[Form 4] Outset Medical, Inc. Insider Trading Activity

Rhea-AI Filing Summary

John L. Brottem, General Counsel and director of Outset Medical, reported a routine sell-to-cover transaction on 08/15/2025. He sold 383 shares of Outset Medical common stock at $12.88 per share to satisfy tax withholding obligations arising from the vesting of 748 RSU shares awarded on January 6, 2023 and January 12, 2024. After the transaction, Brottem beneficially owned 46,883 shares directly. The filing specifies the sale was to cover taxes and was not a discretionary trade by the reporting person.

Insights

Securities Compliance Analyst

TL;DR: Routine sell-to-cover by an insider to satisfy RSU tax withholding; no material change to ownership.

The Form 4 shows a common, non-discretionary sell-to-cover of 383 shares at $12.88 per share to meet tax obligations tied to the vesting of 748 RSUs. Such transactions are customary and typically indicate no change in insider sentiment about company prospects. The report confirms direct beneficial ownership of 46,883 shares post-transaction, which remains sizable relative to a single insider but the filing provides no information on total outstanding shares or percent ownership.

Corporate Governance Specialist

TL;DR: Governance perspective: transparent disclosure of tax-related sale; transaction appears administrative rather than signaling.

The disclosure clearly states the sale was to satisfy withholding on RSU vesting from grants in 2023 and 2024 and "does not represent a discretionary trade." This language and the limited size of the sale suggest administrative intent. No other governance issues, such as unexpected departures or disposals, are indicated. The filing is complete for this event and follows Section 16 reporting requirements.

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Brottem John L.

(Last) (First) (Middle)

3052 ORCHARD DRIVE

(Street)

SAN JOSE CA 95134

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Outset Medical, Inc. [ OM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
08/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

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. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	08/15/2025		S		383(1)	D	$12.88	46,883	D

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		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: 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

Explanation of Responses:

1. Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 748 shares of Common Stock underlying RSUs granted to the reporting person on January 6, 2023, and January 12, 2024. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

	John L Brottem	08/18/2025
	** Signature of Reporting Person	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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did John L. Brottem report on Form 4 for Outset Medical (OM)?

He reported a sell-to-cover transaction of 383 shares of common stock on 08/15/2025 at $12.88 per share.

Why were the 383 shares sold according to the Form 4?

The sale was made to satisfy tax withholding obligations related to the vesting of 748 RSU shares granted on January 6, 2023 and January 12, 2024.

How many Outset Medical shares does Brottem own after the reported transaction?

Following the transaction he beneficially owned 46,883 shares directly.

Does the filing indicate the sale was a discretionary trade?

No. The filing states the sale was to cover taxes and does not represent a discretionary trade by the reporting person.

When was the Form 4 signed by the reporting person?

The Form 4 bears the reporting person signature date of 08/18/2025.