Sec Form 3 Filing - THIEL PETER @ Oscar Health, Inc. - 2021-03-03

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person THIEL PETER 2. Issuer Name and Ticker or Trading Symbol Oscar Health, Inc. [ OSCR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) ONE LETTERMAN DRIVE, BUILDING D, 5TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 03/03/2021 (Street) SAN FRANCISCO, CA94129 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Class A Common Stock 7,778,012 I By Fund ( 1 ) Class A Common Stock 2,496,769 I By Fund ( 2 ) Class A Common Stock 4,476,970 I By Fund ( 3 ) Class A Common Stock 1,204,304 I By Fund ( 4 ) Class A Common Stock 63,361 I By Fund ( 5 ) Class A Common Stock 3,755,954 I By Fund ( 6 ) Class A Common Stock 928,720 I By Fund ( 7 ) Class A Common Stock 46,697 I By Fund ( 8 ) Class A Common Stock 799,525 I By Fund ( 9 ) Class A Common Stoc 51,567 I By Fund ( 10 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other THIEL PETER ONE LETTERMAN DRIVE, BUILDING D 5TH FLOOR SAN FRANCISCO, CA94129 X Singerman Brian Aaron ONE LETTERMAN DRIVE, BUILDING D 5TH FLOOR SAN FRANCISCO, CA94129 X Signatures /s/ Peter Thiel 03/03/2021 Signature of Reporting Person Date /s/ Brian A. Singerman 03/03/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares held by The Founders Fund IV, LP ("FF-IV"). Peter Thiel and Brian Singerman have shared voting and investment power over the shares held by FF-IV and, accordingly, may be deemed to beneficially own the shares held by FF-IV. Each of Mr. Thiel and Mr. Singerman disclaims beneficial ownership in these shares except to the extent of his respective pecuniary interest therein. ( 2 )Shares held by The Founders Fund IV Principals Fund, LP ("FF-IVP"). Peter Thiel and Brian Singerman have shared voting and investment power over the shares held by FF-IVP and, accordingly, may be deemed to beneficially own the shares held by FF-IVP. Each of Mr. Thiel and Mr. Singerman disclaims beneficial ownership in these shares except to the extent of his respective pecuniary interest therein. ( 3 )Shares held by The Founders Fund V, LP ("FF-V"). Peter Thiel and Brian Singerman have shared voting and investment power over the shares held by FF-V and, accordingly, may be deemed to beneficially own the shares held by FF-V. Each of Mr. Thiel and Mr. Singerman disclaims beneficial ownership in these shares except to the extent of his respective pecuniary interest therein. ( 4 )Shares held by The Founders Fund V Principals Fund, LP ("FF-VP"). Peter Thiel and Brian Singerman have shared voting and investment power over the shares held by FF-VP and, accordingly, may be deemed to beneficially own the shares held by FF-VP. Each of Mr. Thiel and Mr. Singerman disclaims beneficial ownership in these shares except to the extent of his respective pecuniary interest therein. ( 5 )Shares held by The Founders Fund V Entrepreneurs Fund, LP ("FF-VE"). Peter Thiel and Brian Singerman have shared voting and investment power over the shares held by FF-VE and, accordingly, may be deemed to beneficially own the shares held by FF-VE. Each of Mr. Thiel and Mr. Singerman disclaims beneficial ownership in these shares except to the extent of his respective pecuniary interest therein. ( 6 )Shares held by The Founders Fund VI, LP ("FF-VI"). Peter Thiel and Brian Singerman have shared voting and investment power over the shares held by FF-VI and, accordingly, may be deemed to beneficially own the shares held by FF-VI. Each of Mr. Thiel and Mr. Singerman disclaims beneficial ownership in these shares except to the extent of his respective pecuniary interest therein. ( 7 )Shares held by The Founders Fund VI Principals Fund, LP ("FF-VIP"). Peter Thiel and Brian Singerman have shared voting and investment power over the shares held by FF-VIP and, accordingly, may be deemed to beneficially own the shares held by FF-VIP. Each of Mr. Thiel and Mr. Singerman disclaims beneficial ownership in these shares except to the extent of his respective pecuniary interest therein. ( 8 )Shares held by The Founders Fund VI Entrepreneurs Fund, LP ("FF-VIE"). Peter Thiel and Brian Singerman have shared voting and investment power over the shares held by FF-VIE and, accordingly, may be deemed to beneficially own the shares held by FF-VIE. Each of Mr. Thiel and Mr. Singerman disclaims beneficial ownership in these shares except to the extent of his respective pecuniary interest therein. ( 9 )Shares held by The Founders Fund Growth, LP ("FF-G"). Peter Thiel and Brian Singerman have shared voting and investment power over the shares held by FF-G and, accordingly, may be deemed to beneficially own the shares held by FF-G. Each of Mr. Thiel and Mr. Singerman disclaims beneficial ownership in these shares except to the extent of his respective pecuniary interest therein. ( 10 )Shares held by The Founders Fund Growth Principals Fund, LP ("FF-GP"). Peter Thiel and Brian Singerman have shared voting and investment power over the shares held by FF-GP and, accordingly, may be deemed to beneficially own the shares held by FF-GP. Each of Mr. Thiel and Mr. Singerman disclaims beneficial ownership in these shares except to the extent of his respective pecuniary interest therein.

Remarks: The Reporting Persons disclaim group status and neither the fact of this filing nor anything contained herein shall be deemed to be an admission by the Reporting Persons that they have formed a group.

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).

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