ($000) $1,362 Avg Close $159.80 Range $130.96 - $211.98

Q4 2021

Shares 9,069 Value ($000) $1,872 Avg Close $184.14 Range $135.05 - $210.98

Q3 2021

Shares 9,986 Value ($000) $1,400 Avg Close $150.07 Range $134.54 - $160.89

Q2 2021

Shares 11,485 Value ($000) $1,760 Avg Close $139.81 Range $120.15 - $162.28

Q1 2021

Shares 11,485 Value ($000) $1,620 Avg Close $143.40 Range $124.76 - $163.43

Q4 2020

Shares 11,485 Value ($000) $1,462 Avg Close $112.65 Range $94.77 - $128.88

Q3 2020

Shares 11,485 Value ($000) $1,124 Avg Close $100.56 Range $92.19 - $107.00

Q2 2020

Shares 11,485 Value ($000) $1,152 Avg Close $93.46 Range $76.64 - $104.49

Q1 2020

Shares 11,485 Value ($000) $981 Avg Close $99.22 Range $65.09 - $122.90

Q4 2019

Shares 11,485 Value ($000) $1,332 Avg Close $109.67 Range $101.93 - $117.39

Q3 2019

Shares 11,924 Value ($000) $1,328 Avg Close $108.27 Range $100.42 - $115.29

Q2 2019

Shares 11,924 Value ($000) $1,233 Avg Close $96.50 Range $81.61 - $110.43

Q1 2019

Shares 11,924 Value ($000) $964 Avg Close $83.18 Range $74.01 - $92.62

Q4 2018

Shares 11,924 Value ($000) $940 Avg Close $83.13 Range $73.13 - $93.73

Q3 2018

Shares 11,924 Value ($000) $1,095 Avg Close $97.73 Range $90.50 - $108.15

Q2 2018

Shares 11,924 Value ($000) $1,188 Avg Close $100.00 Range $85.96 - $110.70

Q1 2018

Shares 11,924 Value ($000) $1,072 Avg Close $94.32 Range $84.48 - $101.20

Q4 2017

Shares 11,924 Value ($000) $1,053 Avg Close $89.86 Range $80.17 - $96.93

Q3 2017

Shares 11,924 Value ($000) $953 Avg Close $74.44 Range $66.35 - $81.95

Q2 2017

Shares 11,924 Value ($000) $815 Avg Close $72.28 Range $66.85 - $78.45

Q1 2017

Shares 11,924 Value ($000) $877 Avg Close $69.95 Range $63.15 - $75.60

Q4 2016

Shares 11,924 Value ($000) $775 Avg Close $62.93 Range $55.97 - $68.95

Q3 2016

Shares 11,924 Value ($000) $701 Avg Close $54.01 Range $45.94 - $59.35

Q2 2016

Shares 11,924 Value ($000) $581 Avg Close $47.19 Range $42.63 - $51.00

Q1 2016

Shares 11,924 Value ($000) $536 Avg Close $43.02 Range $36.56 - $48.00

Q4 2015

Shares 12,119 Value ($000) $588 Avg Close $49.45 Range $40.03 - $54.72

Q3 2015

Shares 12,119 Value ($000) $503 Avg Close $45.65 Range $39.33 - $55.08

Q2 2015

Shares 12,119 Value ($000) $655 Avg Close $53.48 Range $49.62 - $58.54

Q1 2015

Shares 12,119 Value ($000) $615 Avg Close $48.54 Range $42.61 - $52.83

Q4 2014

Shares 12,119 Value ($000) $577 Avg Close $44.13 Range $36.29 - $48.50

Q3 2014

Shares 14,527 Value ($000) $590 Avg Close $43.99 Range $39.28 - $50.05

Q2 2014

Shares 14,527 Value ($000) $715 Avg Close $47.57 Range $42.41 - $53.78

Q1 2014

