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: Harmony Biosciences Holdings 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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Signet Jewelers Limited June 26, 202699.9%
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Signet Jewelers Limited July 1, 202599.9%
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Marqeta Inc. June 12, 202595.8%
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Signet Jewelers Limited June 28, 202499.8%
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Harmony Biosciences Holdings Inc. May 29, 202463.2%
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Signet Jewelers Limited June 16, 202399.6%
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 |
|---|---|---|---|---|---|
| Aug 21, 2026 | Signet Jewelers Limited | Grant or award | +9 | — | — |
| Jul 20, 2026 | Marqeta Inc. | Option exercise | +6,447 | — | — |
| Jun 26, 2026 | Signet Jewelers Limited | Grant or award | +2,018 | — | — |
| Jun 10, 2026 | Marqeta Inc. | Option exercise | +36,297 | — | — |
| May 22, 2026 | Signet Jewelers Limited | Grant or award | +9 | — | — |
| Feb 20, 2026 | Signet Jewelers Limited | Grant or award | +7 | — | — |
| Nov 21, 2025 | Signet Jewelers Limited | Grant or award | +7 | — | — |
| Aug 22, 2025 | Signet Jewelers Limited | Grant or award | +8 | — | — |
| Jul 19, 2025 | Marqeta Inc. | Option exercise | +25,791 | — | — |
| Jul 1, 2025 | Signet Jewelers Limited | Grant or award | +2,014 | — | — |
| Jun 28, 2024 | Signet Jewelers Limited | Grant or award | +1,641 | — | — |
| Jun 16, 2023 | Signet Jewelers Limited | Grant or award | +2,467 | — | — |
Questions about R. Mark Graf
What boards is R. Mark Graf on?
R. Mark Graf sits on the boards of Harmony Biosciences Holdings Inc., Marqeta Inc. and Signet Jewelers Limited.
How long has R. Mark Graf served on boards?
Our records show at least 9 years of board service across 3 boards, the earliest from 2023.
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