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.
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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Thermo Fisher Scientific Inc May 20, 202693.1%
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Thermo Fisher Scientific Inc May 21, 202594.2%
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Thermo Fisher Scientific Inc May 22, 202494.0%
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Thermo Fisher Scientific Inc May 24, 202393.5%
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 21, 2026 | Chubb Limited | Grant or award | +681 | — | — |
| May 21, 2026 | Chubb Limited | Shares withheld for tax | −193 | $330.26 | $63,740 |
| May 20, 2026 | Thermo Fisher Scientific Inc | Grant or award | +499 | — | — |
| May 21, 2025 | Thermo Fisher Scientific Inc | Grant or award | +565 | — | — |
| May 15, 2025 | Chubb Limited | Grant or award | +771 | — | — |
| May 15, 2025 | Chubb Limited | Shares withheld for tax | −180 | $292.05 | $52,569 |
| Feb 19, 2025 | Thermo Fisher Scientific Inc | Open-market sale | −16 | $528.09 | $8,449 |
| Dec 9, 2024 | Thermo Fisher Scientific Inc | Open-market purchase | +4 | $535.93 | $2,144 |
| Nov 7, 2024 | Thermo Fisher Scientific Inc | Open-market purchase | +16 | $555.89 | $8,894 |
| May 22, 2024 | Thermo Fisher Scientific Inc | Grant or award | +339 | — | — |
| May 16, 2024 | Chubb Limited | Grant or award | +718 | — | — |
| Oct 16, 2023 | Uber Technologies Inc. | Option exercise | +3,274 | — | — |
| Oct 16, 2023 | Uber Technologies Inc. | Option exercise | +3,457 | — | — |
| Oct 16, 2023 | Uber Technologies Inc. | Option exercise | +1,086 | — | — |
| Oct 16, 2023 | Uber Technologies Inc. | Shares withheld for tax | −1,672 | $44.71 | $74,755 |
Questions about Nelson Chai
What boards is Nelson Chai on?
Nelson Chai sits on the boards of Chubb Limited and Thermo Fisher Scientific Inc.
How long has Nelson Chai served on boards?
Our records show at least 6 years of board service across 2 boards, the earliest from 2023.
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