DAVID A. DUFFIELD

Business address
C/O Workday, Inc., 6110 Stoneridge Mall Road, Pleasanton, CA, 94588
Top holdings (ownership)
WDAY
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DAVID A. DUFFIELD has filed 343 SEC EDGAR filings since 17 Feb 1998

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 09 Jan 2026 08 Jan 2026 001-35680
144 Open Document Open Filing 08 Jan 2026
4 Open Document Open Filing FORM 4 06 Jan 2026 02 Jan 2026 001-35680
144 Open Document Open Filing 02 Jan 2026
4 Open Document Open Filing FORM 4 29 Dec 2025 23 Dec 2025 001-35680
144 Open Document Open Filing 23 Dec 2025
4 Open Document Open Filing FORM 4 18 Dec 2025 16 Dec 2025 001-35680
144 Open Document Open Filing 16 Dec 2025
144 Open Document Open Filing 15 Dec 2025
4 Open Document Open Filing FORM 4 04 Dec 2025 02 Dec 2025 001-35680
144 Open Document Open Filing 02 Dec 2025
4 Open Document Open Filing FORM 4 10 Oct 2025 08 Oct 2025 001-35680
144 Open Document Open Filing 08 Oct 2025
4 Open Document Open Filing FORM 4 03 Oct 2025 01 Oct 2025 001-35680
144 Open Document Open Filing 01 Oct 2025
4 Open Document Open Filing FORM 4 25 Sep 2025 23 Sep 2025 001-35680
144 Open Document Open Filing 23 Sep 2025
4 Open Document Open Filing FORM 4 17 Sep 2025 15 Sep 2025 001-35680
144 Open Document Open Filing 16 Sep 2025
144 Open Document Open Filing 15 Sep 2025
4 Open Document Open Filing FORM 4 04 Sep 2025 02 Sep 2025 001-35680
144 Open Document Open Filing 02 Sep 2025
4 Open Document Open Filing FORM 4 10 Jul 2025 08 Jul 2025 001-35680
144 Open Document Open Filing 08 Jul 2025
4 Open Document Open Filing FORM 4 03 Jul 2025 01 Jul 2025 001-35680
144 Open Document Open Filing 01 Jul 2025
4 Open Document Open Filing FORM 4 26 Jun 2025 24 Jun 2025 001-35680
144 Open Document Open Filing 24 Jun 2025
4 Open Document Open Filing FORM 4 18 Jun 2025 16 Jun 2025 001-35680
144 Open Document Open Filing 17 Jun 2025
144 Open Document Open Filing 16 Jun 2025
4 Open Document Open Filing FORM 4 03 Jun 2025 02 Jun 2025 001-35680
144 Open Document Open Filing 02 Jun 2025
4 Open Document Open Filing FORM 4 10 Apr 2025 08 Apr 2025 001-35680
144 Open Document Open Filing 08 Apr 2025
4 Open Document Open Filing FORM 4 03 Apr 2025 01 Apr 2025 001-35680
144 Open Document Open Filing 01 Apr 2025
4 Open Document Open Filing FORM 4 26 Mar 2025 24 Mar 2025 001-35680
144 Open Document Open Filing 24 Mar 2025
4 Open Document Open Filing FORM 4 18 Mar 2025 14 Mar 2025 001-35680
144 Open Document Open Filing 17 Mar 2025
144 Open Document Open Filing 14 Mar 2025
4 Open Document Open Filing FORM 4 05 Mar 2025 03 Mar 2025 001-35680
144 Open Document Open Filing 03 Mar 2025
SCHEDULE 13G/A Open Document Open Filing 12 Feb 2025
4 Open Document Open Filing FORM 4 15 Jan 2025 13 Jan 2025 001-35680
144 Open Document Open Filing 13 Jan 2025
4 Open Document Open Filing FORM 4 10 Jan 2025 08 Jan 2025 001-35680
144 Open Document Open Filing 08 Jan 2025
4 Open Document Open Filing FORM 4 07 Jan 2025 06 Jan 2025 001-35680
4 Open Document Open Filing FORM 4 06 Jan 2025 02 Jan 2025 001-35680
144 Open Document Open Filing 06 Jan 2025
144 Open Document Open Filing 02 Jan 2025
4 Open Document Open Filing FORM 4 31 Dec 2024 30 Dec 2024 001-35680
144 Open Document Open Filing 30 Dec 2024
4 Open Document Open Filing FORM 4 26 Dec 2024 23 Dec 2024 001-35680
