DUFFIELD DAVID A (CIK 938071) reported 307 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-13). Recent activity: Buy WDAY (107,500 shares), Sell WDAY (1,400 shares), Sell WDAY (1,800 shares), Sell WDAY (1,700 shares), Sell WDAY (500 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-13 | Workday, Inc. (WDAY) | 10% Owner | Buy | 107,500 | $0 |
| 2026-07-13 | Workday, Inc. (WDAY) | 10% Owner | Sell | 1,400 | $182,884 |
| 2026-07-13 | Workday, Inc. (WDAY) | 10% Owner | Sell | 1,800 | $237,734 |
| 2026-07-13 | Workday, Inc. (WDAY) | 10% Owner | Sell | 1,700 | $226,305 |
| 2026-07-13 | Workday, Inc. (WDAY) | 10% Owner | Sell | 500 | $67,006 |
| 2026-07-13 | Workday, Inc. (WDAY) | 10% Owner | Sell | 14,299 | $1.9M |
| 2026-07-13 | Workday, Inc. (WDAY) | 10% Owner | Sell | 27,858 | $3.8M |
| 2026-07-13 | Workday, Inc. (WDAY) | 10% Owner | Sell | 39,133 | $5.4M |
| 2026-07-13 | Workday, Inc. (WDAY) | 10% Owner | Sell | 20,710 | $2.9M |
| 2026-07-13 | Workday, Inc. (WDAY) | 10% Owner | Sell | 100 | $13,898 |
| 2026-07-07 | Workday, Inc. (WDAY) | 10% Owner | Sell | 13,550 | $1.8M |
| 2026-07-07 | Workday, Inc. (WDAY) | 10% Owner | Sell | 2,106 | $273,409 |
| 2026-07-07 | Workday, Inc. (WDAY) | 10% Owner | Buy | 107,500 | $0 |
| 2026-07-07 | Workday, Inc. (WDAY) | 10% Owner | Sell | 11,348 | $1.5M |
| 2026-07-07 | Workday, Inc. (WDAY) | 10% Owner | Sell | 7,953 | $1.1M |
| 2026-07-07 | Workday, Inc. (WDAY) | 10% Owner | Sell | 2,476 | $331,768 |
| 2026-07-07 | Workday, Inc. (WDAY) | 10% Owner | Sell | 7,098 | $955,773 |
| 2026-07-07 | Workday, Inc. (WDAY) | 10% Owner | Sell | 3,417 | $464,031 |
| 2026-07-07 | Workday, Inc. (WDAY) | 10% Owner | Sell | 15,869 | $2.2M |
| 2026-07-07 | Workday, Inc. (WDAY) | 10% Owner | Sell | 43,583 | $6.0M |
| 2026-07-07 | Workday, Inc. (WDAY) | 10% Owner | Sell | 100 | $13,830 |
| 2026-07-01 | Workday, Inc. (WDAY) | 10% Owner | Buy | 107,500 | $0 |
| 2026-07-01 | Workday, Inc. (WDAY) | 10% Owner | Sell | 6,100 | $731,999 |
| 2026-07-01 | Workday, Inc. (WDAY) | 10% Owner | Sell | 16,870 | $2.0M |
| 2026-07-01 | Workday, Inc. (WDAY) | 10% Owner | Sell | 53,176 | $6.5M |
Source: SEC Form 4 filings · as of 2026-07-13