David Knight

Business address
C/O Proofpoint, Inc., 892 Ross Drive, Sunnyvale, CA, 94089
Top holdings (ownership)
PFPT
Get insider transactions for this reporting owner
David Knight has filed 118 SEC EDGAR filings since 19 Apr 2012

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 SUBMISSION 31 Aug 2021 31 Aug 2021 001-35506
4/A Open Document Open Filing FORM 4/A SUBMISSION 27 Aug 2021 06 Aug 2021 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 19 Aug 2021 06 Aug 2021 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 22 Apr 2021 20 Apr 2021 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 07 Apr 2021 06 Apr 2021 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 09 Mar 2021 05 Mar 2021 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 22 Feb 2021 18 Feb 2021 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 03 Feb 2021 01 Feb 2021 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 09 Dec 2020 08 Dec 2020 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 05 Oct 2020 01 Oct 2020 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 20 Aug 2020 19 Aug 2020 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 15 Jun 2020 11 Jun 2020 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 21 May 2020 20 May 2020 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 02 Apr 2020 01 Apr 2020 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 31 Mar 2020 29 Mar 2020 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 24 Mar 2020 20 Mar 2020 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 17 Mar 2020 16 Mar 2020 001-35506
4 Open Document Open Filing FORM 4 SUBMISSION 14 Feb 2020 13 Feb 2020 001-35506
4 Open Document Open Filing FORM 4 04 Feb 2020 01 Feb 2020 001-35506
4 Open Document Open Filing FORM 4 09 Jan 2020 08 Jan 2020 001-35506
4 Open Document Open Filing FORM 4 13 Dec 2019 12 Dec 2019 001-35506
4 Open Document Open Filing FORM 4 14 Nov 2019 13 Nov 2019 001-35506
4 Open Document Open Filing FORM 4 07 Oct 2019 03 Oct 2019 001-35506
4 Open Document Open Filing FORM 4 06 Sep 2019 05 Sep 2019 001-35506
4 Open Document Open Filing FORM 4 15 Aug 2019 13 Aug 2019 001-35506
4 Open Document Open Filing FORM 4 12 Jul 2019 11 Jul 2019 001-35506
4 Open Document Open Filing FORM 4 14 Jun 2019 12 Jun 2019 001-35506
4 Open Document Open Filing FORM 4 22 May 2019 21 May 2019 001-35506
4 Open Document Open Filing FORM 4 17 Apr 2019 16 Apr 2019 001-35506
4 Open Document Open Filing FORM 4 04 Apr 2019 02 Apr 2019 001-35506
4 Open Document Open Filing FORM 4 01 Apr 2019 28 Mar 2019 001-35506
4 Open Document Open Filing FORM 4 25 Mar 2019 24 Mar 2019 001-35506
4 Open Document Open Filing FORM 4 15 Mar 2019 14 Mar 2019 001-35506
4 Open Document Open Filing FORM 4 19 Feb 2019 14 Feb 2019 001-35506
4 Open Document Open Filing FORM 4 05 Feb 2019 01 Feb 2019 001-35506
4 Open Document Open Filing FORM 4 01 Feb 2019 31 Jan 2019 001-35506
4 Open Document Open Filing FORM 4 04 Oct 2018 03 Oct 2018 001-35506
4 Open Document Open Filing FORM 4 07 Sep 2018 06 Sep 2018 001-35506
4 Open Document Open Filing FORM 4 03 Aug 2018 02 Aug 2018 001-35506
4 Open Document Open Filing FORM 4 13 Jul 2018 11 Jul 2018 001-35506
4 Open Document Open Filing FORM 4 05 Jun 2018 01 Jun 2018 001-35506
4 Open Document Open Filing FORM 4 18 Apr 2018 16 Apr 2018 001-35506
4 Open Document Open Filing FORM 4 02 Apr 2018 29 Mar 2018 001-35506
4 Open Document Open Filing FORM 4 27 Mar 2018 24 Mar 2018 001-35506
4 Open Document Open Filing FORM 4 21 Mar 2018 19 Mar 2018 001-35506
4 Open Document Open Filing FORM 4 05 Feb 2018 01 Feb 2018 001-35506
4 Open Document Open Filing FORM 4 11 Dec 2017 07 Dec 2017 001-35506
4 Open Document Open Filing FORM 4 14 Nov 2017 13 Nov 2017 001-35506
4 Open Document Open Filing FORM 4 05 Oct 2017 03 Oct 2017 001-35506
4 Open Document Open Filing FORM 4 21 Sep 2017 19 Sep 2017 001-35506
4 Open Document Open Filing FORM 4 24 Aug 2017 23 Aug 2017 001-35506
4 Open Document Open Filing FORM 4 12 Jul 2017 11 Jul 2017 001-35506
4 Open Document Open Filing FORM 4 09 Jun 2017 07 Jun 2017 001-35506
4 Open Document Open Filing FORM 4 23 May 2017 22 May 2017 001-35506
4 Open Document Open Filing FORM 4 03 May 2017 01 May 2017 001-35506
4 Open Document Open Filing FORM 4 17 Apr 2017 16 Apr 2017 001-35506
