OSCR

Oscar Health, Inc.

NYSEFinancialsHospital & Medical Service Plans

Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingAug 31, 2026Most recent Form 4
Total buying$00 buys
Total selling$2.34B3 sells
Net open-market-$2.34B2 insiders
Open-market mix
Buy vs sell distribution by transaction count
3 transactions
0 buys0%·100%3 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAug 2026 sells: 3 transactions · $2.34B3AugSep

Transaction codes

By Form 4 transaction code in selected period
11transactions
  • C · Code C · dominant4 · 36%
  • M · Option exercise4 · 36%
  • S · Open-market sells3 · 27%

Activity by reported role

A joint filing can contribute to multiple roles
11transactions
  • Director · dominant10 · 91%
  • Chief financial officer1 · 9%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (2)
Aug 2026Sep 2026
2distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Schlosser MarioClass B Common Stock · Direct
1.8M1.2MAug 27, 2026 · 1,212,293 shares owned afterAug 27, 2026 · 1,812,293 shares owned afterAug 28, 2026 · 1,362,293 shares owned afterAug 28, 2026 · 1,212,293 shares owned afterAug 27, 2026Aug 28, 2026
1,212,293Aug 28, 2026
Schlosser MarioClass A Common Stock · Direct
1.1M480.9kAug 27, 2026 · 1,080,866 shares owned afterAug 27, 2026 · 480,866 shares owned afterAug 28, 2026 · 630,866 shares owned afterAug 28, 2026 · 480,866 shares owned afterAug 27, 2026Aug 28, 2026
480,866Aug 28, 2026
Schlosser MarioStock Option (Right to Buy) · Direct
3.1M3.0MAug 27, 2026 · 3,140,000 shares owned afterAug 28, 2026 · 2,990,000 shares owned afterAug 27, 2026Aug 28, 2026
2,990,000Aug 28, 2026
Blackley Richard ScottClass A Common Stock · Indirect · By MQB Irrevocable Trust
56.3k56.3kAug 18, 2026 · 56,250 shares owned afterAug 18, 2026Aug 18, 2026
56,250Aug 18, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
0 active days
Aug 03Sep 03
LessMore

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$1.82B
10b5-1 detected0
Amended rows0

OSCR transaction history

Filters apply within this company and selected period by default
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TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date

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Oscar Health, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Oscar Health, Inc.?

Schlosser Mario, Blackley Richard Scott.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Schlosser Mario reported a sale on Aug 28, 2026 valued at $461M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $23,417,625.00. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.