Summary
Updated Aug 31, 2026
Sandra E. Peterson is Director of MICROSOFT CORP (MSFT). 10 SEC Form 4 filings on record going back to 2024, most recently on 12 June 2026.
Trading Pattern
InsiderAlpha's records for Sandra E. Peterson go back to 2024: 10 primary Form 4 filings, an average of 3.3 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.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Sandra E. Peterson 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.
- Satya Nadella - $75.32M of MSFT open-market activity in the last 12 months
- Bradford L. Smith - $19.97M of MSFT open-market activity in the last 12 months
- Judson Althoff - $18.29M of MSFT open-market activity in the last 12 months
- Takeshi Numoto - $6.60M of MSFT open-market activity in the last 12 months
- Kathleen T. Hogan - $5.05M of MSFT open-market activity in the last 12 months
- John W. Stanton - $1.99M of MSFT 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 Sandra E. Peterson?
Sandra E. Peterson is a corporate insider, tracked as Director of MICROSOFT CORP (MSFT). InsiderAlpha holds 10 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Sandra E. Peterson submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Where can I see all of Sandra E. Peterson'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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