DUFFIELD DAVID A (CIK 938071) reported 316 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-24). Recent activity: Buy WDAY (99,613 shares), Sell WDAY (2,324 shares), Sell WDAY (1,776 shares), Sell WDAY (4,849 shares), Sell WDAY (63,855 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-24 | Workday, Inc. (WDAY) | 10% Owner | Buy | 99,613 | $0 |
| 2026-09-24 | Workday, Inc. (WDAY) | 10% Owner | Sell | 2,324 | $439,039 |
| 2026-09-24 | Workday, Inc. (WDAY) | 10% Owner | Sell | 1,776 | $336,891 |
| 2026-09-24 | Workday, Inc. (WDAY) | 10% Owner | Sell | 4,849 | $925,914 |
| 2026-09-24 | Workday, Inc. (WDAY) | 10% Owner | Sell | 63,855 | $12.3M |
| 2026-09-24 | Workday, Inc. (WDAY) | 10% Owner | Sell | 24,934 | $4.8M |
| 2026-09-24 | Workday, Inc. (WDAY) | 10% Owner | Sell | 1,875 | $363,039 |
| 2026-09-21 | Workday, Inc. (WDAY) | 10% Owner | Buy | 94,089 | $0 |
| 2026-09-21 | Workday, Inc. (WDAY) | 10% Owner | Sell | 34,859 | $6.8M |
| 2026-09-21 | Workday, Inc. (WDAY) | 10% Owner | Sell | 47,201 | $9.2M |
| 2026-09-21 | Workday, Inc. (WDAY) | 10% Owner | Sell | 12,029 | $2.4M |
| 2026-09-17 | Workday, Inc. (WDAY) | 10% Owner | Sell | 25,163 | $4.8M |
| 2026-09-17 | Workday, Inc. (WDAY) | 10% Owner | Buy | 96,545 | $0 |
| 2026-09-17 | Workday, Inc. (WDAY) | 10% Owner | Sell | 17,487 | $3.4M |
| 2026-09-17 | Workday, Inc. (WDAY) | 10% Owner | Sell | 26,152 | $5.0M |
| 2026-09-17 | Workday, Inc. (WDAY) | 10% Owner | Sell | 23,875 | $4.6M |
| 2026-09-17 | Workday, Inc. (WDAY) | 10% Owner | Sell | 3,868 | $751,909 |
| 2026-09-14 | Workday, Inc. (WDAY) | 10% Owner | Buy | 100,780 | $0 |
| 2026-09-14 | Workday, Inc. (WDAY) | 10% Owner | Sell | 27,883 | $5.1M |
| 2026-09-14 | Workday, Inc. (WDAY) | 10% Owner | Sell | 23,551 | $4.4M |
| 2026-09-14 | Workday, Inc. (WDAY) | 10% Owner | Sell | 24,465 | $4.6M |
| 2026-09-14 | Workday, Inc. (WDAY) | 10% Owner | Sell | 22,388 | $4.2M |
| 2026-09-14 | Workday, Inc. (WDAY) | 10% Owner | Sell | 2,493 | $468,052 |
| 2026-09-09 | Workday, Inc. (WDAY) | 10% Owner | Buy | 90,615 | $0 |
| 2026-09-09 | Workday, Inc. (WDAY) | 10% Owner | Sell | 13,666 | $2.7M |
来源：SEC Form 4 申报文件 · 截至 2026-09-24