Norbert W. Bischofberger serves as Director of Vir Biotechnology, Inc. (VIR). Bischofberger has also held reporting roles at Kronos Bio, Inc. (KRON). Bischofberger has reported 4 insider filings with the SEC since 2025. The most recent filing was in May 2026.
Every role Norbert W. Bischofberger has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Vir Biotechnology, Inc. (VIR)3 filingsKronos Bio, Inc. (KRON)1 filingUpdated Aug 30, 2026
Norbert W. Bischofberger is Director of Vir Biotechnology, Inc. (VIR). 4 SEC Form 4 filings on record going back to 2025, most recently on 28 May 2026.
Every recent SEC Form 4 transaction Norbert W. Bischofberger has reported, most recent first.
InsiderAlpha's records for Norbert W. Bischofberger go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies Norbert W. Bischofberger 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.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Norbert W. Bischofberger is a corporate insider, tracked as Director of Vir Biotechnology, Inc. (VIR). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
The most recent primary Form 4 on record is dated 28 May 2026, one of 4 filings going back to 2025.
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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$KRON Kronos Bio, Inc.263.8K shares @ $0.57$150K