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DUFFIELD DAVID A
10% OwnerCIK 0000938071
Total Volume
$577.5M
36 filings
Purchases
$0
0 buy txns
Sales
$577.5M
228 sell txns
Net Activity
-$577.5M
net sold
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 36
- Buy transactions
- 0
- Sell transactions
- 228
- Companies
- 1
- Active
- 2025–2026
DUFFIELD DAVID A, 10% Owner, has filed 36 SEC reports (2025–2026), all concentrated in Workday, Inc. (WDAY), totaling $577.5M in disclosed volume. Weighing $0 bought versus $577.5M sold, the history is heavily weighted toward selling. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
36 loaded
| Sep 30 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $18.7M |
| Sep 24 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $19.1M |
| Sep 21 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $18.3M |
| Sep 17 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $18.6M |
| Sep 14 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $18.7M |
| Sep 9 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $18.0M |
| Sep 3 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $18.9M |
| Jul 13 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $14.7M |
| Jul 7 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $14.5M |
| Jul 1 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $13.1M |
| Jun 29 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $12.4M |
| Jun 24 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $12.3M |
| Jun 18 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $13.4M |
| Jun 15 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $13.8M |
| Jun 11 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $14.9M |
| Jun 8 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $16.1M |
| Jun 3 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $16.8M |
| Apr 13 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $12.1M |
| Apr 7 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $13.9M |
| Mar 30 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $13.8M |
| Mar 25 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $14.7M |
| Mar 20 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $14.3M |
| Mar 17 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $14.3M |
| Mar 12 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $15.3M |
| Mar 9 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $15.8M |
| Mar 4 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $14.4M |
| Jan 6 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $16.7M |
| Dec 29 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $17.3M |
| Dec 18 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $17.6M |
| Dec 4 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $17.4M |
| Oct 10 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $17.7M |
| Oct 3 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $17.1M |
| Sep 25 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $17.4M |
| Sep 17 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $20.6M |
| Sep 4 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $17.3M |
| Jul 10 | WDAY Workday, Inc. | DUFFIELD DAVID A | 10% Owner | Sell | $17.4M |
36 filings