Duffield David A (CIK 0000938071)

Latest company ownership

Role: 10% Owner
Shares held
44,186,984
Last filed at
Dec 4, 2025
Confidence Score
0.0
2025Q4
Confidence Score History
2017Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 16, 2025 Dec 18, 2025 Workday, Inc. 10% Owner Sell 2.5 -81,434 -43.67% $17.6M
Dec 2, 2025 Dec 4, 2025 Workday, Inc. 10% Owner Sell 2.5 -2,617,025 -70.72% $17.4M
Oct 8, 2025 Oct 10, 2025 Workday, Inc. 10% Owner Sell 2.5 -75,053 -38.88% $17.7M
Oct 1, 2025 Oct 3, 2025 Workday, Inc. 10% Owner Sell 2.5 -72,696 -38.12% $17.1M
Sep 23, 2025 Sep 25, 2025 Workday, Inc. 10% Owner Sell 2.5 -72,118 -37.93% $17.4M
Sep 15, 2025 Sep 17, 2025 Workday, Inc. 10% Owner Sell 2.5 -93,564 -44.23% $20.6M
Sep 2, 2025 Sep 4, 2025 Workday, Inc. 10% Owner Sell 2.5 -75,817 -36.31% $17.3M
Jul 8, 2025 Jul 10, 2025 Workday, Inc. 10% Owner Sell 2.5 -72,551 -35.30% $17.4M
Jul 1, 2025 Jul 3, 2025 Workday, Inc. 10% Owner Sell 2.5 -72,917 -35.41% $17.4M
Jun 24, 2025 Jun 26, 2025 Workday, Inc. 10% Owner Sell 2.5 -73,971 -35.74% $17.7M
Jun 16, 2025 Jun 18, 2025 Workday, Inc. 10% Owner Sell 2.5 -86,240 -39.34% $21.1M
Jun 2, 2025 Jun 3, 2025 Workday, Inc. 10% Owner Sell 2.5 -70,648 -32.31% $17.4M
Apr 8, 2025 Apr 10, 2025 Workday, Inc. 10% Owner Sell 2.5 -81,275 -35.45% $17.4M
Apr 1, 2025 Apr 3, 2025 Workday, Inc. 10% Owner Sell 2.5 -74,937 -33.61% $17.5M
Mar 24, 2025 Mar 26, 2025 Workday, Inc. 10% Owner Sell 2.5 -70,144 -32.16% $17.6M
Mar 14, 2025 Mar 18, 2025 Workday, Inc. 10% Owner Sell 2.5 -86,672 -36.93% $21.5M
Mar 3, 2025 Mar 5, 2025 Workday, Inc. 10% Owner Sell 2.5 -66,455 -28.96% $17.2M
Jan 13, 2025 Jan 15, 2025 Workday, Inc. 10% Owner Sell 2.5 -56,000 -25.57% $13.8M
Jan 8, 2025 Jan 10, 2025 Workday, Inc. 10% Owner Sell 7.5 -70,090 -24.25% $17.8M
Jan 6, 2025 Jan 7, 2025 Workday, Inc. 10% Owner Sell 7.5 -56,000 -20.36% $14.2M
Jan 2, 2025 Jan 6, 2025 Workday, Inc. 10% Owner Sell 12.5 -67,822 -19.78% $17.1M
Dec 30, 2024 Dec 31, 2024 Workday, Inc. 10% Owner Sell 12.5 -56,000 -16.92% $14.7M
Dec 23, 2024 Dec 26, 2024 Workday, Inc. 10% Owner Sell 17.5 -56,000 -14.47% $14.9M
Dec 18, 2024 Dec 20, 2024 Workday, Inc. 10% Owner Sell 17.5 -57,000 -12.84% $15.7M
Dec 16, 2024 Dec 18, 2024 Workday, Inc. 10% Owner Sell 17.5 -63,946 -12.59% $17.7M
Dec 2, 2024 Dec 4, 2024 Workday, Inc. 10% Owner Sell 17.5 -175,003 -11.03% $17.6M
Oct 14, 2024 Oct 15, 2024 Workday, Inc. 10% Owner Sell 17.5 -56,000 -12.73% $13.6M
Oct 7, 2024 Oct 9, 2024 Workday, Inc. 10% Owner Sell 7.5 -130,320 -22.85% $31M
Sep 30, 2024 Oct 2, 2024 Workday, Inc. 10% Owner Sell 7.5 -127,601 -20.46% $30.8M
Sep 23, 2024 Sep 25, 2024 Workday, Inc. 10% Owner Sell 21.3 -56,000 -9.21% $13.7M
Sep 18, 2024 Sep 20, 2024 Workday, Inc. 10% Owner Sell 21.3 -57,000 -8.57% $14.1M
