Form 144: Mario Schlosser proposes sale of 50,000 OSCR shares

Morgan Stanley Smith Barney LLC notice: proposed resale of Common Stock by Mario Schlosser.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC notice: proposed resale of Common Stock by Mario Schlosser. The filing lists 50,000 shares of Common stock associated with a 12/06/2012 acquisition and shows 34,120 shares sold in the past three months (06/02/2026). Dollar figures appear in the excerpt as $1,427,000.00 and $748,633.08.

Key Figures

Shares proposed for resale: 50,000 shares Shares sold in past 3 months: 34,120 shares Dollar amount (line item): $1,427,000.00 +2 more

5 metrics

Shares proposed for resale 50,000 shares listed with acquisition date 12/06/2012

Shares sold in past 3 months 34,120 shares sale dated 06/02/2026

Dollar amount (line item) $1,427,000.00 appears on same line as 50,000 shares in excerpt

Dollar amount for recent sales $748,633.08 appears with 34,120 shares sold on 06/02/2026

Broker-dealer Morgan Stanley Smith Barney LLC listed as executing broker at 1 New York Plaza

Key Terms

Form 144, restricted or control securities, selling during the past 3 months

3 terms

Form 144 regulatory

"Common | Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

restricted or control securities financial

"Securities To Be Sold | Gift | Mario Schlosser | 12/06/2012"

selling during the past 3 months regulatory

"Securities Sold During The Past 3 Months | 06/02/2026 | 34120"

FAQ

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

What does OSCR's Form 144 filed by Mario Schlosser report?

It reports a proposed resale of restricted or control securities by Mario Schlosser. The filing lists 50,000 shares and records 34,120 shares sold on 06/02/2026 with proceeds listed as $748,633.08 in the excerpt.

How many shares is Mario Schlosser offering under the Form 144 for OSCR?

The excerpt shows a proposed offering of 50,000 shares. The filing also records 34,120 shares sold during the past three months, dated 06/02/2026 in the provided text.

What proceeds or dollar amounts are shown on the Form 144 excerpt for OSCR?

The excerpt includes dollar figures of $1,427,000.00 and $748,633.08. These values appear alongside share counts and sale dates in the provided filing text.

Does the Form 144 excerpt indicate the broker or exchange for the sale?

Yes. The excerpt names Morgan Stanley Smith Barney LLC as the broker and indicates NYSE as the trading market in the provided content.

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

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Accepted by SEC EDGAR 06/23/2026 - 04:26 PM EDT 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	0001844320
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	Oscar Health, Inc.
SEC File Number	001-40154
Address of Issuer	75 Varick Street, 5th Floor New York NEW YORK 10013
Phone	6464033677
Name of Person for Whose Account the Securities are To Be Sold	Siena Pizzo-Schlosser Dynasty Trust
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	Director

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	50000	1427000.00	265902000	06/23/2026	NYSE

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	12/11/2020	Gift	Mario Schlosser		12/06/2012	50000		NA

* 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
MARIO SCHLOSSER 75 Varick Street, 5th Floor New York NY 10013	Common	06/02/2026	34120	748633.08

144: Remarks and Signature

Remarks
Date of Notice	06/23/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/24/2026
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/ Michael Gandolfo, Trustee
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)