MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

WELLS FARGO & COMPANY/MN's Holding History (CIK: 0000072971)

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

Q4 2025

Shares 18,697 Value ($000) $2,432 Avg Close $143.19 Range $129.77 - $157.72

Q3 2025

Shares 17,280 Value ($000) $2,550 Avg Close $151.39 Range $135.34 - $172.55

Q2 2025

Shares 18,189 Value ($000) $3,060 Avg Close $159.72 Range $133.70 - $174.50

Q1 2025

Shares 18,517 Value ($000) $3,085 Avg Close $173.51 Range $159.29 - $194.88

Q4 2024

Shares 19,743 Value ($000) $3,264 Avg Close $157.91 Range $131.60 - $180.97

Q3 2024

Shares 51,598 Value ($000) $6,880 Avg Close $116.03 Range $101.61 - $135.78

Q2 2024

Shares 49,948 Value ($000) $6,290 Avg Close $131.69 Range $112.85 - $147.89

Q1 2024

Shares 67,364 Value ($000) $9,892 Avg Close $129.12 Range $107.57 - $153.93

Q4 2023

Shares 116,712 Value ($000) $13,680 Avg Close $93.21 Range $75.22 - $122.60

Q3 2023

Shares 30,550 Value ($000) $2,679 Avg Close $116.39 Range $83.03 - $164.16

Q2 2023

Shares 33,262 Value ($000) $5,473 Avg Close $174.09 Range $153.35 - $198.00

Q1 2023

Shares 15,279 Value ($000) $2,820 Avg Close $168.70 Range $144.51 - $184.97

Q4 2022

Shares 15,755 Value ($000) $2,331 Avg Close $137.60 Range $108.89 - $150.87

Q3 2022

Shares 20,395 Value ($000) $2,879 Avg Close $146.09 Range $122.68 - $172.74

Q2 2022

Shares 47,368 Value ($000) $6,189 Avg Close $133.79 Range $112.07 - $154.51

Q1 2022

Shares 57,305 Value ($000) $8,341 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 72,832 Value ($000) $21,324 Avg Close $284.79 Range $262.52 - $305.21

Q3 2021

Shares 76,971 Value ($000) $20,837 Avg Close $271.15 Range $241.42 - $288.27

Q2 2021

Shares 85,581 Value ($000) $20,749 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 137,428 Value ($000) $31,563 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 142,101 Value ($000) $38,137 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 221,102 Value ($000) $52,193 Avg Close $224.17 Range $203.81 - $248.88