Sep 16, 2024 Sep 18, 2024 Workday, Inc. 10% Owner Sell 21.3 -69,986 -9.52% $17.4M
Sep 3, 2024 Sep 5, 2024 Workday, Inc. 10% Owner Sell 21.3 -66,492 -9.09% $17.4M
Jul 12, 2024 Jul 16, 2024 Workday, Inc. 10% Owner Sell 21.3 -56,000 -7.77% $12.8M
Jul 5, 2024 Jul 9, 2024 Workday, Inc. 10% Owner Sell 12.5 -132,376 -15.51% $30.1M
Jun 28, 2024 Jul 3, 2024 Workday, Inc. 10% Owner Sell 17.5 -134,279 -14.74% $30.1M
Jun 21, 2024 Jun 25, 2024 Workday, Inc. 10% Owner Sell 25.0 -56,000 -6.30% $12.2M
Jun 17, 2024 Jun 20, 2024 Workday, Inc. 10% Owner Sell 21.3 -83,541 -8.59% $17.7M
Jun 14, 2024 Jun 17, 2024 Workday, Inc. 10% Owner Sell 25.0 -57,000 -6.03% $11.9M
Jun 3, 2024 Jun 5, 2024 Workday, Inc. 10% Owner Sell 21.3 -82,762 -8.04% $17.4M
Apr 12, 2024 Apr 16, 2024 Workday, Inc. 10% Owner Sell 25.0 -56,000 -5.59% $14.8M
Apr 5, 2024 Apr 9, 2024 Workday, Inc. 10% Owner Sell 17.5 -121,221 -10.79% $32.5M
Apr 1, 2024 Apr 3, 2024 Workday, Inc. 10% Owner Sell 17.5 -120,162 -10.20% $32.6M
Mar 22, 2024 Mar 26, 2024 Workday, Inc. 10% Owner Sell 30.0 -56,000 -4.79% $15.5M
Mar 15, 2024 Mar 19, 2024 Workday, Inc. 10% Owner Sell 21.3 -121,329 -9.40% $32.8M
Mar 1, 2024 Mar 5, 2024 Workday, Inc. 10% Owner Sell 30.0 -59,391 -4.62% $17.3M
Jan 10, 2024 Jan 12, 2024 Workday, Inc. 10% Owner Sell 30.0 -126,179 -4.90% $35.2M
Jan 5, 2024 Jan 9, 2024 Workday, Inc. 10% Owner Sell 30.0 -131,363 -4.70% $35.3M
Dec 11, 2023 Dec 13, 2023 Workday, Inc. 10% Owner Sell 15.0 -108,333 -8.11% $30M
Sep 11, 2023 Sep 13, 2023 Workday, Inc. 10% Owner Sell 15.0 -108,333 -33.89% $27.1M
Jun 12, 2023 Jun 14, 2023 Workday, Inc. 10% Owner Sell 15.0 -108,334 -25.31% $22.6M
Dec 15, 2022 Dec 19, 2022 Workday, Inc. 10% Owner Sell 15.0 -102,500 -19.32% $18M
Sep 15, 2022 Sep 19, 2022 Workday, Inc. 10% Owner Sell 15.0 -102,500 -33.28% $16M
Jun 15, 2022 Jun 16, 2022 Workday, Inc. 10% Owner Sell 15.0 -102,500 -24.97% $14.6M
Apr 1, 2022 Apr 5, 2022 Workday, Inc. 10% Owner Sell 15.0 -209,657 -33.73% $50M
Mar 15, 2022 Mar 17, 2022 Workday, Inc. 10% Owner Sell 15.0 -102,500 -19.93% $22.5M
Mar 2, 2022 Mar 4, 2022 Workday, Inc. 10% Owner Sell 15.0 -204,376 -28.43% $50M
Jan 4, 2022 Jan 6, 2022 Workday, Inc. Director Sell 15.0 -300,988 -36.91% $75M
Dec 15, 2021 Dec 17, 2021 Workday, Inc. Director Sell 15.0 -108,900 -17.47% $29.9M
Nov 30, 2021 Dec 3, 2021 Workday, Inc. Director Sell 17.5 -460,777 -10.01% $75M
Oct 1, 2021 Oct 5, 2021 Workday, Inc. Director Sell 2.5 -298,688 -58.34% $75M
Sep 15, 2021 Sep 17, 2021 Workday, Inc. Director Sell 2.5 -108,900 -33.80% $29.3M
Sep 1, 2021 Sep 2, 2021 Workday, Inc. Director Sell 2.5 -274,565 -46.01% $75M
Jul 1, 2021 Jul 1, 2021 Workday, Inc. Director Sell 2.5 -318,822 -49.74% $75M
Jun 15, 2021 Jun 17, 2021 Workday, Inc. Director Sell 2.5 -108,900 -25.26% $25.2M
