Outset Medical (OM) director Karen Prange files Form 3 showing no share ownership

Rhea-AI Filing Summary

Outset Medical, Inc. director reports no beneficial ownership. Karen Prange, identified as a director of Outset Medical, Inc. (symbol OM), filed an initial statement of beneficial ownership of securities as of 01/09/2026. The filing states that no securities are beneficially owned, and both the non-derivative and derivative securities tables contain no holdings. The form is filed by a single reporting person and includes a power of attorney authorizing execution of the filing on her behalf.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Prange Karen

(Last) (First) (Middle)

3052 ORCHARD DRIVE

(Street)

SAN JOSE CA 95134

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/09/2026

3. Issuer Name and Ticker or Trading Symbol
Outset Medical, Inc. [ OM ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	By: John L Brottem For: Karen Prange	01/12/2026
	** 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 5 (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.

FAQ

What does Outset Medical (OM) disclose about Karen Prange's holdings in this Form 3?

The Form 3 for Outset Medical, Inc. (OM) reports that director Karen Prange has no securities beneficially owned, with both non-derivative and derivative holdings tables left without any reported positions.

What is Karen Prange’s relationship to Outset Medical (OM)?

Karen Prange is identified as a director of Outset Medical, Inc. on the Form 3. She is not listed as an officer or a 10% owner in this filing.

Does this Outset Medical (OM) Form 3 show any insider transactions?

No insider transactions are shown. The Form 3 serves as an initial statement of beneficial ownership and the accompanying data includes an empty transactions list and an explicit note that no securities are beneficially owned.

Why is a Form 3 filed when no Outset Medical (OM) shares are owned?

Form 3 is required when someone becomes a director, officer, or large shareholder. Even though this filing for Outset Medical (OM) reports that no securities are beneficially owned by Karen Prange, it still documents her status as a director.

Who signed the Form 3 for Outset Medical (OM) on behalf of Karen Prange?

The Form 3 indicates that it was signed "By: John L Brottem For: Karen Prange", and references Exhibit 24 - Power of Attorney, which authorizes the signing of the form on her behalf.

What is the event date for Karen Prange’s Form 3 at Outset Medical (OM)?

The Form 3 lists 01/09/2026 as the Date of Event Requiring Statement, which is typically the date she became a reporting person, such as when she took the role of director at Outset Medical, Inc.