Bertolini Mark T. - 03 Apr 2026 Form 4 Insider Report for Oscar Health, Inc. (OSCR)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: OSCR
Reported as of: 03 Apr 2026
Net transaction value: +$11,920,000
SEC form: 4
Accepted by SEC: 07 Apr 2026, 16:16:39 UTC
Prior SEC filing: 02 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Melissa Curtin, Attorney-in-Fact

Key filing fact

Bertolini Mark T. filed Form 4 for Oscar Health, Inc. (OSCR) on 07 Apr 2026.

Key facts

This page summarizes Bertolini Mark T.'s Form 4 filing for Oscar Health, Inc. (OSCR).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 07 Apr 2026, 16:16.

Change

Previous filing in this sequence was filed on 02 Apr 2026.
Current net transaction value: +$11,920,000.

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 0001352552 Primary reporting owner

Bertolini Mark T

Relationship: Chief Executive Officer, Director
Address: 75 VARICK STREET, 5TH FLOOR, NEW YORK
Signature: /s/ Melissa Curtin, Attorney-in-Fact
Signature date: 07 Apr 2026

Reported non-derivative transactions

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

OSCR transaction

Class A Common Stock

Options Exercise

Transaction value
Shares: +5,733,334
Change %: +128%
Price
Shares after: 10,196,877
Date: 03 Apr 2026
Ownership: Direct
Footnotes: F1, F2, F3

OSCR transaction

Class A Common Stock

Tax liability

Transaction value
Shares: -1,000,001
Change %: -9.8%
Price: $11.92^*
Shares after: 9,196,876
Date: 06 Apr 2026
Ownership: Direct
Footnotes: F3, F4

OSCR transaction

Class A Common Stock

Purchase

Transaction value: $11,920,000
Shares: +1,000,000
Change %: +11%
Price: $11.92
Shares after: 10,196,876
Date: 06 Apr 2026
Ownership: Direct
Footnotes: F3, F5

Reported derivative securities

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

OSCR transaction Derivative

Performance Restricted Stock Units

Options Exercise

Transaction value
Shares: -5,733,334
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Apr 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 5,733,334
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Represents performance stock units (PSUs) that vested based on achievement of specified price per share targets.

Footnote F2

Each PSU represents a contingent right to receive one share of Class A common stock.

Footnote F3

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

Footnote F4

Represents shares withheld by the issuer to satisfy tax obligations with respect to the portion of PSUs settled on April 6, 2026. Settlement of the remaining PSUs and the restricted stock units that vested on April 3, 2026, and sales to cover the resulting tax obligations, will occur at a later date in accordance with a 10b5-1 instruction letter entered into by the reporting person on November 10, 2025, as amended and restated on March 24, 2026.

Footnote F5

Represents shares of Class A common stock purchased from the issuer by the reporting person in a private placement transaction.