David R. Walt

Business address
5200 Illumina Way, San Diego, CA, 92122
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David R. Walt has filed 419 SEC EDGAR filings since 5/21/2004

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT Oct 3, 2025 Oct 1, 2025 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2025 Jul 1, 2025 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT Jun 13, 2025 Jun 12, 2025 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT Jun 9, 2025 Jun 6, 2025 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT Apr 3, 2025 Apr 1, 2025 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT Jan 6, 2025 Jan 2, 2025 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT Sep 17, 2024 Aug 20, 2024 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT Jan 4, 2024 Jan 2, 2024 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT Jan 4, 2023 Jan 3, 2023 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT Aug 10, 2022 Aug 10, 2022 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT Jan 5, 2022 Jan 3, 2022 001-38319
4 Open Document Open Filing PRIMARY DOCUMENT Jan 5, 2021 Jan 4, 2021 001-38319
4 Open Document Open Filing FORM 4 SUBMISSION Jun 8, 2020 Jun 4, 2020 001-39011
4 Open Document Open Filing PRIMARY DOCUMENT Mar 17, 2020 Mar 13, 2020 001-38319
4 Open Document Open Filing FORM 4 Mar 16, 2020 Mar 13, 2020 001-39011
4 Open Document Open Filing PRIMARY DOCUMENT Jan 6, 2020 Jan 2, 2020 001-38319
4 Open Document Open Filing FORM 4 Aug 6, 2019 Aug 2, 2019 001-39011
4 Open Document Open Filing FORM 4 Jun 14, 2019 Jun 14, 2019 000-55764
4 Open Document Open Filing PRIMARY DOCUMENT Jan 4, 2019 Jan 2, 2019 001-38319
4 Open Document Open Filing 4 Aug 9, 2018 Aug 7, 2018 001-38319
4 Open Document Open Filing FORM 4 Jun 21, 2018 Jun 19, 2018 000-55764
4 Open Document Open Filing 4 Dec 13, 2017 Dec 11, 2017 001-38319
3 Open Document Open Filing 3 Dec 6, 2017 Dec 6, 2017 001-38319
4 Open Document Open Filing FORM 4 SUBMISSION Sep 28, 2017 Sep 26, 2017 000-55764
3 Open Document Open Filing FORM 3 SUBMISSION Sep 28, 2017 Sep 26, 2017 000-55764
4 Open Document Open Filing FORM 4 SUBMISSION Jan 5, 2017 Jan 3, 2017 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Oct 20, 2016 Oct 3, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Jun 24, 2016 Jun 22, 2016 001-36395
4 Open Document Open Filing PRIMARY DOCUMENT Apr 11, 2016 Apr 7, 2016 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Mar 16, 2016 Mar 15, 2016 001-35406
4 Open Document Open Filing FORM 4 SUBMISSION Feb 23, 2016 Feb 19, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Feb 19, 2016 Feb 17, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Feb 17, 2016 Feb 12, 2016 001-36395
5 Open Document Open Filing PRIMARY DOCUMENT Feb 16, 2016 Jan 3, 2016 001-35406
4 Open Document Open Filing FORM 4 SUBMISSION Feb 12, 2016 Feb 10, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Feb 10, 2016 Feb 8, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Feb 8, 2016 Feb 4, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Feb 4, 2016 Feb 2, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Feb 2, 2016 Jan 29, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Jan 29, 2016 Jan 27, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Jan 27, 2016 Jan 25, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Jan 25, 2016 Jan 21, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Jan 21, 2016 Jan 19, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Jan 19, 2016 Jan 14, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Jan 14, 2016 Jan 12, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Jan 12, 2016 Jan 8, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Jan 8, 2016 Jan 6, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Jan 6, 2016 Jan 4, 2016 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Dec 7, 2015 Dec 3, 2015 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Dec 2, 2015 Nov 30, 2015 001-36395
4 Open Document Open Filing FORM 4 SUBMISSION Nov 30, 2015 Nov 25, 2015 001-36395
4 Open Document Open Filing PRIMARY DOCUMENT Nov 12, 2015 Nov 10, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Oct 1, 2015 Sep 29, 2015 001-35406
4 Open Document Open Filing FORM 4 SUBMISSION Sep 25, 2015 Feb 23, 2015 001-36395
3 Open Document Open Filing FORM 3 SUBMISSION Sep 25, 2015 Sep 23, 2015 001-36395
4 Open Document Open Filing PRIMARY DOCUMENT Sep 17, 2015 Sep 15, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Sep 1, 2015 Sep 1, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Aug 19, 2015 Aug 18, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Aug 12, 2015 Aug 11, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Aug 6, 2015 Aug 4, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jul 29, 2015 Jul 28, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jul 23, 2015 Jul 21, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jul 16, 2015 Jul 14, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jul 8, 2015 Jul 7, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jun 30, 2015 Jun 30, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jun 24, 2015 Jun 23, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jun 18, 2015 Jun 16, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jun 11, 2015 Jun 9, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jun 4, 2015 Jun 2, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT May 28, 2015 May 26, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT May 19, 2015 May 19, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT May 14, 2015 May 12, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT May 7, 2015 May 5, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Apr 30, 2015 Apr 28, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Apr 23, 2015 Apr 21, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Apr 15, 2015 Apr 14, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Apr 8, 2015 Apr 7, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Apr 2, 2015 Mar 31, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Mar 26, 2015 Mar 24, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Mar 19, 2015 Mar 17, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Mar 12, 2015 Mar 10, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Mar 5, 2015 Mar 3, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Feb 26, 2015 Feb 24, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Feb 19, 2015 Feb 17, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Feb 12, 2015 Feb 10, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Feb 5, 2015 Feb 3, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jan 29, 2015 Jan 27, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jan 22, 2015 Jan 20, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jan 15, 2015 Jan 13, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Jan 8, 2015 Jan 6, 2015 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Dec 30, 2014 Dec 30, 2014 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Dec 24, 2014 Dec 23, 2014 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Dec 17, 2014 Dec 16, 2014 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Dec 11, 2014 Dec 9, 2014 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT May 29, 2014 May 28, 2014 001-35406
4 Open Document Open Filing PRIMARY DOCUMENT Mar 12, 2014 Mar 10, 2014 001-35406
5 Open Document Open Filing PRIMARY DOCUMENT Feb 10, 2014 Dec 29, 2013 001-35406