Shares 14,527 Value ($000) $759 Avg Close $48.31 Range $41.19 - $54.00

Q4 2013

Shares 14,527 Value ($000) $629 Avg Close $40.96 Range $37.57 - $44.19

Q3 2013

Shares 14,695 Value ($000) $628 Avg Close $41.35 Range $38.16 - $46.21

Q2 2013

Shares 14,695 Value ($000) $609 Avg Close $41.29 Range $38.04 - $44.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,359	$570	$131.47	$115.51 - $146.62
Q3 2025	4,359	$572	$136.18	$119.59 - $153.71
Q2 2025	4,359	$642	$118.28	$82.82 - $150.25
Q1 2025	5,078	$572	$135.11	$109.91 - $160.00
Q4 2024	5,078	$631	$114.70	$96.60 - $133.59
Q3 2024	5,469	$632	$111.62	$94.00 - $126.27
Q2 2024	5,469	$605	$123.50	$107.04 - $146.44
Q1 2024	8,226	$1,182	$132.52	$114.35 - $154.91
Q4 2023	8,226	$1,088	$109.36	$74.56 - $136.83
Q3 2023	8,226	$953	$138.09	$113.33 - $166.94
Q2 2023	9,069	$1,431	$151.04	$132.40 - $174.91
Q1 2023	9,069	$1,588	$168.08	$132.96 - $194.68
Q4 2022	9,069	$1,230	$131.44	$109.44 - $150.70
Q3 2022	9,069	$1,119	$133.68	$113.48 - $154.79
Q2 2022	9,069	$1,272	$139.98	$124.78 - $153.84
Q1 2022	9,069	$1,362	$159.80	$130.96 - $211.98
Q4 2021	9,069	$1,872	$184.14	$135.05 - $210.98
Q3 2021	9,986	$1,400	$150.07	$134.54 - $160.89
Q2 2021	11,485	$1,760	$139.81	$120.15 - $162.28
Q1 2021	11,485	$1,620	$143.40	$124.76 - $163.43
Q4 2020	11,485	$1,462	$112.65	$94.77 - $128.88
Q3 2020	11,485	$1,124	$100.56	$92.19 - $107.00
Q2 2020	11,485	$1,152	$93.46	$76.64 - $104.49
Q1 2020	11,485	$981	$99.22	$65.09 - $122.90
Q4 2019	11,485	$1,332	$109.67	$101.93 - $117.39
Q3 2019	11,924	$1,328	$108.27	$100.42 - $115.29
Q2 2019	11,924	$1,233	$96.50	$81.61 - $110.43
Q1 2019	11,924	$964	$83.18	$74.01 - $92.62
Q4 2018	11,924	$940	$83.13	$73.13 - $93.73
Q3 2018	11,924	$1,095	$97.73	$90.50 - $108.15
Q2 2018	11,924	$1,188	$100.00	$85.96 - $110.70
Q1 2018	11,924	$1,072	$94.32	$84.48 - $101.20
Q4 2017	11,924	$1,053	$89.86	$80.17 - $96.93
Q3 2017	11,924	$953	$74.44	$66.35 - $81.95
Q2 2017	11,924	$815	$72.28	$66.85 - $78.45
Q1 2017	11,924	$877	$69.95	$63.15 - $75.60
Q4 2016	11,924	$775	$62.93	$55.97 - $68.95
Q3 2016	11,924	$701	$54.01	$45.94 - $59.35
Q2 2016	11,924	$581	$47.19	$42.63 - $51.00
Q1 2016	11,924	$536	$43.02	$36.56 - $48.00
Q4 2015	12,119	$588	$49.45	$40.03 - $54.72
Q3 2015	12,119	$503	$45.65	$39.33 - $55.08
Q2 2015	12,119	$655	$53.48	$49.62 - $58.54
Q1 2015	12,119	$615	$48.54	$42.61 - $52.83
Q4 2014	12,119	$577	$44.13	$36.29 - $48.50
Q3 2014	14,527	$590	$43.99	$39.28 - $50.05
Q2 2014	14,527	$715	$47.57	$42.41 - $53.78
Q1 2014	14,527	$759	$48.31	$41.19 - $54.00
Q4 2013	14,527	$629	$40.96	$37.57 - $44.19
Q3 2013	14,695	$628	$41.35	$38.16 - $46.21
Q2 2013	14,695	$609	$41.29	$38.04 - $44.00