United States Healthcare Equipment & Supplies

Masimo Corp (MASI)

Track

The most recent insider trading activity at Masimo Corp occurred on January 28, 2026, involving planned sales by officer Sampath Anand. These transactions follow a series of divestments by various insiders throughout late 2025. No insider buying or selling activity has been reported in the last three months.
Ticker: MASI Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Masimo Corp. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Planned sale 28 Jan 2026
Value US$1,831,667.67 | Price 259.31 | Shares 19,830 (-19.8%)
Planned sale 28 Jan 2026
Value US$733,295.89 | Price 438.16 | Shares 44,643 (+38.6%)
Planned sale 28 Jan 2026
Value US$1,628,341.44 | Price 136.56 | Shares 11,924 (-20.0%)
Proposed sale 28 Jan 2026
Value US$2,555,567.00 | Price 136.81 | Shares 18,680
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-01-30 2026-01-28 PlS Planned sale
Sampath Anand

EVP, Ops & Clinical Research

Officer
19,830 -19.8%
259.31
US$1,831,668 		19,830 -19.8% 259.31 US$1,831,668
2026-01-30 2026-01-28 PlS Planned sale
Sampath Anand

EVP, Ops & Clinical Research

Officer
44,643 +38.6%
438.16
US$733,296 		44,643 +38.6% 438.16 US$733,296
2026-01-30 2026-01-28 PlS Planned sale
Sampath Anand

EVP, Ops & Clinical Research

Officer
65,906 -22.3%
480.96
US$2,195,474 		65,906 -22.3% 480.96 US$2,195,474
2026-01-28 2026-01-28 PrS Proposed sale
Sampath Anand

Officer

Officer
18,680
136.81
US$2,555,567 		18,680 136.81 US$2,555,567
2025-12-11 2025-12-11 PrS Proposed sale
Tripodi Blair

Former Affiliate
17,118
142.00
US$2,430,756 		17,118 142.00 US$2,430,756
2025-11-28 2025-11-28 PrS Proposed sale
Ahmed Omar

Officer

Officer
3,229
142.79
US$461,069 		3,229 142.79 US$461,069
2025-09-29 2025-09-29 PrS Proposed sale
Muhsin Bilal

Former Affiliate
25,061
141.80
US$3,553,637 		25,061 141.80 US$3,553,637
2025-09-26 2025-09-26 PrS Proposed sale
Muhsin Bilal

Former Affiliate
50,000
141.88
US$7,093,910 		50,000 141.88 US$7,093,910
2025-09-23 2025-09-23 PrS Proposed sale
Muhsin Bilal

Former Affiliate
25,000
140.76
US$3,518,983 		25,000 140.76 US$3,518,983
2025-08-14 2025-08-13 B Purchase
2.3
Brennan Michelle

Chairman of the Board

Non-Executive Director
100 +1.4%
155.25
US$15,525 		100 +1.4% 155.25 US$15,525
2025-08-14 2025-08-12 B Purchase
2.3
Brennan Michelle

Chairman of the Board

Non-Executive Director
100 +1.4%
150.35
US$15,035 		100 +1.4% 150.35 US$15,035
2025-08-12 2025-08-11 B Purchase
2.4
Jellison William R
Non-Executive Director
3,000 +167.6%
145.98
US$437,940 		3,000 +167.6% 145.98 US$437,940
2025-05-13 2025-05-13 PrS Proposed sale
3.4
REYNOLDS CRAIG B

Former Director

Non-Executive Director
16,443
164.00
US$2,696,652 		16,443 164.00 US$2,696,652
2025-05-14 2025-05-12 PlS Planned sale
Muhsin Bilal

Chief Operating Officer

Officer
525 -2.1%
164.96
US$86,605 		525 -2.1% 164.96 US$86,605
2025-05-14 2025-05-12 PlS Planned sale
Muhsin Bilal

Chief Operating Officer

Officer
5,594 -18.5%
163.51
US$914,664 		5,594 -18.5% 163.51 US$914,664
2025-05-14 2025-05-12 PlS Planned sale
Muhsin Bilal

Chief Operating Officer

Officer
3,881 -11.4%
162.72
US$631,512 		3,881 -11.4% 162.72 US$631,512
2025-05-12 2025-05-12 PrS Proposed sale
Muhsin Bilal

Officer

Officer
10,000
163.24
US$1,632,386 		10,000 163.24 US$1,632,386
2025-05-12 2025-05-12 PrS Proposed sale
Chapek Robert A

Former Affiliate
3,455
163.42
US$564,616 		3,455 163.42 US$564,616
2025-04-24 2025-04-24 PrS Proposed sale
McClenahan Thomas Samuel

Former Officer

Officer
26,300
162.95
US$4,285,475 		26,300 162.95 US$4,285,475
2025-03-14 2025-03-14 PrS Proposed sale
3.4
REYNOLDS CRAIG B

