Mario Schlosser
President of Technology & CTO at Oscar Health Inc.
Sits on 2 boards. Last updated September 27, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 5 years
- Director since
- 2023
5 years of board service in total across 2 boards, counting each seat separately. Longest: Oscar Health Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Oscar Health Inc. June 4, 202699.9%
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Duolingo Inc. June 11, 202599.9%
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Oscar Health Inc. June 4, 202599.3%
-
Oscar Health Inc. June 6, 202499.4%
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Oscar Health Inc. June 8, 202399.6%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 3, 2026 | Oscar Health Inc. | Open-market sale | −31,422 | $31.45 | $988,222 |
| Aug 28, 2026 | Oscar Health Inc. | Derivative conversion | +150,000 | — | — |
| Aug 28, 2026 | Oscar Health Inc. | Open-market sale | −150,000 | $30.79 | $4,618,500 |
| Aug 27, 2026 | Oscar Health Inc. | Derivative conversion | +600,000 | — | — |
| Aug 27, 2026 | Oscar Health Inc. | Open-market sale | −600,000 | $30.34 | $18,204,000 |
| Jul 10, 2026 | Duolingo Inc. | Grant or award | +140 | $124.76 | $17,466 |
| Jul 1, 2026 | Oscar Health Inc. | Derivative conversion | +47,500 | — | — |
| Jul 1, 2026 | Oscar Health Inc. | Open-market sale | −3,600 | $29.50 | $106,200 |
| Jul 1, 2026 | Oscar Health Inc. | Open-market sale | −13,672 | $30.80 | $421,098 |
| Jul 1, 2026 | Oscar Health Inc. | Open-market sale | −30,228 | $31.65 | $956,716 |
| Jun 23, 2026 | Oscar Health Inc. | Derivative conversion | +880,000 | — | — |
| Jun 23, 2026 | Oscar Health Inc. | Open-market sale | −286,988 | $28.95 | $8,308,303 |
| Jun 23, 2026 | Oscar Health Inc. | Open-market sale | −591,213 | $29.58 | $17,488,081 |
| Jun 23, 2026 | Oscar Health Inc. | Open-market sale | −1,799 | $30.09 | $54,132 |
| Jun 23, 2026 | Oscar Health Inc. | Derivative conversion | +50,000 | — | — |
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