David A. Duffield serves as Executive at Workday, Inc., where they oversee executive responsibilities. Since joining the company, David A. Duffield has executed 877 insider transactions totaling $3.8B, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 23, 2025 involved exercising options for 80,279 shares valued at $0.
David A. Duffield currently holds 185,328 shares of Workday, Inc. (WDAY), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David A. Duffield has been a net seller of WDAY stock. They have purchased $0 and sold $3.8B worth of shares.
David A. Duffield's most recent insider trade was on Dec 23, 2025, when they sold 80,279 shares at $0.00 per share.
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| $215.29 |
| Discretionary |
| Dec 23, 2025 | WDAY | $820.8K | Sale | 3,800 | $216.01 | Discretionary |
| Dec 23, 2025 | WDAY | $151.8K | Sale | 700 | $216.88 | Discretionary |
| Dec 23, 2025 | WDAY | $5.3M | Sale | 24,922 | $214.32 | Discretionary |
| Dec 16, 2025 | WDAY | $1.7M | Sale | 8,000 | $217.04 | Discretionary |
| Dec 16, 2025 | WDAY | $283.0K | Sale | 1,300 | $217.71 | Discretionary |
| Dec 16, 2025 | WDAY | $11.9M | Sale | 55,253 | $216.04 | Discretionary |
| Dec 16, 2025 | WDAY | $3.6M | Sale | 16,881 | $215.17 | Discretionary |
| Dec 16, 2025 | WDAY | $0 | Conversion | 81,434 | $N/A | Discretionary |
| Dec 2, 2025 | WDAY | $0 | Gift | 2,320,000 | $N/A | Discretionary |
| Dec 2, 2025 | WDAY | $0 | Conversion | 215,000 | $N/A | Discretionary |
| Dec 2, 2025 | WDAY | $0 | Conversion | 2,320,000 | $N/A | Discretionary |
| Dec 2, 2025 | WDAY | $42.8K | Sale | 200 | $214.09 | Discretionary |
| Dec 2, 2025 | WDAY | $6.1M | Sale | 28,555 | $212.63 | Discretionary |
| Dec 2, 2025 | WDAY | $6.7M | Sale | 31,752 | $211.57 | Discretionary |
| Dec 2, 2025 | WDAY | $1.5M | Sale | 7,007 | $210.77 | Discretionary |
| Dec 2, 2025 | WDAY | $0 | Conversion | 82,025 | $N/A | Discretionary |
| Dec 2, 2025 | WDAY | $0 | Gift | 215,000 | $N/A | Discretionary |
| Dec 2, 2025 | WDAY | $3.1M | Sale | 14,511 | $213.35 | Discretionary |
| Oct 8, 2025 | WDAY | $7.3M | Sale | 30,595 | $237.27 | Discretionary |
| Oct 8, 2025 | WDAY | $2.4M | Sale | 9,935 | $238.13 | Discretionary |
| Oct 8, 2025 | WDAY | $2.0M | Sale | 8,656 | $236.30 | Discretionary |
| Oct 8, 2025 | WDAY | $3.1M | Sale | 12,978 | $235.18 | Discretionary |
| Oct 8, 2025 | WDAY | $2.2M | Sale | 9,489 | $234.26 | Discretionary |
| Oct 8, 2025 | WDAY | $792.9K | Sale | 3,400 | $233.21 | Discretionary |
| Oct 8, 2025 | WDAY | $0 | Conversion | 75,053 | $N/A | Discretionary |
| Oct 1, 2025 | WDAY | $144.9K | Sale | 600 | $241.52 | Discretionary |
| Oct 1, 2025 | WDAY | $1.8M | Sale | 7,351 | $240.74 | Discretionary |
| Oct 1, 2025 | WDAY | $1.5M | Sale | 6,066 | $239.99 | Discretionary |