FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response...
0.5
                      
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * FITCH SANFORD 2. Issuer Name and Ticker or Trading Symbol MASIMO CORP [ MASI ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    _____ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)         (First)         (Middle)
C/O MASIMO CORPORATION, 52 DISCOVERY
3. Date of Earliest Transaction (MM/DD/YYYY)
4/30/2020
(Street)
IRVINE, CA 92618
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock  4/30/2020    M    10000  A $21.97 (1) 54245  D   
Common Stock  4/30/2020    F(1)    1027  D $213.91  53218  D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (Right to Buy)  $21.97 (1) 4/30/2020    M        10000   5/28/2014 (2) 5/28/2023  Common Stock  10000.0  $0 (1) 0  D   

Explanation of Responses:
(1)  The Reporting Person paid the exercise price by delivering shares of the Issuer's common stock and a cash payment of $14.43 for the remaining fractional share.
(2)  This option was granted on May 28, 2013 and is exercisable as the option vests. This option vested over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
FITCH SANFORD
C/O MASIMO CORPORATION
52 DISCOVERY
IRVINE, CA 92618
X



Signatures
/s/ David J. Van Ramshorst, Attorney-In-Fact 5/4/2020
**Signature of Reporting Person Date
Masimo (NASDAQ:MASI)
Historical Stock Chart
From Jul 2020 to Aug 2020 Click Here for more Masimo Charts.
Masimo (NASDAQ:MASI)
Historical Stock Chart
From Aug 2019 to Aug 2020 Click Here for more Masimo Charts.