DAVID R. WALT

Business address
5200 Illumina Way, San Diego, CA, 92122
Top holdings (ownership)
QTRX
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DAVID R. WALT has filed 420 SEC EDGAR filings since 21 May 2004

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jan 2026 02 Jan 2026 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT 03 Oct 2025 01 Oct 2025 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jul 2025 01 Jul 2025 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT 13 Jun 2025 12 Jun 2025 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT 09 Jun 2025 06 Jun 2025 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT 03 Apr 2025 01 Apr 2025 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jan 2025 02 Jan 2025 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT 17 Sep 2024 20 Aug 2024 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jan 2024 02 Jan 2024 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jan 2023 03 Jan 2023 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT 10 Aug 2022 10 Aug 2022 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jan 2022 03 Jan 2022 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jan 2021 04 Jan 2021 001-38319
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jun 2020 04 Jun 2020 001-39011
4 Open Document Open Filing PRIMARY DOCUMENT 17 Mar 2020 13 Mar 2020 001-38319
4 Open Document Open Filing FORM 4 16 Mar 2020 13 Mar 2020 001-39011
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jan 2020 02 Jan 2020 001-38319
4 Open Document Open Filing FORM 4 06 Aug 2019 02 Aug 2019 001-39011
4 Open Document Open Filing FORM 4 14 Jun 2019 14 Jun 2019 000-55764
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jan 2019 02 Jan 2019 001-38319
4 Open Document Open Filing 4 09 Aug 2018 07 Aug 2018 001-38319
4 Open Document Open Filing FORM 4 21 Jun 2018 19 Jun 2018 000-55764
4 Open Document Open Filing 4 13 Dec 2017 11 Dec 2017 001-38319
3 Open Document Open Filing 3 06 Dec 2017 06 Dec 2017 001-38319
4 Open Document Open Filing FORM 4 SUBMISSION 28 Sep 2017 26 Sep 2017 000-55764
3 Open Document Open Filing FORM 3 SUBMISSION 28 Sep 2017 26 Sep 2017 000-55764
4 Open Document Open Filing FORM 4 SUBMISSION 05 Jan 2017 03 Jan 2017 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 20 Oct 2016 03 Oct 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 24 Jun 2016 22 Jun 2016 001-36395
4 Open Document Open Filing PRIMARY DOCUMENT 11 Apr 2016 07 Apr 2016 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 16 Mar 2016 15 Mar 2016 001-35406
4 Open Document Open Filing FORM 4 SUBMISSION 23 Feb 2016 19 Feb 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 19 Feb 2016 17 Feb 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 17 Feb 2016 12 Feb 2016 001-36395
5 Open Document Open Filing PRIMARY DOCUMENT 16 Feb 2016 03 Jan 2016 001-35406
4 Open Document Open Filing FORM 4 SUBMISSION 12 Feb 2016 10 Feb 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 10 Feb 2016 08 Feb 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 08 Feb 2016 04 Feb 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 04 Feb 2016 02 Feb 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 02 Feb 2016 29 Jan 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 29 Jan 2016 27 Jan 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 27 Jan 2016 25 Jan 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 25 Jan 2016 21 Jan 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 21 Jan 2016 19 Jan 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 19 Jan 2016 14 Jan 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 14 Jan 2016 12 Jan 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 12 Jan 2016 08 Jan 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jan 2016 06 Jan 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jan 2016 04 Jan 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 07 Dec 2015 03 Dec 2015 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 02 Dec 2015 30 Nov 2015 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION 30 Nov 2015 25 Nov 2015 001-36395
4 Open Document Open Filing PRIMARY DOCUMENT 12 Nov 2015 10 Nov 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 01 Oct 2015 29 Sep 2015 001-35406
4 Open Document Open Filing FORM 4 SUBMISSION 25 Sep 2015 23 Feb 2015 001-36395
3 Open Document Open Filing FORM 3 SUBMISSION 25 Sep 2015 23 Sep 2015 001-36395
4 Open Document Open Filing PRIMARY DOCUMENT 17 Sep 2015 15 Sep 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 01 Sep 2015 01 Sep 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 19 Aug 2015 18 Aug 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 12 Aug 2015 11 Aug 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 06 Aug 2015 04 Aug 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jul 2015 28 Jul 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 23 Jul 2015 21 Jul 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 16 Jul 2015 14 Jul 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 08 Jul 2015 07 Jul 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 30 Jun 2015 30 Jun 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 24 Jun 2015 23 Jun 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 18 Jun 2015 16 Jun 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 11 Jun 2015 09 Jun 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jun 2015 02 Jun 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 28 May 2015 26 May 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 19 May 2015 19 May 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 14 May 2015 12 May 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 07 May 2015 05 May 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 30 Apr 2015 28 Apr 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 23 Apr 2015 21 Apr 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 15 Apr 2015 14 Apr 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 08 Apr 2015 07 Apr 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 02 Apr 2015 31 Mar 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 26 Mar 2015 24 Mar 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 19 Mar 2015 17 Mar 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 12 Mar 2015 10 Mar 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 05 Mar 2015 03 Mar 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 26 Feb 2015 24 Feb 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 19 Feb 2015 17 Feb 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 12 Feb 2015 10 Feb 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 05 Feb 2015 03 Feb 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jan 2015 27 Jan 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 22 Jan 2015 20 Jan 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 15 Jan 2015 13 Jan 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 08 Jan 2015 06 Jan 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 30 Dec 2014 30 Dec 2014 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 24 Dec 2014 23 Dec 2014 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 17 Dec 2014 16 Dec 2014 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 11 Dec 2014 09 Dec 2014 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 29 May 2014 28 May 2014 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 12 Mar 2014 10 Mar 2014 001-35406
5 Open Document Open Filing PRIMARY DOCUMENT 10 Feb 2014 29 Dec 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 02 Dec 2013 27 Nov 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 15 Nov 2013 13 Nov 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 01 Nov 2013 30 Oct 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 18 Oct 2013 16 Oct 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 04 Oct 2013 02 Oct 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 20 Sep 2013 18 Sep 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 06 Sep 2013 04 Sep 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 23 Aug 2013 21 Aug 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 09 Aug 2013 07 Aug 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 26 Jul 2013 24 Jul 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 12 Jul 2013 10 Jul 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jun 2013 26 Jun 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 14 Jun 2013 12 Jun 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 31 May 2013 29 May 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 17 May 2013 15 May 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 03 May 2013 01 May 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 19 Apr 2013 17 Apr 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 05 Apr 2013 03 Apr 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 22 Mar 2013 20 Mar 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 08 Mar 2013 06 Mar 2013 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 07 Jan 2013 03 Jan 2013 001-35406
5 Open Document Open Filing PRIMARY DOCUMENT 07 Jan 2013 30 Dec 2012 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 03 Oct 2012 01 Oct 2012 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jul 2012 03 Jul 2012 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 14 May 2012 11 May 2012 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 20 Apr 2012 18 Apr 2012 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT 09 Apr 2012 05 Apr 2012 001-35406