SAMPATH ANAND (Chief Operating Officer) sold 31.3% of their position (18.68K shares) of MASIMO CORP on the open market

Open‑market sale worth $2.56M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

SAMPATH ANAND

Filed: 1/30/2026ACC: 0000937556-26-000008

InsiderSAMPATH ANANDCIK 1406493

→

IssuerMASIMO CORPCIK 937556

Officer· Chief Operating Officer

Since Nov 2018

-18.68K

Net shares

Net seller

$2.56M

Total sold

Open market trades

0B · 3S

Total transactions

30K acquired · 48.68K disposed

Non-Derivative Transactions4

Common Stock

Direct

M · Option Exercise

+30K

Price / share

$37.84

Trade value

$1.14M

% of position

101.4%

1/28/2026

29.59K→59.59K

Common Stock

Direct

S · Sale

−11.92K

Price / share

$136.56

Trade value

$1.63M

% of position

20.0%

1/28/2026

59.59K→47.66K

Common Stock

Direct

S · Sale

−6.56K

Price / share

$137.22

Trade value

$900.16K

% of position

13.8%

1/28/2026

47.66K→41.10K

Common Stock

Direct

S · Sale

−196.00

Price / share

$138.09

Trade value

$27.07K

% of position

0.5%

1/28/2026

41.10K→40.91K

Total

Net shares

+11.32K

Net value

-$1.42M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	1/28/2026	M · Option Exercise	+30K	$37.84	$1.14M	101.4%	29.59K	59.59K
Common Stock Direct	1/28/2026	S · Sale	−11.92K	$136.56	$1.63M	20.0%	59.59K	47.66K
Common Stock Direct	1/28/2026	S · Sale	−6.56K	$137.22	$900.16K	13.8%	47.66K	41.10K
Common Stock Direct	1/28/2026	S · Sale	−196.00	$138.09	$27.07K	0.5%	41.10K	40.91K
Total			+11.32K		-$1.42M

Derivative Transactions1

Non-Qualified Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

30K shares

−30K

Strike price

37.84

Held after

0.00

Exercisable

—

1/28/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Non-Qualified Stock Option (Right to Buy) Direct	Common Stock30K shares	1/28/2026	M · Option Exercise	−30K	37.84	—	0.00