Outset Medical EVP sells shares to cover taxes

Outset Medical, Inc. executive vice president Marc Nash reported an open-market sale of 1,582 shares of common stock at $3.70 per share.

Accepted by SEC EDGAR 05/19/2026 - 09:08 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Outset Medical, Inc. executive vice president Marc Nash reported an open-market sale of 1,582 shares of common stock at $3.70 per share. According to the footnote, this was a required “sell to cover” transaction to pay tax withholding on the vesting of 4,277 RSU shares and was not a discretionary trade. After the sale, Nash directly holds 38,393 shares of Outset Medical common stock.

Insider Trade Summary

Net Seller: 1,582 shares

Net Sell 1 txn

Insider Nash Marc

Role EVP Operations R&D & Service

Sold 1,582 shs ($6K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,582	$3.70	$6K

Holdings After Transaction: Common Stock — 38,393 shares (Direct)

Footnotes (2)

1. F1. Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 4,277 shares of Common Stock underlying RSUs granted to the reporting person on July 24, 2023, January 12, 2024 and June 10, 2025. 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.
2. F2. This balance reflects a correction to the number of shares of Common Stock sold by the reporting person to satisfy tax withholding obligations as previously reported on a Form 4 filed on February 19, 2026. Due to an administrative error, the prior Form 4 reported the sale of 1,817 shares instead of the correct number, 1,830 shares.

Key Figures

Shares sold: 1,582 shares Sale price: $3.70 per share Shares held after: 38,393 shares +2 more

5 metrics

Shares sold 1,582 shares Open-market sale on May 15, 2026

Sale price $3.70 per share Price for 1,582 sold shares

Shares held after 38,393 shares Direct holdings following the transaction

RSU shares vested 4,277 shares Common stock underlying RSUs triggering tax sale

Corrected prior sale amount 1,830 shares Previously misreported as 1,817 shares on Feb 19, 2026

Key Terms

sell to cover, RSUs, tax withholding obligations

3 terms

sell to cover financial

"This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction"

Sell to cover is when a person who receives company stock through options or awards sells just enough shares immediately to pay required taxes, exercise costs, or fees, keeping the rest. Think of it like cashing part of a bonus to cover the tax bill so you can keep the remainder. For investors, it can create predictable small selling pressure and slightly change the number of shares actually held by insiders without increasing long‑term dilution.

RSUs financial

"in connection with the vesting of an aggregate of 4,277 shares of Common Stock underlying RSUs granted"

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

tax withholding obligations financial

"Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Outset Medical (OM) executive Marc Nash report in this Form 4?

Marc Nash reported selling 1,582 shares of Outset Medical common stock at $3.70 per share. The filing states this was a mandatory sale to cover tax withholding tied to recently vested RSU awards, not a discretionary market trade.

Why did Marc Nash sell 1,582 shares of Outset Medical (OM) stock?

The shares were sold to satisfy tax withholding obligations on 4,277 shares that vested from RSU grants. The filing describes this as a “sell to cover” transaction, meaning shares were automatically sold to pay taxes rather than through a voluntary trading decision.

How many Outset Medical (OM) shares does Marc Nash hold after this transaction?

After the reported sale, Marc Nash directly holds 38,393 shares of Outset Medical common stock. This figure reflects his remaining position following the 1,582-share sale executed to cover tax withholding on vested RSU awards.

Which RSU grants were involved in Marc Nash’s tax-related sale at Outset Medical (OM)?

The tax-related sale was tied to the vesting of 4,277 RSU-based common shares from grants dated July 24, 2023, January 12, 2024, and June 10, 2025. The transaction was executed solely to cover associated tax withholding obligations.

Does the Outset Medical (OM) Form 4 indicate Marc Nash made a discretionary stock trade?

No. The Form 4 explicitly notes the 1,582-share sale was a “sell to cover” transaction to pay tax withholding on vested RSUs. It states the transaction does not represent a discretionary trade by Marc Nash in Outset Medical stock.

What correction to a prior Form 4 does Outset Medical (OM) disclose for Marc Nash?

The filing notes a correction to a previously reported tax-withholding sale on a February 19, 2026 Form 4. An administrative error had shown 1,817 shares sold; the correct number for that earlier sale was 1,830 shares of common stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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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^*

Nash Marc

(Last) (First) (Middle)

3052 ORCHARD DRIVE

(Street)

SAN JOSE CALIFORNIA 95134

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	EVP Operations R&D & Service

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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	05/15/2026		S		1,582(1)	D	$3.7	38,393(2)	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 4,277 shares of Common Stock underlying RSUs granted to the reporting person on July 24, 2023, January 12, 2024 and June 10, 2025. 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.

2. This balance reflects a correction to the number of shares of Common Stock sold by the reporting person to satisfy tax withholding obligations as previously reported on a Form 4 filed on February 19, 2026. Due to an administrative error, the prior Form 4 reported the sale of 1,817 shares instead of the correct number, 1,830 shares.

	John Brottem For: Marc Nash	05/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)