OM Form 144 Filed for 904-Share Sale from RSU Settlement

Rhea-AI Filing Summary

Outset Medical, Inc. insider filing reports a proposed Rule 144 sale of 904 shares of common stock via Morgan Stanley Smith Barney, with an aggregate market value of $11,643.52 and an approximate sale date of 08/15/2025. The shares were acquired the same day, 08/15/2025, as the settlement of vested restricted stock units issued as equity compensation for services rendered. The filer also disclosed a prior sale on 05/15/2025 of 935 shares for gross proceeds of $16,646.12. Outstanding common shares are listed as 17,766,193, indicating the transactions are a small fraction of total shares outstanding. The filing includes the standard attestation that the seller is not aware of undisclosed material adverse information.

Positive

• Disclosure filed under Rule 144, demonstrating regulatory compliance

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Routine Rule 144 disclosure of RSU settlement and planned small sale, consistent with standard insider compliance.

The filing shows an insider selling shares that were acquired through vested restricted stock units and publicly filing the required Rule 144 notice prior to an anticipated sale through a broker-dealer. The quantities involved (904 shares planned; 935 shares previously sold) are small relative to the reported 17.8 million shares outstanding, suggesting limited governance or control impact. The attestation regarding material non-public information is included, which aligns with compliance expectations for insider transactions.

Securities Analyst

TL;DR: Insider sale appears immaterial to capitalization; transaction stems from equity compensation vesting.

The security acquisition recorded as settlement of vested RSUs on 08/15/2025 and the planned broker-assisted sale indicate routine liquidity by an insider or service provider. The aggregate market value reported for the planned sale is $11,643.52, which is negligible versus total outstanding shares, so the direct market impact is likely minimal. The filing provides transparent historic activity with a prior disclosed sale on 05/15/2025.

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	904	11643.52	17766193	08/15/2025	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	08/15/2025	Settlement of Vested Restricted Stock Units	Issuer			1769	08/15/2025	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	05/15/2025	935	16646.12

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 the Form 144 filed for Outset Medical (OM) disclose?

The filing discloses a proposed sale of 904 shares of common stock, aggregate market value $11,643.52, via Morgan Stanley Smith Barney with an approximate sale date of 08/15/2025.

How were the shares being sold by the filer acquired?

The shares were acquired on 08/15/2025 as the settlement of vested restricted stock units, recorded as equity compensation for services rendered.

Has the filer sold shares recently before this filing?

Yes. The filing discloses a prior sale by Leslie Trigg on 05/15/2025 of 935 shares for gross proceeds of $16,646.12.

How large are these transactions relative to the company?

Outstanding common shares are listed as 17,766,193, so the planned sale of 904 shares is a very small fraction of total shares outstanding.

Through which broker will the planned sale be executed?

The planned sale is to be executed through Morgan Stanley Smith Barney LLC located at 1 New York Plaza, 38th Floor, New York, NY.