Summary
Updated Aug 31, 2026
Backer Marianne de is President and CEO, Director of Vir Biotechnology, Inc. (VIR). 4 SEC Form 4 filings on record, most recently on 30 April 2026. Most recent open-market trade: sold $664K of VIR on 7 April 2026. Lifetime open-market sales: $947K.
Recent Transactions
6Every recent SEC Form 4 transaction Backer Marianne de has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Backer Marianne de files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- SVF Endurance (Cayman) Ltd - $17.85M of VIR open-market activity in the last 12 months
- Vicki L. Sato - $1.71M of VIR open-market activity in the last 12 months
- Verneuil Vanina de - $218K of VIR open-market activity in the last 12 months
- Brent Sabatini - $113K of VIR open-market activity in the last 12 months
- Jason O'Byrne - $69K of VIR open-market activity in the last 12 months
- Mark Eisner - $50K of VIR open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Backer Marianne de?
Backer Marianne de is a corporate insider, tracked as President and CEO, Director of Vir Biotechnology, Inc. (VIR). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Backer Marianne de last file a Form 4?
The most recent primary Form 4 on record is dated 30 April 2026, one of 4 filings going back to 2026.
Has Backer Marianne de been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($947K) across all tracked filings.
Where can I see all of Backer Marianne de's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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