Mario Schlosser - 27 Aug 2026 Form 4 Insider Report for Oscar Health, Inc. (OSCR)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
31 Aug 2026, 16:16:15 UTC
Prior SEC filing
14 Jul 2026
Next SEC filing
08 Sep 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/Melissa Curtin, Attorney-in-Fact

Key filing fact

Mario Schlosser filed Form 4 for Oscar Health, Inc. (OSCR) on 31 Aug 2026.

Key facts

  • This page summarizes Mario Schlosser's Form 4 filing for Oscar Health, Inc. (OSCR).
  • 10 reported transactions and 9 derivative rows are listed below.
  • Accepted by SEC: 31 Aug 2026, 16:16.

Change

  • Previous filing in this sequence was filed on 14 Jul 2026.
  • Current net transaction value: -$22,822,500.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001844320 Primary reporting owner

Schlosser Mario

Relationship
Director
Address
75 VARICK STREET, 5TH FLOOR, NEW YORK
Signature
/s/Melissa Curtin, Attorney-in-Fact
Signature date
31 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OSCR transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares
+600,000
Change %
+125%
Price
Shares after
1,080,866
Date
27 Aug 2026
Ownership
Direct
Footnotes
F1, F2
OSCR transaction

Class A Common Stock

Sale

Transaction value
$18,204,000
Shares
-600,000
Change %
-56%
Price
$30.34
Shares after
480,866
Date
27 Aug 2026
Ownership
Direct
Footnotes
F2, F3
OSCR transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares
+150,000
Change %
+31%
Price
Shares after
630,866
Date
28 Aug 2026
Ownership
Direct
Footnotes
F1, F2
OSCR transaction

Class A Common Stock

Sale

Transaction value
$4,618,500
Shares
-150,000
Change %
-24%
Price
$30.79
Shares after
480,866
Date
28 Aug 2026
Ownership
Direct
Footnotes
F2, F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

OSCR transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares
-600,000
Change %
-16%
Price
$0.000000*
Shares after
3,140,000
Date
27 Aug 2026
Ownership
Direct
Underlying class
Class B Common Stock
Underlying amount
600,000
Exercise price
$9.75
Footnotes
F5
OSCR transaction Derivative

Class B Common Stock

Options Exercise

Transaction value
Shares
+600,000
Change %
+49%
Price
$9.75*
Shares after
1,812,293
Date
27 Aug 2026
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
600,000
Exercise price
Footnotes
F1
OSCR transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
-600,000
Change %
-33%
Price
$0.000000*
Shares after
1,212,293
Date
27 Aug 2026
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
600,000
Exercise price
Footnotes
F1
OSCR transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares
-150,000
Change %
-4.8%
Price
$0.000000*
Shares after
2,990,000
Date
28 Aug 2026
Ownership
Direct
Underlying class
Class B Common Stock
Underlying amount
150,000
Exercise price
$9.75
Footnotes
F5
OSCR transaction Derivative

Class B Common Stock

Options Exercise

Transaction value
Shares
+150,000
Change %
+12%
Price
$9.75*
Shares after
1,362,293
Date
28 Aug 2026
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
150,000
Exercise price
Footnotes
F1
OSCR transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
-150,000
Change %
-11%
Price
$0.000000*
Shares after
1,212,293
Date
28 Aug 2026
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
150,000
Exercise price
Footnotes
F1
OSCR holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
283,333
Date
27 Aug 2026
Ownership
By Siena Pizzo-Schlosser Dynasty Trust
Underlying class
Class A Common Stock
Underlying amount
283,333
Exercise price
Footnotes
F1, F6
OSCR holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
283,333
Date
27 Aug 2026
Ownership
By Noah Pizzo-Schlosser Dynasty Trust
Underlying class
Class A Common Stock
Underlying amount
283,333
Exercise price
Footnotes
F1, F6
OSCR holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
538,333
Date
27 Aug 2026
Ownership
By Pizzo-Schlosser Family Dynasty Trust
Underlying class
Class A Common Stock
Underlying amount
538,333
Exercise price
Footnotes
F1, F6
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

Footnote F2

Includes shares to be issued in connection with the vesting of one or more restricted stock units.

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.98 to $30.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

Footnote F4

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.59 to $30.89, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

Footnote F5

The stock option is fully vested and exercisable, and expires on December 16, 2029.

Footnote F6

Mr. Schlosser disclaims beneficial ownership over the shares held of record by the trust except to the extent of his pecuniary interest therein, if any.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .