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David A Duffield Insider Trading Activity

Every SEC Form 4 transaction reported by David A Duffield, sourced directly from SEC EDGAR and updated as new filings are accepted.

By · SEC Form 4 & insider trading data analysts
Last updated:

Quick Answer

Is David A Duffield buying or selling?

David A Duffield reported 0 open-market buys ($0) and 133 sells ($3.5B) across 133 Form 4 filings at 1 company — a net selling position of $3.5B.

Source: SEC EDGAR Form 4

Key Statistics (as of Jul 13, 2026)

Total Form 4 filings
133
SEC EDGAR
Companies
1
Buys (0)
$0
Sells (133)
$3.5B

Insider sentiment

Net selling

Net insider flow of $3.5B in net selling, filed between May 17, 2018 – Jul 13, 2026.

Companies David A Duffield files for

#CompanyForm 4 filings
1WDAYWorkday, Inc.133

Recent David A Duffield transactions

DateTickerRoleTypeSharesValue
Jul 13, 2026WDAY10% OwnerSale107.5K$14.7M
Jul 7, 2026WDAY10% OwnerSale107.5K$14.5M
Jul 1, 2026WDAY10% OwnerSale107.5K$13.1M
Jun 29, 2026WDAY10% OwnerSale107.5K$12.4M
Jun 24, 2026WDAY10% OwnerSale107.5K$12.3M
Jun 18, 2026WDAY10% OwnerSale107.5K$13.4M
Jun 15, 2026WDAY10% OwnerSale107.5K$13.8M
Jun 11, 2026WDAY10% OwnerSale107.5K$14.9M
Jun 8, 2026WDAY10% OwnerSale107.5K$16.1M
Jun 3, 2026WDAY10% OwnerSale107.5K$16.8M
Apr 13, 2026WDAY10% OwnerSale107.5K$12.1M
Apr 7, 2026WDAY10% OwnerSale107.5K$13.9M
Apr 2, 2026WDAY10% OwnerSale107.5K$13.9M
Mar 30, 2026WDAY10% OwnerSale107.5K$13.8M
Mar 25, 2026WDAY10% OwnerSale107.5K$14.7M
Mar 20, 2026WDAY10% OwnerSale107.5K$14.3M
Mar 17, 2026WDAY10% OwnerSale107.5K$14.3M
Mar 12, 2026WDAY10% OwnerSale107.5K$15.3M
Mar 9, 2026WDAY10% OwnerSale107.5K$15.8M
Mar 4, 2026WDAY10% OwnerSale107.5K$14.4M
Jan 10, 2026WDAY10% OwnerSale82.9K$17.4M
Jan 6, 2026WDAY10% OwnerSale81.5K$16.7M
Dec 29, 2025WDAY10% OwnerSale80.3K$17.3M
Dec 18, 2025WDAY10% OwnerSale81.4K$17.6M
Dec 4, 2025WDAY10% OwnerSale82.0K$17.4M

Showing the 25 most recent filings of 133. Screen every filing.

David A Duffield insider trading FAQ

Is David A Duffield buying or selling?

Across 133 SEC Form 4 filings, David A Duffield reported 0 open-market purchases totaling $0 and 133 sales totaling $3.5B — a net selling position of $3.5B.

Which companies does David A Duffield file Form 4s for?

David A Duffield has reported insider transactions at 1 company, most often Workday, Inc. (WDAY).

How far back does David A Duffield's filing history go?

Trabud holds David A Duffield's SEC Form 4 filings from May 17, 2018 – Jul 13, 2026, sourced directly from SEC EDGAR.

Where does Trabud get David A Duffield's insider trading data?

Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.

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