Jun 1, 2021 Jun 10, 2021 Workday, Inc. Director Sell 2.5 -331,170 -43.53% $75M
Jun 1, 2021 Jun 3, 2021 Workday, Inc. Director Sell 2.5 -331,170 -43.53% $75M
Apr 1, 2021 Apr 5, 2021 Workday, Inc. Director Sell 2.5 -196,548 -31.39% $50M
Mar 16, 2021 Mar 18, 2021 Workday, Inc. Director Sell 7.5 -108,900 -20.22% $28M
Mar 1, 2021 Mar 3, 2021 Workday, Inc. Director Sell 2.5 -200,124 -27.09% $50M
Jan 4, 2021 Jan 6, 2021 Workday, Inc. Director Sell 2.5 -218,763 -28.88% $50M
Dec 9, 2020 Dec 17, 2020 Workday, Inc. Director Sell 2.5 -243,150 -31.10% $17.4M
Dec 1, 2020 Dec 3, 2020 Workday, Inc. Director Sell 2.5 -220,952 -54.87% $50M
Oct 1, 2020 Oct 2, 2020 Workday, Inc. Director Sell 2.5 -227,685 -55.61% $50M
Sep 15, 2020 Sep 17, 2020 Workday, Inc. Director Sell 2.5 -78,750 -30.23% $16.4M
Sep 1, 2020 Sep 3, 2020 Workday, Inc. Director Sell 2.5 -207,272 -44.31% $50M
Jul 1, 2020 Jul 6, 2020 Workday, Inc. Director Sell 2.5 -262,181 -50.16% $50M
Jun 15, 2020 Jun 17, 2020 Workday, Inc. Director Sell 7.5 -78,750 -23.21% $13.9M
Jun 1, 2020 Jun 2, 2020 Workday, Inc. Director Sell 2.5 -278,379 -45.22% $50M
Apr 15, 2020 Apr 17, 2020 Workday, Inc. Director Sell 55.0 -177 -0.05% $25.7K
Apr 1, 2020 Apr 3, 2020 Workday, Inc. Director Sell 2.5 -407,442 -54.71% $50M
Mar 16, 2020 Mar 18, 2020 Workday, Inc. Director Sell 13.8 -78,750 -18.93% $9.6M
Mar 2, 2020 Mar 4, 2020 Workday, Inc. Director Sell 2.5 -293,430 -41.36% $50M
Jan 15, 2020 Jan 17, 2020 Workday, Inc. Director Sell 55.0 -210 -0.05% $37.7K
Dec 31, 2019 Jan 9, 2020 Workday, Inc. Director Sell 12.5 -291,714 -15.54% $50M
Dec 6, 2019 Dec 16, 2019 Workday, Inc. Director Sell 2.5 -415,000 -49.88% $28.1M
Dec 5, 2019 Dec 9, 2019 Workday, Inc. Director Sell 2.5 -309,986 -52.82% $50M
Oct 15, 2019 Oct 17, 2019 Workday, Inc. Director Sell 51.3 -271 -0.10% $50.1K
Oct 2, 2019 Oct 4, 2019 Workday, Inc. Director Sell 2.5 -300,785 -52.04% $50M
Sep 12, 2019 Sep 13, 2019 Workday, Inc. Director Sell 2.5 -175,000 -38.70% $30M
Sep 4, 2019 Sep 6, 2019 Workday, Inc. Director Sell 2.5 -286,859 -38.81% $50M
Jul 15, 2019 Jul 17, 2019 Workday, Inc. Director Sell 51.3 -281 -0.06% $61.7K
Jul 8, 2019 Jul 10, 2019 Workday, Inc. Director Sell 2.5 -233,914 -34.08% $50M
Jun 13, 2019 Jun 17, 2019 Workday, Inc. Director Sell 2.5 -175,000 -27.97% $36.4M
Jun 5, 2019 Jun 7, 2019 Workday, Inc. Director Sell 2.5 -253,351 -28.82% $50M
May 15, 2019 May 17, 2019 Workday, Inc. Director Sell 47.5 -1,054 -0.17% $216.3K
Apr 15, 2019 Apr 17, 2019 Workday, Inc. Director Sell 47.5 -1,124 -0.18% $216.9K
Apr 3, 2019 Apr 5, 2019 Workday, Inc. Director Sell 2.5 -258,774 -29.18% $50M
Mar 15, 2019 Mar 19, 2019 Workday, Inc. Director Sell 7.5 -175,000 -21.79% $32.6M
Mar 4, 2019 Mar 6, 2019 Workday, Inc. Director Sell 2.5 -278,758 -25.77% $50M