144 Open Document Open Filing 23 Dec 2024
4 Open Document Open Filing FORM 4 20 Dec 2024 18 Dec 2024 001-35680
144 Open Document Open Filing 18 Dec 2024
4 Open Document Open Filing FORM 4 18 Dec 2024 16 Dec 2024 001-35680
144 Open Document Open Filing 16 Dec 2024
4 Open Document Open Filing FORM 4 04 Dec 2024 02 Dec 2024 001-35680
144 Open Document Open Filing 02 Dec 2024
4 Open Document Open Filing FORM 4 15 Oct 2024 14 Oct 2024 001-35680
144 Open Document Open Filing 15 Oct 2024
4 Open Document Open Filing FORM 4 09 Oct 2024 07 Oct 2024 001-35680
144 Open Document Open Filing 08 Oct 2024
144 Open Document Open Filing 07 Oct 2024
4 Open Document Open Filing FORM 4 02 Oct 2024 30 Sep 2024 001-35680
144 Open Document Open Filing 01 Oct 2024
144 Open Document Open Filing 30 Sep 2024
4 Open Document Open Filing FORM 4 25 Sep 2024 23 Sep 2024 001-35680
144 Open Document Open Filing 23 Sep 2024
4 Open Document Open Filing FORM 4 20 Sep 2024 18 Sep 2024 001-35680
144 Open Document Open Filing 18 Sep 2024
4 Open Document Open Filing FORM 4 18 Sep 2024 16 Sep 2024 001-35680
144 Open Document Open Filing 16 Sep 2024
4 Open Document Open Filing FORM 4 05 Sep 2024 03 Sep 2024 001-35680
144 Open Document Open Filing 03 Sep 2024
4 Open Document Open Filing FORM 4 16 Jul 2024 12 Jul 2024 001-35680
144 Open Document Open Filing 12 Jul 2024
4 Open Document Open Filing FORM 4 09 Jul 2024 05 Jul 2024 001-35680
144 Open Document Open Filing 08 Jul 2024
144 Open Document Open Filing 05 Jul 2024
4 Open Document Open Filing FORM 4 03 Jul 2024 28 Jun 2024 001-35680
144 Open Document Open Filing 01 Jul 2024
144 Open Document Open Filing 28 Jun 2024
4 Open Document Open Filing FORM 4 25 Jun 2024 21 Jun 2024 001-35680
144 Open Document Open Filing 21 Jun 2024
4 Open Document Open Filing FORM 4 20 Jun 2024 17 Jun 2024 001-35680
4 Open Document Open Filing FORM 4 17 Jun 2024 14 Jun 2024 001-35680
144 Open Document Open Filing 17 Jun 2024
144 Open Document Open Filing 14 Jun 2024
4 Open Document Open Filing FORM 4 05 Jun 2024 03 Jun 2024 001-35680
144 Open Document Open Filing 03 Jun 2024
4 Open Document Open Filing FORM 4 16 Apr 2024 12 Apr 2024 001-35680
144 Open Document Open Filing 12 Apr 2024
4 Open Document Open Filing FORM 4 09 Apr 2024 05 Apr 2024 001-35680
144 Open Document Open Filing 08 Apr 2024
144 Open Document Open Filing 05 Apr 2024
4 Open Document Open Filing FORM 4 03 Apr 2024 01 Apr 2024 001-35680
144 Open Document Open Filing 01 Apr 2024
144 Open Document Open Filing 01 Apr 2024
4 Open Document Open Filing FORM 4 26 Mar 2024 22 Mar 2024 001-35680
144 Open Document Open Filing 22 Mar 2024
4 Open Document Open Filing FORM 4 19 Mar 2024 15 Mar 2024 001-35680
144 Open Document Open Filing 18 Mar 2024
144 Open Document Open Filing 15 Mar 2024
4 Open Document Open Filing FORM 4 05 Mar 2024 01 Mar 2024 001-35680
144 Open Document Open Filing 01 Mar 2024
SC 13G/A Open Document Open Filing SC 13G/A 13 Feb 2024
4 Open Document Open Filing FORM 4 12 Jan 2024 10 Jan 2024 001-35680
144 Open Document Open Filing 12 Jan 2024
144 Open Document Open Filing 10 Jan 2024
4 Open Document Open Filing FORM 4 09 Jan 2024 05 Jan 2024 001-35680
144 Open Document Open Filing 08 Jan 2024
144 Open Document Open Filing 05 Jan 2024
4 Open Document Open Filing FORM 4 13 Dec 2023 11 Dec 2023 001-35680