4 Open Document Open Filing FORM 4 05 Apr 2017 04 Apr 2017 001-35506
4 Open Document Open Filing FORM 4 28 Mar 2017 24 Mar 2017 001-35506
4 Open Document Open Filing FORM 4 17 Mar 2017 15 Mar 2017 001-35506
4 Open Document Open Filing FORM 4 28 Feb 2017 24 Feb 2017 001-35506
4 Open Document Open Filing FORM 4 06 Feb 2017 02 Feb 2017 001-35506
4 Open Document Open Filing FORM 4 03 Feb 2017 01 Feb 2017 001-35506
4 Open Document Open Filing FORM 4 13 Jan 2017 11 Jan 2017 001-35506
4 Open Document Open Filing FORM 4 19 Dec 2016 15 Dec 2016 001-35506
4 Open Document Open Filing FORM 4 21 Nov 2016 17 Nov 2016 001-35506
4 Open Document Open Filing FORM 4 06 Oct 2016 04 Oct 2016 001-35506
4 Open Document Open Filing FORM 4 30 Sep 2016 29 Sep 2016 001-35506
4 Open Document Open Filing FORM 4 25 Aug 2016 24 Aug 2016 001-35506
4 Open Document Open Filing FORM 4 25 Jul 2016 22 Jul 2016 001-35506
4 Open Document Open Filing FORM 4 07 Jul 2016 06 Jul 2016 001-35506
4 Open Document Open Filing FORM 4 01 Jul 2016 30 Jun 2016 001-35506
4 Open Document Open Filing FORM 4 23 Jun 2016 21 Jun 2016 001-35506
4 Open Document Open Filing FORM 4 03 Jun 2016 01 Jun 2016 001-35506
4 Open Document Open Filing FORM 4 18 Apr 2016 16 Apr 2016 001-35506
4 Open Document Open Filing FORM 4 12 Apr 2016 08 Apr 2016 001-35506
4 Open Document Open Filing FORM 4 30 Mar 2016 29 Mar 2016 001-35506
4 Open Document Open Filing FORM 4 03 Feb 2016 01 Feb 2016 001-35506
4 Open Document Open Filing FORM 4 25 Jan 2016 22 Jan 2016 001-35506
4 Open Document Open Filing FORM 4 17 Dec 2015 15 Dec 2015 001-35506
4 Open Document Open Filing FORM 4 13 Nov 2015 11 Nov 2015 001-35506
4 Open Document Open Filing FORM 4 15 Oct 2015 13 Oct 2015 001-35506
4 Open Document Open Filing FORM 4 17 Sep 2015 15 Sep 2015 001-35506
4 Open Document Open Filing FORM 4 17 Aug 2015 13 Aug 2015 001-35506
4 Open Document Open Filing FORM 4 15 Jul 2015 14 Jul 2015 001-35506
4 Open Document Open Filing FORM 4 18 Jun 2015 16 Jun 2015 001-35506
4 Open Document Open Filing FORM 4 18 May 2015 14 May 2015 001-35506
4 Open Document Open Filing FORM 4 20 Apr 2015 16 Apr 2015 001-35506
4 Open Document Open Filing FORM 4 15 Apr 2015 14 Apr 2015 001-35506
4 Open Document Open Filing FORM 4 08 Apr 2015 06 Apr 2015 001-35506
4 Open Document Open Filing FORM 4 26 Mar 2015 24 Mar 2015 001-35506
4 Open Document Open Filing FORM 4 16 Mar 2015 12 Mar 2015 001-35506
4 Open Document Open Filing FORM 4 13 Feb 2015 11 Feb 2015 001-35506
4 Open Document Open Filing FORM 4 03 Feb 2015 01 Feb 2015 001-35506
4 Open Document Open Filing FORM 4 15 Jan 2015 14 Jan 2015 001-35506
4 Open Document Open Filing FORM 4 15 Dec 2014 11 Dec 2014 001-35506
4 Open Document Open Filing FORM 4 20 Nov 2014 18 Nov 2014 001-35506
4 Open Document Open Filing FORM 4 16 Oct 2014 15 Oct 2014 001-35506
4 Open Document Open Filing FORM 4 18 Sep 2014 16 Sep 2014 001-35506
4 Open Document Open Filing FORM 4 28 Aug 2014 27 Aug 2014 001-35506
4 Open Document Open Filing FORM 4 22 Jul 2014 18 Jul 2014 001-35506
4 Open Document Open Filing FORM 4 23 Jun 2014 19 Jun 2014 001-35506
4 Open Document Open Filing FORM 4 09 May 2014 07 May 2014 001-35506
4 Open Document Open Filing FORM 4 28 Apr 2014 24 Apr 2014 001-35506
4 Open Document Open Filing FORM 4 28 Mar 2014 26 Mar 2014 001-35506
4 Open Document Open Filing FORM 4 21 Mar 2014 19 Mar 2014 001-35506
4 Open Document Open Filing FORM 4 19 Mar 2014 17 Mar 2014 001-35506
4 Open Document Open Filing FORM 4 18 Feb 2014 13 Feb 2014 001-35506
4 Open Document Open Filing FORM 4 07 Jan 2014 03 Jan 2014 001-35506
4 Open Document Open Filing FORM 4 16 Sep 2013 13 Sep 2013 001-35506
4 Open Document Open Filing FORM 4 19 Aug 2013 15 Aug 2013 001-35506
4 Open Document Open Filing FORM 4 24 Jul 2013 23 Jul 2013 001-35506
4 Open Document Open Filing FORM 4 17 Jul 2013 15 Jul 2013 001-35506
4 Open Document Open Filing FORM 4 18 Jun 2013 14 Jun 2013 001-35506
4 Open Document Open Filing FORM 4 10 Jun 2013 06 Jun 2013 001-35506
4 Open Document Open Filing FORM 4 20 May 2013 15 Apr 2013 001-35506
4 Open Document Open Filing FORM 4 02 Apr 2013 05 Mar 2013 001-35506
4 Open Document Open Filing FORM 4 15 Mar 2013 13 Mar 2013 001-35506
3 Open Document Open Filing FORM 3 19 Apr 2012 19 Apr 2012 001-35506