Sec Form 4 Filing - Trigg Leslie @ Outset Medical, Inc. - 2021-03-15

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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Trigg Leslie 2. Issuer Name and Ticker or Trading Symbol Outset Medical, Inc. [ OM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President & CEO (Last) (First) (Middle) 3052 ORCHARD DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 03/15/2021 (Street) SAN JOSE, CA95134 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction 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 03/15/2021 A 29,137 ( 2 ) A $ 0 192,383 ( 3 ) D Common Stock 03/15/2021 A 58,275 ( 4 ) A $ 0 250,658 ( 3 ) D Common Stock 8,770 I ( 1 ) Held by Trigg Family Trust U/A DTD 01/01/2002 ( 1 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 Stock Option (Right to Buy) $ 25.89 03/15/2021 A 57,937 ( 5 ) 03/14/2031 Common Stock 57,937 $ 0 57,937 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Trigg Leslie 3052 ORCHARD DRIVE SAN JOSE, CA95134 X President & CEO Signatures /s/ John Brottem, attorney-in-fact for Leslie Trigg 03/17/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These shares of common stock of the Issuer ("Shares") are held directly by The Trigg Family Trust U/A DTD 01/01/2002, for which the reporting person and her spouse serve as trustees. ( 2 )Represents restricted stock units ("RSU") granted to the reporting person on March 15, 2021. Each RSU represents a contingent right to receive one share of common stock. These RSUs shall vest 25% on March 15, 2022, then quarterly over three years on each February 15th, May 15th, August 15th and November 15th, subject to the reporting person's continuous service through the applicable vesting date. ( 3 )Includes 1,666 shares acquired under the Outset Medical Inc. Employee Stock Purchase Plan on February 28, 2021. ( 4 )Represents performance stock units ("PSU") granted to the reporting person on March 15, 2021. Each PSU represents a contingent right to receive one share of common stock. These PSUs shall vest (i) 50% on the last day of any period of 30 consecutive trading days during which the closing price is greater than $75.00 per share on each trading day during such period, subject to the reporting person's continued employment through the applicable vesting date and (ii) 50% shall vest on the last day of any period of 30 consecutive trading days during which the closing price is greater than $90.00 per share on each trading day during such period, subject to the reporting person's continued employment through the applicable vesting date. ( 5 )This option vests 25% on March 15, 2022, and then in 36 equal monthly installments thereafter, subject to the reporting person's continued employment through the applicable vesting date.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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