Summary
Updated Aug 31, 2026
Diana Sue Ferguson is Director of GARTNER INC (IT). 14 SEC Form 4 filings on record going back to 2024, most recently on 6 July 2026. Most recent open-market trade: bought $30K of SBH on 11 August 2025. Lifetime open-market purchases: $30K.
Recent Transactions
9Every recent SEC Form 4 transaction Diana Sue Ferguson has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Diana Sue Ferguson go back to 2024: 14 primary Form 4 filings, an average of 4.7 per year. The typical open-market purchase is $30K (1 buy totaling $30K). The largest single buy on record is $30K of SBH in 2025. 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 Diana Sue Ferguson 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.
- Claire Herkes - $283K of IT open-market activity in the last 12 months
- Yvonne Genovese - $229K of IT open-market activity in the last 12 months
- Anne Sutherland Fuchs - $159K of IT open-market activity in the last 12 months
- Akhil Jain - $141K of IT open-market activity in the last 12 months
- John J. Rinello - $8K of IT 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 Diana Sue Ferguson?
Diana Sue Ferguson is a corporate insider, tracked as Director of GARTNER INC (IT). InsiderAlpha holds 14 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 Diana Sue Ferguson submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Diana Sue Ferguson been buying or selling stock?
Recorded transactions: 1 open-market purchase ($30K) and 0 open-market sales across all tracked filings.
Where can I see all of Diana Sue Ferguson'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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