DUFFIELD DAVID A (CIK 938071) reported 286 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-07). Recent activity: Buy WDAY (107,500 shares), Sell WDAY (2,106 shares), Sell WDAY (13,550 shares), Sell WDAY (11,348 shares), Sell WDAY (7,953 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-07 | Workday, Inc. (WDAY) | Insider | Buy | 107,500 | $0 |
| 2026-07-07 | Workday, Inc. (WDAY) | Insider | Sell | 2,106 | $273,409 |
| 2026-07-07 | Workday, Inc. (WDAY) | Insider | Sell | 13,550 | $1.8M |
| 2026-07-07 | Workday, Inc. (WDAY) | Insider | Sell | 11,348 | $1.5M |
| 2026-07-07 | Workday, Inc. (WDAY) | Insider | Sell | 7,953 | $1.1M |
| 2026-07-07 | Workday, Inc. (WDAY) | Insider | Sell | 2,476 | $331,768 |
| 2026-07-07 | Workday, Inc. (WDAY) | Insider | Sell | 7,098 | $955,773 |
| 2026-07-07 | Workday, Inc. (WDAY) | Insider | Sell | 3,417 | $464,031 |
| 2026-07-07 | Workday, Inc. (WDAY) | Insider | Sell | 15,869 | $2.2M |
| 2026-07-07 | Workday, Inc. (WDAY) | Insider | Sell | 43,583 | $6.0M |
| 2026-07-07 | Workday, Inc. (WDAY) | Insider | Sell | 100 | $13,830 |
| 2026-07-01 | Workday, Inc. (WDAY) | Insider | Sell | 6,100 | $731,999 |
| 2026-07-01 | Workday, Inc. (WDAY) | Insider | Buy | 107,500 | $0 |
| 2026-07-01 | Workday, Inc. (WDAY) | Insider | Sell | 16,870 | $2.0M |
| 2026-07-01 | Workday, Inc. (WDAY) | Insider | Sell | 53,176 | $6.5M |
| 2026-07-01 | Workday, Inc. (WDAY) | Insider | Sell | 31,354 | $3.8M |
| 2026-06-24 | Workday, Inc. (WDAY) | Insider | Buy | 107,500 | $0 |
| 2026-06-24 | Workday, Inc. (WDAY) | Insider | Sell | 16,008 | $1.8M |
| 2026-06-24 | Workday, Inc. (WDAY) | Insider | Sell | 49,759 | $5.6M |
| 2026-06-24 | Workday, Inc. (WDAY) | Insider | Sell | 6,920 | $789,905 |
| 2026-06-24 | Workday, Inc. (WDAY) | Insider | Sell | 7,033 | $808,405 |
| 2026-06-24 | Workday, Inc. (WDAY) | Insider | Sell | 3,900 | $453,011 |
| 2026-06-24 | Workday, Inc. (WDAY) | Insider | Sell | 10,587 | $1.2M |
| 2026-06-24 | Workday, Inc. (WDAY) | Insider | Sell | 7,602 | $898,192 |
| 2026-06-24 | Workday, Inc. (WDAY) | Insider | Sell | 4,151 | $494,171 |
Source: SEC Form 4 filings · as of 2026-07-07