Ernest E. Maddock

Business address
Lam Research, 4650 Cushing Parkway, Fremont, CA, 94538
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Ernest E. Maddock has filed 101 SEC EDGAR filings since 6/2/2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT Oct 1, 2025 Sep 29, 2025 001-06462
4 Open Document Open Filing PRIMARY DOCUMENT Sep 29, 2025 Sep 26, 2025 001-04224
4 Open Document Open Filing PRIMARY DOCUMENT Jun 20, 2025 Jun 18, 2025 001-04224
4 Open Document Open Filing 4 Jun 20, 2025 Jun 18, 2025 001-39463
4 Open Document Open Filing PRIMARY DOCUMENT Jun 17, 2025 Jun 13, 2025 001-06462
4 Open Document Open Filing FORM 4 May 23, 2025 May 21, 2025 000-50646
4 Open Document Open Filing PRIMARY DOCUMENT May 13, 2025 May 9, 2025 001-06462
4 Open Document Open Filing PRIMARY DOCUMENT Mar 20, 2025 Mar 19, 2025 001-04224
4 Open Document Open Filing PRIMARY DOCUMENT Mar 18, 2025 Mar 14, 2025 001-06462
4 Open Document Open Filing FORM 4 Mar 11, 2025 Mar 7, 2025 000-50646
4 Open Document Open Filing PRIMARY DOCUMENT Jan 3, 2025 Jan 2, 2025 001-04224
4 Open Document Open Filing PRIMARY DOCUMENT Dec 20, 2024 Dec 18, 2024 001-06462
4 Open Document Open Filing PRIMARY DOCUMENT Dec 19, 2024 Dec 18, 2024 001-04224
4 Open Document Open Filing PRIMARY DOCUMENT Sep 30, 2024 Sep 27, 2024 001-06462
4 Open Document Open Filing PRIMARY DOCUMENT Sep 26, 2024 Sep 25, 2024 001-04224
4 Open Document Open Filing 4 Aug 19, 2024 Aug 16, 2024 001-39463
4 Open Document Open Filing 4 Jul 9, 2024 Jun 21, 2024 001-39463
4 Open Document Open Filing PRIMARY DOCUMENT Jun 20, 2024 Jun 18, 2024 001-04224
4 Open Document Open Filing PRIMARY DOCUMENT Jun 18, 2024 Jun 14, 2024 001-06462
4 Open Document Open Filing FORM 4 May 24, 2024 May 22, 2024 000-50646
4 Open Document Open Filing PRIMARY DOCUMENT May 13, 2024 May 9, 2024 001-06462
4 Open Document Open Filing PRIMARY DOCUMENT Mar 21, 2024 Mar 20, 2024 001-04224
4 Open Document Open Filing PRIMARY DOCUMENT Feb 5, 2024 Feb 1, 2024 001-06462
4 Open Document Open Filing PRIMARY DOCUMENT Jan 3, 2024 Jan 2, 2024 001-04224
4 Open Document Open Filing PRIMARY DOCUMENT Dec 21, 2023 Dec 20, 2023 001-04224
4 Open Document Open Filing 4 Nov 16, 2023 Nov 15, 2023 001-39463
4 Open Document Open Filing PRIMARY DOCUMENT Sep 28, 2023 Sep 27, 2023 001-04224
4 Open Document Open Filing 4 Aug 22, 2023 Aug 21, 2023 001-39463
4 Open Document Open Filing PRIMARY DOCUMENT Jun 22, 2023 Jun 21, 2023 001-04224
4 Open Document Open Filing FORM 4 May 19, 2023 May 17, 2023 000-50646
4 Open Document Open Filing PRIMARY DOCUMENT May 16, 2023 May 12, 2023 001-06462
4 Open Document Open Filing PRIMARY DOCUMENT Mar 16, 2023 Mar 15, 2023 001-04224
4 Open Document Open Filing FORM 4 SUBMISSION Feb 14, 2023 Feb 10, 2023 001-39463
3 Open Document Open Filing FORM 3 SUBMISSION Feb 14, 2023 Feb 10, 2023 001-39463
4 Open Document Open Filing FORM 4 Feb 13, 2023 Feb 10, 2023 001-38703
4 Open Document Open Filing FORM 4 Jan 25, 2023 Jan 23, 2023 001-38703
