Summary
Updated Aug 30, 2026
William James Wartinbee III is EVP, Global Sales&Serv Ops of GARTNER INC (IT). 6 SEC Form 4 filings on record going back to 2024, most recently on 11 February 2026. Most recent open-market trade: sold $99K of IT on 10 December 2024. Lifetime open-market sales: $99K.
Recent Transactions
12Every recent SEC Form 4 transaction William James Wartinbee III has reported, most recent first.
Trading Pattern
InsiderAlpha's records for William James Wartinbee III go back to 2024: 6 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.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies William James Wartinbee III 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 William James Wartinbee III?
William James Wartinbee III is a corporate insider, tracked as EVP, Global Sales&Serv Ops of GARTNER INC (IT). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did William James Wartinbee III last file a Form 4?
The most recent primary Form 4 on record is dated 11 February 2026, one of 6 filings going back to 2024.
Has William James Wartinbee III been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($99K) across all tracked filings.
Where can I see all of William James Wartinbee III'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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