144 Open Document Open Filing 11 Dec 2023
4 Open Document Open Filing FORM 4 06 Dec 2023 04 Dec 2023 001-35680
4 Open Document Open Filing FORM 4 02 Oct 2023 28 Sep 2023 001-35680
4 Open Document Open Filing FORM 4 13 Sep 2023 11 Sep 2023 001-35680
144 Open Document Open Filing 11 Sep 2023
4 Open Document Open Filing FORM 4 14 Jun 2023 12 Jun 2023 001-35680
144 Open Document Open Filing 12 Jun 2023
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2023
4 Open Document Open Filing FORM 4 19 Dec 2022 15 Dec 2022 001-35680
4 Open Document Open Filing FORM 4 05 Dec 2022 01 Dec 2022 001-35680
4 Open Document Open Filing FORM 4 19 Sep 2022 15 Sep 2022 001-35680
4 Open Document Open Filing FORM 4 16 Jun 2022 15 Jun 2022 001-35680
4/A Open Document Open Filing FORM 4/A 12 May 2022 02 Mar 2022 001-35680
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Apr 2022 01 Apr 2022 001-35680
4 Open Document Open Filing FORM 4 17 Mar 2022 15 Mar 2022 001-35680
4 Open Document Open Filing FORM 4 04 Mar 2022 02 Mar 2022 001-35680
SC 13G/A Open Document Open Filing SC 13G/A 11 Feb 2022
4 Open Document Open Filing FORM 4 06 Jan 2022 04 Jan 2022 001-35680
4 Open Document Open Filing FORM 4 17 Dec 2021 15 Dec 2021 001-35680
4 Open Document Open Filing FORM 4 03 Dec 2021 01 Dec 2021 001-35680
4 Open Document Open Filing FORM 4 05 Oct 2021 01 Oct 2021 001-35680
4 Open Document Open Filing FORM 4 17 Sep 2021 15 Sep 2021 001-35680
4 Open Document Open Filing FORM 4 02 Sep 2021 01 Sep 2021 001-35680
4 Open Document Open Filing FORM 4 01 Jul 2021 01 Jul 2021 001-35680
4 Open Document Open Filing FORM 4 17 Jun 2021 15 Jun 2021 001-35680
4 Open Document Open Filing FORM 4 10 Jun 2021 08 Jun 2021 001-35680
4/A Open Document Open Filing FORM 4/A 10 Jun 2021 01 Jun 2021 001-35680
4 Open Document Open Filing FORM 4 03 Jun 2021 01 Jun 2021 001-35680
4 Open Document Open Filing FORM 4 05 Apr 2021 01 Apr 2021 001-35680
4 Open Document Open Filing FORM 4 18 Mar 2021 16 Mar 2021 001-35680
4 Open Document Open Filing FORM 4 03 Mar 2021 01 Mar 2021 001-35680
SC 13G/A Open Document Open Filing SC 13G/A 09 Feb 2021
4 Open Document Open Filing FORM 4 06 Jan 2021 04 Jan 2021 001-35680
4 Open Document Open Filing FORM 4 17 Dec 2020 15 Dec 2020 001-35680
4 Open Document Open Filing FORM 4 03 Dec 2020 01 Dec 2020 001-35680
4 Open Document Open Filing FORM 4 02 Oct 2020 01 Oct 2020 001-35680
4 Open Document Open Filing FORM 4 17 Sep 2020 15 Sep 2020 001-35680
4 Open Document Open Filing FORM 4 03 Sep 2020 01 Sep 2020 001-35680
4 Open Document Open Filing FORM 4 06 Jul 2020 01 Jul 2020 001-35680
4 Open Document Open Filing FORM 4 17 Jun 2020 15 Jun 2020 001-35680
4 Open Document Open Filing FORM 4 11 Jun 2020 09 Jun 2020 001-35680
4 Open Document Open Filing FORM 4 02 Jun 2020 01 Jun 2020 001-35680
4 Open Document Open Filing FORM 4 17 Apr 2020 15 Apr 2020 001-35680
4 Open Document Open Filing FORM 4 03 Apr 2020 01 Apr 2020 001-35680
4 Open Document Open Filing FORM 4 18 Mar 2020 16 Mar 2020 001-35680
4 Open Document Open Filing FORM 4 04 Mar 2020 02 Mar 2020 001-35680
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2020
4 Open Document Open Filing FORM 4 17 Jan 2020 15 Jan 2020 001-35680
4 Open Document Open Filing FORM 4 09 Jan 2020 31 Dec 2019 001-35680
4 Open Document Open Filing FORM 4 16 Dec 2019 06 Dec 2019 001-35680
