Outset Medical insider plans NASDAQ stock sale

Outset Medical (OM) has a notice of proposed sale of common stock by reporting person John Brottem.

Rhea-AI Filing Summary

Outset Medical (OM) has a notice of proposed sale of common stock by reporting person John Brottem. The filing lists 2,562 shares of common stock to be sold through Morgan Stanley Smith Barney LLC on August 17, 2026, with an aggregate market value of $11,549.17. It also notes the settlement of 5,033 vested restricted stock units as equity compensation for services rendered, with the same August 17, 2026 date. In the prior three months, the reporting person sold 2,638 shares of common stock on May 15, 2026 for $9,760.60.

Key Figures

Shares to be sold: 2,562 shares Aggregate market value: $11,549.17 Vested RSUs settled: 5,033 shares +3 more

6 metrics

Shares to be sold 2,562 shares Common stock proposed sale through Morgan Stanley Smith Barney LLC

Aggregate market value $11,549.17 Value of 2,562 shares of common stock proposed for sale

Vested RSUs settled 5,033 shares Settlement of vested restricted stock units as equity compensation

Prior 3-month sale amount 2,638 shares Common stock sold on May 15, 2026 during past three months

Proceeds from prior sale $9,760.60 Total for 2,638 shares sold on May 15, 2026

Planned sale date August 17, 2026 Date for proposed sale and RSU settlement

Key Terms

Form 144, Restricted Stock Units, Equity Compensation, Securities Sold During The Past 3 Months

4 terms

Form 144 regulatory

"144: Filer Information | | | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Units financial

"Settlement of Vested Restricted Stock Units | Issuer"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Equity Compensation financial

"08/17/2026 | Equity Compensation for services rendered"

Equity compensation is pay given to employees, executives or contractors in the form of company ownership—such as stock, stock options or restricted shares—rather than just cash. It matters to investors because it can align workers' incentives with shareholders (like paying someone in slices of the same pie they help grow), but it also increases the number of shares outstanding and company expenses, affecting ownership percentages and earnings per share.

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

FAQ

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

What stock sale is disclosed in Outset Medical (OM)'s Form 144?

The filing discloses a proposed sale of 2,562 shares of Outset Medical common stock through Morgan Stanley Smith Barney LLC, with an aggregate market value of $11,549.17, planned for August 17, 2026.

Who is the reporting person in the Outset Medical (OM) Form 144 filing?

The reporting person is John Brottem, associated with sales and equity awards of Outset Medical common stock, including past sales and settlement of vested restricted stock units listed in the notice.

What equity compensation is reported for Outset Medical (OM) in this filing?

The document reports a settlement of 5,033 vested restricted stock units of Outset Medical common stock as equity compensation for services rendered, with a transaction date of August 17, 2026.

What prior stock sales by the reporting person are disclosed for OM?

The filing lists a prior sale of 2,638 shares of Outset Medical common stock on May 15, 2026, with total proceeds of $9,760.60 during the preceding three months.

On which market is the Outset Medical (OM) stock involved in this Form 144 listed?

The common stock referenced in the filing is listed on NASDAQ, as indicated in the securities information section alongside the proposed sale details.

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

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Available on EDGAR 08/14/2026 - 09:19 PM Accepted by SEC EDGAR 08/14/2026 - 09:19 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001823381
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Outset Medical, Inc.
SEC File Number	001-39513
Address of Issuer	3052 ORCHARD DRIVE SAN JOSE CALIFORNIA 95134
Phone	669-231-8200
Name of Person for Whose Account the Securities are To Be Sold	Brottem John L.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Morgan Stanley Smith Barney LLC 1 New York Plaza 38th Fl. New York NY 10004	2562	11549.17	18800114	08/17/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	08/15/2026	Settlement of Vested Restricted Stock Units	Issuer			5033	08/17/2026	Equity Compensation for services rendered

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
John Brottem 3052 Orchard Dr San Jose CA 95134	Common Stock	05/15/2026	2638	9760.60

144: Remarks and Signature

Remarks	This sale was made to satisfy tax withholding obligations through a sell to cover transaction in connection with the vesting of Restricted Stock Units and does not represent a discretionary trade by the reporting person.
Date of Notice	08/14/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ John L Brottem
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)