Shareholder plans Rule 144 sale of 57,300 common shares

A shareholder has filed a notice under Rule 144 to sell 57,300 shares of common stock through Morgan Stanley Smith Barney LLC on or about 12/24/2025 on the NYSE, with an indicated aggregate market value of $850,332.00.

Accepted by SEC EDGAR 12/29/2025 - 08:47 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

A shareholder has filed a notice under Rule 144 to sell 57,300 shares of common stock through Morgan Stanley Smith Barney LLC on or about 12/24/2025 on the NYSE, with an indicated aggregate market value of $850,332.00. The filing notes that 229,010,000 shares of this class were outstanding at the time of the notice.

The seller, identified as Mario Schlosser, acquired these 57,300 shares in an open market purchase for cash on 09/16/2021. Over the past three months, the same shareholder has reported additional sales of common shares, including 23,965 shares on 12/02/2025 for $397,579.35, 105,300 shares on 11/12/2025 for $1,584,765.00, and 286,182 shares on 11/11/2025 for $4,369,999.14.

FAQ

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

What does the latest Form 144 filing for OSCR disclose about planned share sales?

The notice states that a shareholder plans to sell 57,300 shares of common stock on or about 12/24/2025 on the NYSE, with an aggregate market value of $850,332.00.

Who is the selling shareholder in the OSCR Form 144 and how were the shares acquired?

The selling shareholder is identified as Mario Schlosser, who acquired the 57,300 common shares in an open market purchase for cash on 09/16/2021.

How many OSCR shares are indicated as outstanding in the Form 144 notice?

The filing indicates that there were 229,010,000 shares of the relevant class of common stock outstanding at the time of the notice.

Which broker will handle the planned Rule 144 sale for OSCR shares?

The planned sale of 57,300 common shares is to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004.

What OSCR share sales by the same holder were reported in the past three months?

The filing lists sales by Mario Schlosser of 23,965 common shares on 12/02/2025 for $397,579.35, 105,300 shares on 11/12/2025 for $1,584,765.00, and 286,182 shares on 11/11/2025 for $4,369,999.14.

What representation does the selling shareholder make in the OSCR Form 144?

By signing the notice, the shareholder represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.

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

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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	MARIO SCHLOSSER
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
Relationship to Issuer	Officer

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	57300	850332.00	229010000	12/24/2025	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	09/16/2021	Open Market Purchase	Issuer			57300	09/16/2021	Cash

* 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	12/02/2025	23965	397579.35
MARIO SCHLOSSER 75 Varick Street, 5th Floor New York NY 10013	Common	11/12/2025	105300	1584765.00
MARIO SCHLOSSER 75 Varick Street, 5th Floor New York NY 10013	Common	11/11/2025	286182	4369999.14

144: Remarks and Signature

Remarks	Sales that were executed on December 24, 2025 are being reported on this Form 144 filed on December 29, 2025 given December 24, 2025 and December 26, 2025 were treated as federal holidays for EDGAR filing purposes.
Date of Notice	12/29/2025
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/23/2025
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/ Mario Schlosser
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)