Director

Non-Executive Director
2,053
166.13
US$341,068 		2,053 166.13 US$341,068
2025-03-14 2025-03-14 PlS Planned sale
3.4
REYNOLDS CRAIG B
Non-Executive Director
2,053 -11.0%
166.13
US$341,068 		2,053 -11.0% 166.13 US$341,068
2025-03-12 2025-03-10 PlS Planned sale
Muhsin Bilal

Chief Operating Officer

Officer
1,716 -6.6%
171.76
US$294,740 		1,716 -6.6% 171.76 US$294,740
2025-03-12 2025-03-10 PlS Planned sale
Muhsin Bilal

Chief Operating Officer

Officer
6,965 -21.2%
170.86
US$1,190,040 		6,965 -21.2% 170.86 US$1,190,040
2025-03-12 2025-03-10 PlS Planned sale
Muhsin Bilal

Chief Operating Officer

Officer
1,761 -5.1%
169.37
US$298,261 		1,761 -5.1% 169.37 US$298,261
2025-03-12 2025-03-10 PlS Planned sale
Muhsin Bilal

Chief Operating Officer

Officer
1,700 -4.7%
167.97
US$285,549 		1,700 -4.7% 167.97 US$285,549
2025-03-12 2025-03-10 PlS Planned sale
Muhsin Bilal

Chief Operating Officer

Officer
1,436 -3.8%
166.71
US$239,396 		1,436 -3.8% 166.71 US$239,396
2025-03-12 2025-03-10 PlS Planned sale
Muhsin Bilal

Chief Operating Officer

Officer
10,087 -21.1%
166.03
US$1,674,745 		10,087 -21.1% 166.03 US$1,674,745
2025-03-12 2025-03-10 PlS Planned sale
Muhsin Bilal

Chief Operating Officer

Officer
3,935 -7.6%
165.18
US$649,983 		3,935 -7.6% 165.18 US$649,983
2025-03-12 2025-03-10 PlS Planned sale
Muhsin Bilal

Chief Operating Officer

Officer
2,400 -4.4%
163.28
US$391,872 		2,400 -4.4% 163.28 US$391,872
2025-03-10 2025-03-10 PrS Proposed sale
Muhsin Bilal

Officer

Officer
30,000
167.48
US$5,024,549 		30,000 167.48 US$5,024,549
2025-03-03 2025-03-03 PrS Proposed sale
McClenahan Thomas Samuel

Officer

Officer
49,000
191.13
US$9,365,578 		49,000 191.13 US$9,365,578
2025-03-03 2025-02-28 PrS Proposed sale
Levy Tao

Former Affiliate
36,537
187.67
US$6,856,889 		36,537 187.67 US$6,856,889
2025-01-07 2025-01-07 PrS Proposed sale
4.3
KIANI JOE E

Former Affiliate
302,165
165.65
US$50,052,375 		302,165 165.65 US$50,052,375
2024-12-16 2024-12-16 PrS Proposed sale
Levy Tao

Former Affiliate
15,072
176.73
US$2,663,664 		15,072 176.73 US$2,663,664
2024-04-30 2024-04-26 PlS Planned sale
3.4
REYNOLDS CRAIG B
Non-Executive Director
40,000 -84.4%
136.17
US$5,446,616 		40,000 -84.4% 136.17 US$5,446,616
2024-04-26 2024-04-26 PrS Proposed sale
3.4
REYNOLDS CRAIG B

Director

Non-Executive Director
40,000
136.17
US$5,446,615 		40,000 136.17 US$5,446,615
2023-05-30 2023-05-25 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
500 +0.1%
158.19
US$79,094 		500 +0.1% 158.19 US$79,094
2023-05-30 2023-05-25 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
2,265 +0.6%
157.53
US$356,814 		2,265 +0.6% 157.53 US$356,814
2023-05-30 2023-05-25 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
3,600 +1.0%
156.79
US$564,435 		3,600 +1.0% 156.79 US$564,435
2022-12-19 2022-12-15 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
1,541 +3.4%
146.23
US$225,340 		1,541 +3.4% 146.23 US$225,340
2022-12-19 2022-12-15 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
2,039 +4.7%
145.22
US$296,097 		2,039 +4.7% 145.22 US$296,097
2022-12-19 2022-12-15 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
2,397 +5.9%
144.19
US$345,616 		2,397 +5.9% 144.19 US$345,616
2022-12-19 2022-12-15 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
1,063 +2.7%
143.27
US$152,300 		1,063 +2.7% 143.27 US$152,300
2022-11-15 2022-11-14 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
300 +0.8%
124.99
US$37,497 		300 +0.8% 124.99 US$37,497
2022-11-15 2022-11-14 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
16,537 +72.1%
124.45
US$2,057,952 		16,537 +72.1% 124.45 US$2,057,952
2022-11-15 2022-11-14 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
15,157 +194.7%
123.48
US$1,871,561 		15,157 +194.7% 123.48 US$1,871,561
2022-11-15 2022-11-11 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
1,100 +16.5%
130.56
US$143,613 		1,100 +16.5% 130.56 US$143,613
2022-11-15 2022-11-11 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
2,514 +60.3%
129.90
US$326,572 		2,514 +60.3% 129.90 US$326,572
2022-11-15 2022-11-11 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
2,969 +247.2%
128.86
US$382,586 		2,969 +247.2% 128.86 US$382,586
2022-11-15 2022-11-11 B Purchase
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
1,201 +inf%
127.80
US$153,484 		1,201 +inf% 127.80 US$153,484
2022-01-26 2022-01-24 PlS Planned sale
Mikkelson Adam
Non-Executive Director
600 -25.5%
214.80
US$128,880 		600 -25.5% 214.80 US$128,880
2022-01-20 2022-01-18 PlS Planned sale
Mikkelson Adam
Non-Executive Director
600 -20.3%
228.70
US$137,220 		600 -20.3% 228.70 US$137,220
2022-01-12 2022-01-10 PlS Planned sale
Mikkelson Adam
Non-Executive Director
600 -16.9%
250.01
US$150,006 		600 -16.9% 250.01 US$150,006
2021-12-08 2021-12-06 PlS Planned sale
Levy Tao

