Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 9 years
- Director since
- 2023
9 years of board service in total across 3 boards, counting each seat separately. Longest: American Express Company, 3 years.
American Express Company
Director
Groupon Inc.
Director
Tempus AI Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Tempus AI Inc. May 21, 202694.4%
-
American Express Company May 5, 202696.7%
-
Tempus AI Inc. May 20, 202595.1%
-
American Express Company April 29, 202592.4%
-
American Express Company May 6, 202497.0%
-
American Express Company May 2, 202395.7%
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 11, 2026 | Groupon Inc. | Option exercise | +6,685 | — | — |
| May 21, 2026 | Tempus AI Inc. | Grant or award | +5,913 | — | — |
| Aug 26, 2025 | Tempus AI Inc. | Open-market sale | −20,000 | $75.83 | $1,516,600 |
| Aug 13, 2025 | Tempus AI Inc. | Open-market sale | −44,000 | $69.90 | $3,075,600 |
| Jun 12, 2025 | Groupon Inc. | Grant or award | +13,343 | $32.33 | $431,379 |
| Jun 11, 2025 | Tempus AI Inc. | Open-market sale | −184,116 | $67.59 | $12,444,400 |
| Jun 11, 2025 | Tempus AI Inc. | Open-market sale | −21,731 | $68.27 | $1,483,575 |
| May 20, 2025 | Tempus AI Inc. | Grant or award | +1,997 | — | — |
| May 9, 2025 | Tempus AI Inc. | Open-market sale | −770 | $66.26 | $51,020 |
| Dec 11, 2024 | Tempus AI Inc. | Option exercise | +210,000 | $0.85 | $178,500 |
| Dec 11, 2024 | Tempus AI Inc. | Shares withheld for tax | −4,153 | $43.19 | $179,368 |
| Dec 11, 2024 | Tempus AI Inc. | Open-market sale | −166,851 | $40.73 | $6,795,841 |
| Dec 11, 2024 | Tempus AI Inc. | Open-market sale | −233,149 | $41.60 | $9,698,998 |
| Jun 17, 2024 | Tempus AI Inc. | Derivative conversion | +3,263,060 | — | — |
| Jun 17, 2024 | Tempus AI Inc. | Grant or award | +397,888 | — | — |
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