United States Healthcare Equipment & Supplies

Masimo Corp (MASI)

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The most recent insider trading activity occurred on January 28, 2026, with significant planned and proposed sales by EVP, Ops & Clinical Research, Sampath Anand, totaling over $5.1 million. Prior to this, other officers and former affiliates also engaged in proposed sales throughout late 2025. The most recent purchase activity was in August 2025.
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Ticker: MASI Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Sampath Anand
EVP, Ops & Clinical Research
4 sales — total 5,111,137 USD
Planned sale 28 Jan 2026
Value US$1,831,667.67 | Price 259.31 | Shares 19,830
Planned sale 28 Jan 2026
Value US$733,295.89 | Price 438.16 | Shares 44,643
Planned sale 28 Jan 2026
Value US$1,628,341.44 | Price 136.56 | Shares 11,924
Proposed sale 28 Jan 2026
Value US$2,555,567.00 | Price 136.81 | Shares 18,680
Proposed sale 11 Dec 2025
Value US$391,988.79 | Price 280.87 | Shares 53,390
Proposed sale 28 Nov 2025
Value US$461,069.00 | Price 142.79 | Shares 3,229
Proposed sale 29 Sep 2025
Value US$3,553,637.00 | Price 141.80 | Shares 25,061
Proposed sale 26 Sep 2025
Value US$7,093,910.00 | Price 141.88 | Shares 50,000
Proposed sale 23 Sep 2025
Value US$3,518,983.00 | Price 140.76 | Shares 25,000
Buy 13 Aug 2025
Value US$15,525.00 | Price 155.25 | Shares 100
Buy 12 Aug 2025
Value US$15,035.00 | Price 150.35 | Shares 100
Buy 11 Aug 2025
Value US$437,940.00 | Price 145.98 | Shares 3,000
Proposed sale 13 May 2025
Value US$2,696,652.00 | Price 164.00 | Shares 16,443
Planned sale 12 May 2025
Value US$86,605.05 | Price 164.96 | Shares 525
Planned sale 12 May 2025
Value US$914,663.75 | Price 163.51 | Shares 5,594
Planned sale 12 May 2025
Value US$631,512.44 | Price 162.72 | Shares 3,881
Proposed sale 12 May 2025
Value US$1,632,386.00 | Price 163.24 | Shares 10,000
Proposed sale 12 May 2025
Value US$564,616.00 | Price 163.42 | Shares 3,455
Proposed sale 24 Apr 2025
Value US$4,285,475.00 | Price 162.95 | Shares 26,300
Proposed sale 14 Mar 2025
Value US$341,068.00 | Price 166.13 | Shares 2,053
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
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