Backer Marianne De

Sits on 2 boards. Last updated September 28, 2026

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: Arrowhead Pharmaceuticals Inc., 3 years.

3 years ยท Since 2023
Vir Biotechnology Inc. Director ยท President and CEO
2 years ยท Since 2024

Chief executive roles

Vir Biotechnology Inc. ยท 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 โˆ’233,532 โ€” โ€”
Apr 29, 2026 Vir Biotechnology Inc. Other +233,532 โ€” โ€”
Apr 6, 2026 Vir Biotechnology Inc. Open-market sale โˆ’72,559 $9.16 $664,640
Feb 24, 2026 Vir Biotechnology Inc. Open-market sale โˆ’14,762 $9.53 $140,682
Feb 23, 2026 Vir Biotechnology Inc. Open-market sale โˆ’19,039 $7.45 $141,841
Feb 22, 2026 Vir Biotechnology Inc. Grant or award +285,000 โ€” โ€”
Apr 3, 2025 Vir Biotechnology Inc. Open-market sale โˆ’79,712 $5.95 $474,286
Feb 24, 2025 Vir Biotechnology Inc. Open-market sale โˆ’16,122 $9.45 $152,353
Feb 22, 2025 Vir Biotechnology Inc. Grant or award +240,000 โ€” โ€”
Jun 12, 2024 Vir Biotechnology Inc. Other โˆ’53,118 โ€” โ€”
Jun 12, 2024 Vir Biotechnology Inc. Other +53,118 โ€” โ€”
Apr 3, 2024 Vir Biotechnology Inc. Open-market sale โˆ’72,995 $9.46 $690,533
Feb 22, 2024 Vir Biotechnology Inc. Grant or award +175,000 โ€” โ€”
Apr 3, 2023 Vir Biotechnology Inc. Grant or award +576,452 โ€” โ€”
Jan 10, 2023 Arrowhead Pharmaceuticals Inc. Grant or award +7,867 โ€” โ€”

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