Q2 2020

Shares 362,570 Value ($000) $82,663 Avg Close $219.47 Range $173.15 - $258.00

Q1 2020

Shares 121,122 Value ($000) $21,453 Avg Close $171.51 Range $143.90 - $187.85

Q4 2019

Shares 109,289 Value ($000) $17,274 Avg Close $150.33 Range $140.16 - $160.06

Q3 2019

Shares 126,296 Value ($000) $18,791 Avg Close $151.90 Range $139.36 - $160.25

Q2 2019

Shares 183,136 Value ($000) $27,256 Avg Close $137.22 Range $118.93 - $148.93

Q1 2019

Shares 213,698 Value ($000) $29,550 Avg Close $125.54 Range $101.87 - $139.48

Q4 2018

Shares 139,847 Value ($000) $15,015 Avg Close $111.51 Range $98.23 - $126.89

Q3 2018

Shares 141,321 Value ($000) $17,600 Avg Close $110.93 Range $96.14 - $124.74

Q2 2018

Shares 281,643 Value ($000) $27,502 Avg Close $95.08 Range $83.16 - $102.32

Q1 2018

Shares 313,998 Value ($000) $27,616 Avg Close $87.17 Range $80.69 - $96.45

Q4 2017

Shares 247,347 Value ($000) $20,974 Avg Close $86.74 Range $84.05 - $91.04

Q3 2017

Shares 153,841 Value ($000) $13,317 Avg Close $88.42 Range $81.01 - $100.00

Q2 2017

Shares 154,159 Value ($000) $14,055 Avg Close $91.81 Range $82.71 - $104.71

Q1 2017

Shares 161,776 Value ($000) $15,087 Avg Close $82.32 Range $66.79 - $96.68

Q4 2016

Shares 153,519 Value ($000) $10,347 Avg Close $61.46 Range $53.78 - $68.88

Q3 2016

Shares 134,990 Value ($000) $8,031 Avg Close $56.42 Range $51.10 - $60.52

Q2 2016

Shares 98,257 Value ($000) $5,160 Avg Close $47.10 Range $41.19 - $53.55

Q1 2016

Shares 120,786 Value ($000) $5,054 Avg Close $37.61 Range $33.03 - $41.93

Q4 2015

Shares 155,431 Value ($000) $6,452 Avg Close $40.86 Range $37.40 - $43.76

Q3 2015

Shares 154,056 Value ($000) $5,941 Avg Close $40.86 Range $35.33 - $46.00

Q2 2015

Shares 151,215 Value ($000) $5,859 Avg Close $35.83 Range $32.33 - $39.91

Q1 2015

Shares 148,971 Value ($000) $4,913 Avg Close $28.75 Range $25.12 - $33.16

Q4 2014

Shares 116,876 Value ($000) $3,077 Avg Close $24.68 Range $21.03 - $27.15

Q3 2014

Shares 109,481 Value ($000) $2,330 Avg Close $22.83 Range $19.30 - $24.75

Q2 2014

Shares 94,849 Value ($000) $2,238 Avg Close $24.80 Range $21.45 - $28.78

Q1 2014

Shares 85,030 Value ($000) $2,322 Avg Close $28.52 Range $25.08 - $32.20

Q4 2013

Shares 23,145 Value ($000) $676 Avg Close $27.99 Range $25.42 - $29.66

Q3 2013

Shares 25,473 Value ($000) $679 Avg Close $24.65 Range $21.21 - $27.17

Q2 2013

Shares 267,852 Value ($000) $5,678 Avg Close $21.04 Range $19.03 - $22.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	18,697	$2,432	$143.19	$129.77 - $157.72
Q3 2025	17,280	$2,550	$151.39	$135.34 - $172.55
Q2 2025	18,189	$3,060	$159.72	$133.70 - $174.50
Q1 2025	18,517	$3,085	$173.51	$159.29 - $194.88
Q4 2024	19,743	$3,264	$157.91	$131.60 - $180.97
Q3 2024	51,598	$6,880	$116.03	$101.61 - $135.78
Q2 2024	49,948	$6,290	$131.69	$112.85 - $147.89
Q1 2024	67,364	$9,892	$129.12	$107.57 - $153.93
Q4 2023	116,712	$13,680	$93.21	$75.22 - $122.60
Q3 2023	30,550	$2,679	$116.39	$83.03 - $164.16
Q2 2023	33,262	$5,473	$174.09	$153.35 - $198.00
Q1 2023	15,279	$2,820	$168.70	$144.51 - $184.97
Q4 2022	15,755	$2,331	$137.60	$108.89 - $150.87
Q3 2022	20,395	$2,879	$146.09	$122.68 - $172.74
Q2 2022	47,368	$6,189	$133.79	$112.07 - $154.51
Q1 2022	57,305	$8,341	$192.01	$133.94 - $291.15
Q4 2021	72,832	$21,324	$284.79	$262.52 - $305.21
Q3 2021	76,971	$20,837	$271.15	$241.42 - $288.27
Q2 2021	85,581	$20,749	$228.17	$205.10 - $250.49
Q1 2021	137,428	$31,563	$251.21	$217.65 - $284.86
Q4 2020	142,101	$38,137	$249.38	$218.23 - $273.33
Q3 2020	221,102	$52,193	$224.17	$203.81 - $248.88
Q2 2020	362,570	$82,663	$219.47	$173.15 - $258.00
Q1 2020	121,122	$21,453	$171.51	$143.90 - $187.85
Q4 2019	109,289	$17,274	$150.33	$140.16 - $160.06
Q3 2019	126,296	$18,791	$151.90	$139.36 - $160.25
Q2 2019	183,136	$27,256	$137.22	$118.93 - $148.93
Q1 2019	213,698	$29,550	$125.54	$101.87 - $139.48
Q4 2018	139,847	$15,015	$111.51	$98.23 - $126.89
Q3 2018	141,321	$17,600	$110.93	$96.14 - $124.74
Q2 2018	281,643	$27,502	$95.08	$83.16 - $102.32
Q1 2018	313,998	$27,616	$87.17	$80.69 - $96.45
Q4 2017	247,347	$20,974	$86.74	$84.05 - $91.04
Q3 2017	153,841	$13,317	$88.42	$81.01 - $100.00
Q2 2017	154,159	$14,055	$91.81	$82.71 - $104.71
Q1 2017	161,776	$15,087	$82.32	$66.79 - $96.68
Q4 2016	153,519	$10,347	$61.46	$53.78 - $68.88
Q3 2016	134,990	$8,031	$56.42	$51.10 - $60.52
Q2 2016	98,257	$5,160	$47.10	$41.19 - $53.55
Q1 2016	120,786	$5,054	$37.61	$33.03 - $41.93
Q4 2015	155,431	$6,452	$40.86	$37.40 - $43.76
Q3 2015	154,056	$5,941	$40.86	$35.33 - $46.00
Q2 2015	151,215	$5,859	$35.83	$32.33 - $39.91
Q1 2015	148,971	$4,913	$28.75	$25.12 - $33.16
Q4 2014	116,876	$3,077	$24.68	$21.03 - $27.15
Q3 2014	109,481	$2,330	$22.83	$19.30 - $24.75
Q2 2014	94,849	$2,238	$24.80	$21.45 - $28.78
Q1 2014	85,030	$2,322	$28.52	$25.08 - $32.20
Q4 2013	23,145	$676	$27.99	$25.42 - $29.66
Q3 2013	25,473	$679	$24.65	$21.21 - $27.17
Q2 2013	267,852	$5,678	$21.04	$19.03 - $22.70