4 Open Document Open Filing FORM 4 09 Dec 2019 05 Dec 2019 001-35680
4 Open Document Open Filing FORM 4 17 Oct 2019 15 Oct 2019 001-35680
4 Open Document Open Filing FORM 4 04 Oct 2019 02 Oct 2019 001-35680
4 Open Document Open Filing FORM 4 13 Sep 2019 12 Sep 2019 001-35680
4 Open Document Open Filing FORM 4 06 Sep 2019 04 Sep 2019 001-35680
4 Open Document Open Filing FORM 4 17 Jul 2019 15 Jul 2019 001-35680
4 Open Document Open Filing FORM 4 10 Jul 2019 08 Jul 2019 001-35680
4/A Open Document Open Filing FORM 4/A 10 Jul 2019 18 Jun 2019 001-35680
4 Open Document Open Filing FORM 4 20 Jun 2019 18 Jun 2019 001-35680
4 Open Document Open Filing FORM 4 17 Jun 2019 13 Jun 2019 001-35680
4 Open Document Open Filing FORM 4 07 Jun 2019 05 Jun 2019 001-35680
4 Open Document Open Filing FORM 4 17 May 2019 15 May 2019 001-35680
4 Open Document Open Filing FORM 4 17 Apr 2019 15 Apr 2019 001-35680
4 Open Document Open Filing FORM 4 05 Apr 2019 03 Apr 2019 001-35680
4 Open Document Open Filing FORM 4 19 Mar 2019 15 Mar 2019 001-35680
4 Open Document Open Filing FORM 4 06 Mar 2019 04 Mar 2019 001-35680
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2019
4 Open Document Open Filing FORM 4 17 Jan 2019 15 Jan 2019 001-35680
4 Open Document Open Filing FORM 4 09 Jan 2019 07 Jan 2019 001-35680
4 Open Document Open Filing FORM 4 11 Dec 2018 07 Dec 2018 001-35680
4 Open Document Open Filing FORM 4 17 Oct 2018 15 Oct 2018 001-35680
4 Open Document Open Filing FORM 4 10 Oct 2018 08 Oct 2018 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 11 Sep 2018 07 Sep 2018 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 18 Jul 2018 16 Jul 2018 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 11 Jul 2018 09 Jul 2018 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jun 2018 20 Jun 2018 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jun 2018 06 Jun 2018 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 17 May 2018 15 May 2018 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 18 Apr 2018 16 Apr 2018 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 09 Apr 2018 05 Apr 2018 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 09 Mar 2018 07 Mar 2018 001-35680
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2018
4 Open Document Open Filing FORM 4 SUBMISSION 18 Jan 2018 16 Jan 2018 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 10 Jan 2018 08 Jan 2018 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 11 Dec 2017 07 Dec 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 18 Oct 2017 16 Oct 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 11 Oct 2017 09 Oct 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 11 Sep 2017 07 Sep 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 17 Aug 2017 15 Aug 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 19 Jul 2017 17 Jul 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 11 Jul 2017 07 Jul 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jun 2017 20 Jun 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 09 Jun 2017 07 Jun 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 17 May 2017 15 May 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 19 Apr 2017 17 Apr 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 11 Apr 2017 07 Apr 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 03 Mar 2017 01 Mar 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 17 Feb 2017 15 Feb 2017 001-35680
