Mark T. Bertolini

Sits on 2 boards. Last updated September 27, 2026

Time on boards

Boards served
2
Current seats
2
Board service
7 years
Director since
2023

7 years of board service in total across 2 boards, counting each seat separately. Longest: Verizon Communications Inc., 3 years.

3 years ยท Since 2023
Oscar Health Inc. Director ยท Chief Executive Officer
3 years ยท Since 2023

Chief executive roles

Oscar Health Inc. ยท Chief Executive Officer
Dates unknown

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

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
Jun 30, 2026 Oscar Health Inc. Open-market sale โˆ’488,654 $28.35 $13,853,341
Jun 30, 2026 Oscar Health Inc. Open-market sale โˆ’135,590 $28.97 $3,928,042
Jun 29, 2026 Oscar Health Inc. Open-market sale โˆ’555,826 $29.17 $16,213,444
Jun 29, 2026 Oscar Health Inc. Open-market sale โˆ’58,926 $30.08 $1,772,494
Jun 26, 2026 Oscar Health Inc. Open-market sale โˆ’441,373 $29.11 $12,848,368
Jun 26, 2026 Oscar Health Inc. Open-market sale โˆ’149,795 $29.79 $4,462,393
Jun 25, 2026 Oscar Health Inc. Open-market sale โˆ’597,942 $28.60 $17,101,141
Jun 25, 2026 Oscar Health Inc. Open-market sale โˆ’17,200 $29.08 $500,176
Apr 6, 2026 Oscar Health Inc. Shares withheld for tax โˆ’1,000,001 $11.92 $11,920,012
Apr 6, 2026 Oscar Health Inc. Open-market purchase +1,000,000 $11.92 $11,920,000
Apr 3, 2026 Oscar Health Inc. Option exercise +5,733,334 โ€” โ€”
Mar 2, 2026 Oscar Health Inc. Grant or award +1,596,877 โ€” โ€”
Apr 3, 2025 Oscar Health Inc. Option exercise +955,556 โ€” โ€”
Apr 3, 2024 Oscar Health Inc. Option exercise +955,555 โ€” โ€”

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