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CIK 0001568651 · Large accelerated filer

Oscar Health, Inc.

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Ticker
OSCR
Exchange
NYSE
Industry
Hospital & Medical Service Plans
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
(646) 403-3677
Business address
75 VARICK STREET, 5TH FLOOR, NEW YORK, NY, 10013
Former names
Oscar Health, Inc., Mulberry Health Inc.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$26,761,671
in 8 filings, $3.3M under 10b5-1 plans

Net −$26,761,671. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Schlosser Mario −$23.8M Director sold 63% of stake
  2. Blackley Richard Scott −$1.5M Chief Financial Officer sold 4% of stake
  3. WITTMAN VANESSA AMES −$806K Director sold 18% of stake
  4. Liang Janet −$326K President, Oscar Insurance sold 4% of stake
  5. McAnaney Adam −$286K Chief Legal Officer sold 4% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-05-14 Blackley Richard Scott Chief Financial Officer Sale 10b5-1 −91,259 $23.10 $2.1M 1,225,401
2026-05-14 Blackley Richard Scott Chief Financial Officer Sale 10b5-1 −8,741 $23.79 $208K 1,216,660
2026-04-09 Gassen William Director Grant or award · Deferred Stock Unit +1,418 $14.54 $21K 6,387
2026-04-09 Plouffe David Director Grant or award · Deferred Stock Unit +1,461 $14.54 $21K 6,854
2026-04-09 Sankaran Sid Director Grant or award · Deferred Stock Unit +1,203 $14.54 $17K 1,203
2026-04-09 BOYD JEFFERY H Director Grant or award · Deferred Stock Unit +3,610 $14.54 $52K 69,858
2026-04-06 Bertolini Mark T Chief Executive Officer Shares withheld for taxes −1,000,001 $11.92 $11.9M 9,196,876
2026-04-06 Bertolini Mark T Chief Executive Officer Purchase +1,000,000 $11.92 $11.9M 10,196,876
2026-04-03 Bertolini Mark T Chief Executive Officer Option exercise +5,733,334 10,196,877
2026-04-03 Bertolini Mark T Chief Executive Officer Option exercise · Performance Restricted Stock Units −5,733,334 0
2026-03-12 Blackley Richard Scott Chief Financial Officer Gift −75,000 1,391,660
2026-03-12 Blackley Richard Scott Chief Financial Officer Gift −75,000 1,316,660
2026-03-12 Blackley Richard Scott Chief Financial Officer Gift +75,000 75,000
2026-03-02 Liang Janet President, Oscar Insurance Grant or award 10b5-1 +106,458 278,985
2026-03-02 Liang Janet President, Oscar Insurance Sale 10b5-1 −7,453 $13.39 $100K 271,532
2026-03-02 Bertolini Mark T Chief Executive Officer Grant or award +1,596,877 4,463,543
2026-03-02 Baltrus Victoria Chief Accounting Officer Grant or award 10b5-1 +17,300 220,750
2026-03-02 Baltrus Victoria Chief Accounting Officer Sale 10b5-1 −4,638 $13.39 $62K 216,112
2026-03-02 McAnaney Adam Chief Legal Officer Grant or award 10b5-1 +67,424 246,665
2026-03-02 McAnaney Adam Chief Legal Officer Sale 10b5-1 −18,710 $13.39 $251K 227,955

Page 6 of 12 · 225 trades