4 Open Document Open Filing PRIMARY DOCUMENT Jan 5, 2023 Jan 3, 2023 001-04224
4 Open Document Open Filing PRIMARY DOCUMENT Nov 16, 2022 Nov 14, 2022 001-06462
3 Open Document Open Filing PRIMARY DOCUMENT Nov 16, 2022 Nov 14, 2022 001-06462
4 Open Document Open Filing FORM 4 Jun 21, 2022 Jun 16, 2022 001-38703
4 Open Document Open Filing FORM 4 May 23, 2022 May 19, 2022 000-50646
4 Open Document Open Filing FORM 4 Mar 8, 2022 Mar 4, 2022 001-38703
3 Open Document Open Filing FORM 3 Jan 18, 2022 Jan 13, 2022 001-38703
4 Open Document Open Filing FORM 4 Jan 18, 2022 Jan 13, 2022 001-38703
4 Open Document Open Filing PRIMARY DOCUMENT Jan 4, 2022 Jan 3, 2022 001-04224
4 Open Document Open Filing PRIMARY DOCUMENT Aug 26, 2021 Aug 25, 2021 001-04224
3 Open Document Open Filing PRIMARY DOCUMENT Aug 26, 2021 Aug 25, 2021 001-04224
4 Open Document Open Filing May 24, 2021 May 20, 2021 000-50646
4 Open Document Open Filing FORM 4 Jun 4, 2020 Jun 2, 2020 000-50646
4 Open Document Open Filing FORM 4 May 28, 2019 May 23, 2019 000-50646
4 Open Document Open Filing Aug 2, 2018 Jul 31, 2018 000-50646
4 Open Document Open Filing FORM 4 Jun 1, 2018 Jun 1, 2018 000-50646
3 Open Document Open Filing FORM 3 Jun 1, 2018 Jun 1, 2018 000-50646
4 Open Document Open Filing PRIMARY DOCUMENT Oct 26, 2017 Oct 24, 2017 001-10658
4 Open Document Open Filing PRIMARY DOCUMENT Oct 23, 2017 Oct 19, 2017 001-10658
4 Open Document Open Filing PRIMARY DOCUMENT Oct 18, 2017 Oct 14, 2017 001-10658
4 Open Document Open Filing PRIMARY DOCUMENT Aug 15, 2017 Aug 11, 2017 001-10658
4 Open Document Open Filing PRIMARY DOCUMENT Jun 6, 2017 Jun 3, 2017 001-10658
4 Open Document Open Filing FORM 4 Feb 28, 2017 Feb 24, 2017 000-29617
4 Open Document Open Filing PRIMARY DOCUMENT Oct 21, 2016 Oct 19, 2016 001-10658
4 Open Document Open Filing PRIMARY DOCUMENT Oct 18, 2016 Oct 14, 2016 001-10658
4 Open Document Open Filing FORM 4 Jul 8, 2016 Jul 7, 2016 000-29617
4 Open Document Open Filing PRIMARY DOCUMENT Jun 6, 2016 Jun 3, 2016 001-10658
4 Open Document Open Filing FORM 4 Apr 22, 2016 Apr 20, 2016 000-29617
4 Open Document Open Filing PRIMARY DOCUMENT Jan 25, 2016 Jan 21, 2016 001-10658
4 Open Document Open Filing PRIMARY DOCUMENT Dec 28, 2015 Dec 24, 2015 001-10658
4 Open Document Open Filing PRIMARY DOCUMENT Dec 15, 2015 Dec 11, 2015 001-10658
4 Open Document Open Filing PRIMARY DOCUMENT Oct 16, 2015 Oct 14, 2015 001-10658
4 Open Document Open Filing PRIMARY DOCUMENT Jul 10, 2015 Jul 9, 2015 001-10658
3 Open Document Open Filing FORM 3 Jul 9, 2015 Jul 7, 2015 000-29617
4 Open Document Open Filing PRIMARY DOCUMENT Jun 5, 2015 Jun 3, 2015 001-10658
3 Open Document Open Filing PRIMARY DOCUMENT Jun 5, 2015 Jun 1, 2015 001-10658
4 Open Document Open Filing FORM 4 SUBMISSION Apr 28, 2015 Apr 24, 2015 001-33023
4 Open Document Open Filing PRIMARY DOCUMENT Feb 4, 2015 Feb 2, 2015 001-33023
4 Open Document Open Filing PRIMARY DOCUMENT Jan 5, 2015 Jan 1, 2015 001-33023
4 Open Document Open Filing PRIMARY DOCUMENT May 19, 2014 May 15, 2014 001-33023