SC 13G/A Open Document Open Filing AMENDMENT NO. 4 TO SCHEDULE 13G 14 Feb 2017
4 Open Document Open Filing FORM 4 SUBMISSION 19 Jan 2017 17 Jan 2017 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 20 Dec 2016 16 Dec 2016 001-35680
4/A Open Document Open Filing FORM 4/A SUBMISSION 19 Dec 2016 13 Dec 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 15 Dec 2016 13 Dec 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 07 Dec 2016 05 Dec 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 17 Nov 2016 15 Nov 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 19 Oct 2016 17 Oct 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 19 Sep 2016 15 Sep 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 08 Sep 2016 06 Sep 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 30 Aug 2016 26 Aug 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 17 Aug 2016 15 Aug 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 19 Jul 2016 15 Jul 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2016 15 Jun 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jun 2016 02 Jun 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 18 May 2016 16 May 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 19 Apr 2016 15 Apr 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 17 Mar 2016 15 Mar 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 04 Mar 2016 02 Mar 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 18 Feb 2016 16 Feb 2016 001-35680
SC 13G/A Open Document Open Filing SC 13G/A 12 Feb 2016
4 Open Document Open Filing FORM 4 SUBMISSION 15 Jan 2016 15 Jan 2016 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 01 Dec 2015 27 Nov 2015 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 24 Nov 2015 23 Nov 2015 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 18 Nov 2015 16 Nov 2015 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 01 Sep 2015 28 Aug 2015 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jun 2015 29 May 2015 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 26 Mar 2015 24 Mar 2015 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 03 Mar 2015 27 Feb 2015 001-35680
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT NO: 2 17 Feb 2015
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jul 2014 30 Jun 2014 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jun 2014 29 May 2014 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 15 Apr 2014 15 Apr 2014 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 04 Mar 2014 28 Feb 2014 001-35680
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2014
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jan 2014 06 Jan 2014 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 04 Dec 2013 02 Dec 2013 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 20 Sep 2013 18 Sep 2013 001-35680
4 Open Document Open Filing FORM 4 SUBMISSION 04 Sep 2013 30 Aug 2013 001-35680
4 Open Document Open Filing FORM 4 30 May 2013 28 May 2013 001-35680
SC 13G Open Document Open Filing SCHEDULE 13G 14 Feb 2013
4 Open Document Open Filing FORM 4 17 Oct 2012 17 Oct 2012 001-35680
3 Open Document Open Filing FORM 3 11 Oct 2012 11 Oct 2012 001-35680