OM insider plans sale of 1,180 shares

OM insider John Brottem has filed a Form 144 indicating an intention to sell 1,180 shares of common stock through Morgan Stanley Smith Barney LLC on NASDAQ around 01/21/2026.

Rhea-AI Filing Summary

OM insider John Brottem has filed a Form 144 indicating an intention to sell 1,180 shares of common stock through Morgan Stanley Smith Barney LLC on NASDAQ around 01/21/2026. The aggregate market value of these shares is listed as $5,913.82, compared with 18,153,090 shares of common stock outstanding. The shares to be sold stem from equity compensation: on 01/17/2026, Brottem acquired 17,997 shares via settlement of vested restricted stock units as payment for services.

Over the prior three months, Brottem has sold additional OM common stock, including 388 shares for $1,784.80 on 11/17/2025, 244 shares for $956.48 on 01/07/2026, and 9,314 shares for $47,682.76 on 01/20/2026. By signing the notice, the seller represents that he is not aware of undisclosed material adverse information about the issuer’s current or prospective operations.

FAQ

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

What does OM's Form 144 filed by John Brottem disclose?

It discloses that John Brottem intends to sell 1,180 shares of OM common stock through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of $5,913.82.

How many OM shares has John Brottem sold in the last three months?

Over the past three months, John Brottem sold 388 OM common shares for $1,784.80 on 11/17/2025, 244 shares for $956.48 on 01/07/2026, and 9,314 shares for $47,682.76 on 01/20/2026.

What is the source of the OM shares John Brottem plans to sell?

The shares come from equity compensation. On 01/17/2026, John Brottem acquired 17,997 OM common shares through settlement of vested restricted stock units as equity compensation for services rendered.

How many OM common shares are outstanding according to this Form 144?

The Form 144 states that there are 18,153,090 OM common shares outstanding.

What representation does the seller make in this OM Form 144?

The seller represents that he does not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.

On which exchange are the OM shares in this Form 144 expected to be sold?

The Form 144 indicates that the OM common stock covered by the notice is expected to be sold on the NASDAQ exchange.

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

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Accepted by SEC EDGAR 01/21/2026 - 06:25 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 Floor New York NY 10004	1180	5913.82	18153090	01/21/2026	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	01/17/2026	Settlement of Vested Restricted Stock Units	Issuer			17997	01/17/2026	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 Drive San Jose CA 95134	Common Stock	11/17/2025	388	1784.80
John Brottem 3052 Orchard Drive San Jose CA 95134	Common Stock	01/07/2026	244	956.48
John Brottem 3052 Orchard Drive San Jose CA 95134	Common	01/20/2026	9314	47682.76

144: Remarks and Signature

Remarks	Shares sold to cover tax withholding obligations in connection with the vesting of Restricted Stock Units. 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.
Date of Notice	01/21/2026
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)