Outset Medical (OM) insider files to sell 11,794 shares via Rule 144

Rhea-AI Filing Summary

Outset Medical insider plans Rule 144 stock sale. A holder of Outset Medical (symbol OM) common stock, identified as Leslie Trigg, filed notice to sell 11,794 shares through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of 60,385.28. The filing states that 18,153,090 shares of common stock were outstanding. The shares to be sold come from 32,552 shares of common stock acquired on 01/17/2026 through settlement of vested restricted stock units as equity compensation for services rendered. In the past three months, the same seller reported two sales totaling 2,711 shares of common stock, generating combined gross proceeds of 11,878.25.

Insights

Equity markets and insider-transactions analyst

Form 144 shows a modest insider sale plan relative to shares outstanding.

This notice details a planned Rule 144 sale of 11,794 shares of Outset Medical common stock through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of 60,385.28. The seller acquired 32,552 shares on 01/17/2026 via settlement of vested restricted stock units as equity compensation, and 18,153,090 common shares were reported outstanding.

The filing also lists prior sales over the last three months: 916 shares on 11/17/2025 for gross proceeds of 4,213.60 and 1,795 shares on 01/07/2026 for 7,664.65. These are relatively small compared with the disclosed shares outstanding, suggesting this is routine liquidity activity rather than a transformational event. Overall, this appears to be a standard Rule 144 process for selling equity compensation shares.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	11794	60385.28	18153090	01/20/2026	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			32552	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
Leslie Trigg 3052 Orchard Drive San Jose CA 95134	Common Stock	11/17/2025	916	4213.60
Leslie Trigg 3052 Orchard Drive San Jose CA 95134	Common	01/07/2026	1795	7664.65

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does Outset Medical (OM) disclose in this Form 144 filing?

The filing discloses a planned sale under Rule 144 of 11,794 shares of Outset Medical common stock through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of 60,385.28.

Who is selling shares of Outset Medical (OM) and how many?

The seller is identified as Leslie Trigg, who filed to sell 11,794 shares of Outset Medical common stock and reported prior sales of 916 and 1,795 shares over the past three months.

How were the Outset Medical (OM) shares being sold acquired?

The 32,552 shares underlying this sale were acquired on 01/17/2026 through settlement of vested restricted stock units from the issuer as equity compensation for services rendered.

How many Outset Medical (OM) shares are reported outstanding in the filing?

The notice states that 18,153,090 shares of Outset Medical common stock were outstanding, providing context for the scale of the planned sale.

What recent sales by the same Outset Medical (OM) insider are reported?

Over the past three months, the filing reports that Leslie Trigg sold 916 shares of common stock on 11/17/2025 for 4,213.60 and 1,795 shares on 01/07/2026 for 7,664.65 in gross proceeds.

Which broker and exchange are involved in the planned Outset Medical (OM) share sale?

The planned Rule 144 sale is to be executed through Morgan Stanley Smith Barney LLC, with the shares listed for trading on NASDAQ.