David A. Duffield
10% Owner
IndividualSelling only346 10b5-1 trades
- 2024
- Oct 13, 2026
- 45
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies David A. Duffield 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.
- Zane Rowe - $2.75M in WDAY purchases and sales in the last 12 months
- Robert Enslin - $2.43M in WDAY purchases and sales in the last 12 months
- Gerrit S. Kazmaier - $2.10M in WDAY purchases and sales in the last 12 months
- Mark S. Garfield - $310K in WDAY purchases and sales in the last 12 months
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Frequently asked questions
Who is David A. Duffield?
David A. Duffield is a corporate insider, tracked as 10% Owner of Workday, Inc. (WDAY). InsiderAlpha holds 45 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 David A. Duffield submitted recently?
10 primary Form 4 filings in the last 90 days, covering 1 company.
Has David A. Duffield been buying or selling stock?
Recorded transactions: 0 open-market purchases and 300 open-market sales ($751.48M) across all tracked filings.