EVP, Bus Dev

Officer
3,000 -20.6%
275.47
US$826,410 		3,000 -20.6% 275.47 US$826,410
2021-11-19 2021-11-19 S Sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
8,416 -1.6%
300.83
US$2,531,807 		8,416 -1.6% 300.83 US$2,531,807
2021-11-19 2021-11-18 S Sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
20,399 -3.8%
300.05
US$6,120,761 		20,399 -3.8% 300.05 US$6,120,761
2021-11-19 2021-11-17 PlS Planned sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
32,597 -5.7%
300.54
US$9,796,614 		32,597 -5.7% 300.54 US$9,796,614
2021-11-16 2021-11-16 S Sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
2,440 -0.4%
300.01
US$732,036 		2,440 -0.4% 300.01 US$732,036
2021-11-16 2021-11-15 S Sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
27,599 -4.6%
301.36
US$8,317,265 		27,599 -4.6% 301.36 US$8,317,265
2021-11-16 2021-11-12 PlS Planned sale
Young Micah W

EVP & Chief Financial Officer

Officer
3,700 -25.4%
298.00
US$1,102,600 		3,700 -25.4% 298.00 US$1,102,600
2021-11-16 2021-11-12 PlS Planned sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
8,549 -1.4%
300.03
US$2,564,970 		8,549 -1.4% 300.03 US$2,564,970
2021-11-05 2021-11-04 S Sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
4,173 -0.7%
290.16
US$1,210,854 		4,173 -0.7% 290.16 US$1,210,854
2021-11-05 2021-11-03 PlS Planned sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
200 -0.0%
290.17
US$58,035 		200 -0.0% 290.17 US$58,035
2021-11-02 2021-11-02 S Sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
15,223 -2.4%
291.46
US$4,436,826 		15,223 -2.4% 291.46 US$4,436,826
2021-11-02 2021-11-02 S Sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
8,223 -100.0%
291.46
US$2,396,638 		8,223 -100.0% 291.46 US$2,396,638
2021-11-02 2021-11-01 S Sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
3,429 -29.4%
290.08
US$994,675 		3,429 -29.4% 290.08 US$994,675
2021-11-02 2021-10-29 PlS Planned sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
18,967 -61.9%
290.97
US$5,518,779 		18,967 -61.9% 290.97 US$5,518,779
2021-10-28 2021-10-27 S Sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
19,853 -25.5%
290.55
US$5,768,192 		19,853 -25.5% 290.55 US$5,768,192
2021-10-28 2021-10-26 S Sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
27,332 -47.2%
291.23
US$7,959,904 		27,332 -47.2% 291.23 US$7,959,904
2021-10-28 2021-10-26 PlS Planned sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
2,600 -3.2%
290.10
US$754,266 		2,600 -3.2% 290.10 US$754,266
2021-05-04 2021-05-03 PP Planned purchase
McClenahan Thomas Samuel

EVP, GEN COUNSEL & CORP SEC

Officer
500 +2.2%
230.00
US$115,000 		500 +2.2% 230.00 US$115,000
2021-05-04 2021-04-30 PP Planned purchase
McClenahan Thomas Samuel

EVP, GEN COUNSEL & CORP SEC

Officer
500 +2.3%
233.24
US$116,620 		500 +2.3% 233.24 US$116,620
2021-04-12 2021-04-08 PlS Planned sale
Young Micah W

EVP & Chief Financial Officer

Officer
2,087 -12.5%
239.00
US$498,793 		2,087 -12.5% 239.00 US$498,793
2021-01-14 2021-01-12 PlS Planned sale
4.3
KIANI JOE E

CEO and Chairman of the Board

Executive Director
3,403 -4.1%
280.32
US$953,943 		3,403 -4.1% 280.32 US$953,943
2021-01-13 2021-01-11 PlS Planned sale
3.4
REYNOLDS CRAIG B
Non-Executive Director
10,000 -69.9%
279.74
US$2,797,412 		10,000 -69.9% 279.74 US$2,797,412
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