Gregory L. Summe
Sits on 5 boards. Overboarded · 5 public boards Last updated September 28, 2026
Time on boards
- Boards served
- 5
- Current seats
- 5
- Board service
- 15 years
- Director since
- 2023
15 years of board service in total across 5 boards, counting each seat separately. Longest: Avantor 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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Wheels Up Experience Inc. June 9, 202699.9%
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Avantor Inc. May 7, 202687.0%
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Avantor Inc. May 8, 202593.7%
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State Street Corporation May 15, 202493.8%
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Avantor Inc. May 9, 202491.2%
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State Street Corporation May 17, 202393.7%
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Avantor Inc. May 11, 202396.5%
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 |
|---|---|---|---|---|---|
| Oct 15, 2026 | GRAIL Inc. | Grant or award | +237 | $135.46 | $32,104 |
| Jul 15, 2026 | GRAIL Inc. | Grant or award | +427 | $74.36 | $31,752 |
| Jun 18, 2026 | GRAIL Inc. | Grant or award | +5,491 | $63.74 | $349,996 |
| Jun 10, 2026 | NXP Semiconductors N.V. | Option exercise | +1,035 | — | — |
| Jun 10, 2026 | NXP Semiconductors N.V. | Shares withheld for tax | −513 | $297.41 | $152,571 |
| Jun 9, 2026 | Wheels Up Experience Inc. | Grant or award | +24,305 | — | — |
| May 7, 2026 | Avantor Inc. | Grant or award | +25,270 | — | — |
| Apr 15, 2026 | GRAIL Inc. | Grant or award | +631 | $49.79 | $31,417 |
| Feb 12, 2026 | Avantor Inc. | Open-market purchase | +100,000 | $9.40 | $940,000 |
| Jan 15, 2026 | GRAIL Inc. | Grant or award | +329 | $97.44 | $32,058 |
| Oct 30, 2025 | Avantor Inc. | Open-market purchase | +100,000 | $11.25 | $1,125,000 |
| Oct 15, 2025 | GRAIL Inc. | Grant or award | +425 | $75.52 | $32,096 |
| Aug 21, 2025 | Avantor Inc. | Open-market purchase | +100,000 | $12.56 | $1,256,000 |
| Jul 15, 2025 | GRAIL Inc. | Grant or award | +825 | $38.53 | $31,787 |
| Jun 10, 2025 | Wheels Up Experience Inc. | Grant or award | +148,026 | — | — |
Questions about Gregory L. Summe
What boards is Gregory L. Summe on?
Gregory L. Summe sits on the boards of Avantor Inc., GRAIL Inc., NXP Semiconductors N.V., State Street Corporation and Wheels Up Experience Inc.
How long has Gregory L. Summe served on boards?
Our records show at least 15 years of board service across 5 boards, the earliest from 2023.
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