Outset Medical: BML buys 228,334 shares on October 1

The 10% owner reported purchases through the fund, which directly owns the shares.

Rhea-AI Filing Summary

Outset Medical, Inc. reported that BML Investment Partners, L.P. purchased 228,334 shares on October 1, 2026, in multiple transactions at $2.90 to $3.85 per share, averaging $3.53. The fund purchased 16,575 shares on October 2, 2026, at an average $3.8758 per share.

BML Capital Management, LLC is the fund’s general partner. Leonard Braden Michael, a 10% owner and the general partner’s managing member, exercises investment and voting control over the shares but disclaims beneficial ownership except to the extent of his pecuniary interest.

Insider Trade Summary

Net Buyer: 244,909 shares

Net Buy 2 txns

Insider Leonard Braden Michael

Role 10% Owner

Bought 244,909 shs ($870K)

Type	Security	Shares	Price	Value
Purchase	Common Stock F3, F1	16,575	$3.8758	$64K
Purchase	Common Stock F2, F1	228,334	$3.53	$806K

Holdings After Transaction: Common Stock — 2,764,610 shares (Indirect, Holdings of BML Investment Partners, L.P.)

Footnotes (3)

1. F1. BML Capital Management, LLC ("BML Capital") serves as the general partner of BML Investment Partners, L.P., a Delaware limited partnership (the "Fund"), which is the direct owner of the subject shares. Mr. Leonard is the managing member of BML Capital, and exercises investment and voting control over the subject shares. Accordingly, shares owned directly by the Fund may be regarded as being beneficially owned by Mr. Leonard. Notwithstanding, Mr. Leonard disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.
2. F2. The shares were purchased in multiple transactions between $2.90 and $3.85 with an average price of $3.53.
3. F3. The shares were purchased in multiple transactions at an average price of $3.8758 per share.

Key Figures

Shares purchased: 228,334 shares Average purchase price: $3.53 per share Shares purchased: 16,575 shares +1 more

4 metrics

Shares purchased 228,334 shares October 1, 2026

Average purchase price $3.53 per share October 1, 2026; multiple transactions between $2.90 and $3.85 per share

Shares purchased 16,575 shares October 2, 2026

Average purchase price $3.8758 per share October 2, 2026; multiple transactions

Key Terms

beneficially owned, pecuniary interest, general partner

3 terms

beneficially owned regulatory

"may be regarded as being beneficially owned by Mr. Leonard"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

pecuniary interest regulatory

"except to the extent of his pecuniary interest therein"

general partner financial

"serves as the general partner of BML Investment Partners, L.P."

A general partner is the person or firm that runs an investment partnership and legally represents it — they make the day-to-day decisions, choose which assets to buy or sell, and are responsible for the partnership’s obligations. Investors care because the general partner’s judgment, risk-taking and fee and profit-sharing arrangements determine both the potential returns and the level of exposure to losses; think of the GP as the ship’s captain whose skill and honesty shape the voyage’s outcome.

FAQ

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

How many OM shares did BML Investment Partners buy, and at what prices?

BML Investment Partners, L.P. purchased 228,334 shares on October 1, 2026, in multiple transactions between $2.90 and $3.85 per share, averaging $3.53. It purchased 16,575 shares on October 2, 2026, at an average $3.8758 per share. No Rule 10b5-1 plan is reported.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 10/05/2026 - 07:25 PM Accepted by SEC EDGAR 10/05/2026 - 07:24 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Leonard Braden Michael

(Last) (First) (Middle)

65 E CEDAR - SUITE 2

(Street)

ZIONSVILLE INDIANA 46077

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2026

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

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

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

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/01/2026	10/01/2026	P		228,334	A	$3.53(2)	2,748,035	I	Holdings of BML Investment Partners, L.P.(1)
Common Stock	10/02/2026	10/02/2026	P		16,575	A	$3.8758(3)	2,764,610	I	Holdings of BML Investment Partners, L.P.(1)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. BML Capital Management, LLC ("BML Capital") serves as the general partner of BML Investment Partners, L.P., a Delaware limited partnership (the "Fund"), which is the direct owner of the subject shares. Mr. Leonard is the managing member of BML Capital, and exercises investment and voting control over the subject shares. Accordingly, shares owned directly by the Fund may be regarded as being beneficially owned by Mr. Leonard. Notwithstanding, Mr. Leonard disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

2. The shares were purchased in multiple transactions between $2.90 and $3.85 with an average price of $3.53.

3. The shares were purchased in multiple transactions at an average price of $3.8758 per share.

	Braden M Leonard	10/05/2026
	** 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 4 (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.
* Form 4: SEC 1474 (03-26)