Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Arrowhead Pharmaceuticals Inc., 3 years.
Arrowhead Pharmaceuticals Inc.
Director
Vir Biotechnology Inc.
Director · President and CEO
Chief executive roles
Vir Biotechnology Inc.
· Chief Executive Officer
Dates unknown
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 |
|---|---|---|---|---|---|
| Apr 29, 2026 | Vir Biotechnology Inc. | Other | −233,532 | — | — |
| Apr 29, 2026 | Vir Biotechnology Inc. | Other | +233,532 | — | — |
| Apr 6, 2026 | Vir Biotechnology Inc. | Open-market sale | −72,559 | $9.16 | $664,640 |
| Feb 24, 2026 | Vir Biotechnology Inc. | Open-market sale | −14,762 | $9.53 | $140,682 |
| Feb 23, 2026 | Vir Biotechnology Inc. | Open-market sale | −19,039 | $7.45 | $141,841 |
| Feb 22, 2026 | Vir Biotechnology Inc. | Grant or award | +285,000 | — | — |
| Apr 3, 2025 | Vir Biotechnology Inc. | Open-market sale | −79,712 | $5.95 | $474,286 |
| Feb 24, 2025 | Vir Biotechnology Inc. | Open-market sale | −16,122 | $9.45 | $152,353 |
| Feb 22, 2025 | Vir Biotechnology Inc. | Grant or award | +240,000 | — | — |
| Jun 12, 2024 | Vir Biotechnology Inc. | Other | −53,118 | — | — |
| Jun 12, 2024 | Vir Biotechnology Inc. | Other | +53,118 | — | — |
| Apr 3, 2024 | Vir Biotechnology Inc. | Open-market sale | −72,995 | $9.46 | $690,533 |
| Feb 22, 2024 | Vir Biotechnology Inc. | Grant or award | +175,000 | — | — |
| Apr 3, 2023 | Vir Biotechnology Inc. | Grant or award | +576,452 | — | — |
| Jan 10, 2023 | Arrowhead Pharmaceuticals Inc. | Grant or award | +7,867 | — | — |
Questions about Backer Marianne De
What boards is Backer Marianne De on?
Backer Marianne De sits on the boards of Arrowhead Pharmaceuticals Inc. and Vir Biotechnology Inc.
What company is Backer Marianne De the CEO of?
Backer Marianne De is Chief Executive Officer of Vir Biotechnology Inc.
How long has Backer Marianne De served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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