Nelson Chai

Sits on 2 boards. Last updated September 28, 2026

Time on boards

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

6 years of board service in total across 2 boards, counting each seat separately. Longest: Thermo Fisher Scientific Inc, 3 years.

3 years ยท Since 2023
Chubb Limited Director
2 years ยท Since 2024

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
May 22, 2024 Thermo Fisher Scientific Inc Grant or award +339 โ€” โ€”
May 16, 2024 Chubb Limited Grant or award +718 โ€” โ€”
Oct 16, 2023 Uber Technologies Inc. Option exercise +3,274 โ€” โ€”
Oct 16, 2023 Uber Technologies Inc. Option exercise +3,457 โ€” โ€”
Oct 16, 2023 Uber Technologies Inc. Option exercise +1,086 โ€” โ€”
Oct 16, 2023 Uber Technologies Inc. Shares withheld for tax โˆ’1,672 $44.71 $74,755
Oct 16, 2023 Uber Technologies Inc. Shares withheld for tax โˆ’1,765 $44.71 $78,913
Oct 16, 2023 Uber Technologies Inc. Shares withheld for tax โˆ’555 $44.71 $24,814
Sep 16, 2023 Uber Technologies Inc. Option exercise +3,274 โ€” โ€”
Sep 16, 2023 Uber Technologies Inc. Option exercise +3,456 โ€” โ€”
Sep 16, 2023 Uber Technologies Inc. Option exercise +1,087 โ€” โ€”
Sep 16, 2023 Uber Technologies Inc. Shares withheld for tax โˆ’1,672 $47.52 $79,453
Sep 16, 2023 Uber Technologies Inc. Shares withheld for tax โˆ’1,765 $47.52 $83,873
Sep 16, 2023 Uber Technologies Inc. Shares withheld for tax โˆ’555 $47.52 $26,374
Aug 21, 2023 Uber Technologies Inc. Open-market sale โˆ’100,000 $45.05 $4,505,000

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