Duffield David A
10% Owner | Director, 10% Owner
1 company
Insider Signal Score
70
StrongTrades Analyzed
82
12M Win Rate
80.0%
Avg 3M Return
+4.5%
Avg 12M Return
+11.9%
Duffield David A is a 10% Owner at Workday, Inc.. Recent SEC Form 4 filings include 0 buys and 71 sells.
Estimated insider holdings value: $13.0M based on current market prices.
Holdings by Company
WDAYApr 9, 2026
Current Shares111.9K
Value$13.04M
Net Activity-5,535,755
Bought: 0Sold: 5.54M
Transaction History
Showing 10 filings (page 8)
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 15, 2021 | WDAY Workday, Inc. | Director, 10% Owner | Sell | 108,900 | $231.29 | $25,187,129.00 | -12.5% | +15.5% | -38.4% | |
| Jun 1, 2021 | WDAY Workday, Inc. | Director, 10% Owner | Sell | 331,170 | $226.50 | $75,010,452.76 | -25.9% | +19.9% | -30.9% | |
| Apr 1, 2021 | WDAY Workday, Inc. | Director, 10% Owner | Sell | 196,548 | $254.42 | $50,006,341.25 | -13.9% | -6.4% | -6.7% | |
| Mar 16, 2021 | WDAY Workday, Inc. | Director, 10% Owner | Sell | 108,900 | $257.43 | $28,033,745.54 | -4.0% | -9.7% | -11.5% | |
| Mar 1, 2021 | WDAY Workday, Inc. | Director, 10% Owner | Sell | 200,124 | $249.88 | $50,006,485.20 | -9.6% | - | - | |
| Jan 4, 2021 | WDAY Workday, Inc. | Director, 10% Owner | Sell | 218,763 | $228.59 | $50,007,735.37 | -9.9% | - | - | |
| Dec 15, 2020 | WDAY Workday, Inc. | Director, 10% Owner | Sell | 78,750 | $221.25 | $17,423,616.49 | -2.4% | - | - | |
| Dec 1, 2020 | WDAY Workday, Inc. | Director, 10% Owner | Sell | 220,952 | $226.33 | $50,007,924.79 | -14.3% | - | - | |
| Oct 1, 2020 | WDAY Workday, Inc. | Director, 10% Owner | Sell | 227,685 | $219.64 | $50,008,120.40 | -17.0% | - | - | |
| Sep 15, 2020 | WDAY Workday, Inc. | Director, 10% Owner | Sell | 78,750 | $208.15 | $16,391,490.43 | -10.5% | - | - |