Michael Stubblefield

Business address
C/O Avantor, Inc., 100 Matsonford Road, 19087 Radnor, PA
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Michael Stubblefield has filed 33 SEC EDGAR filings since 5/16/2019

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 May 21, 2025 May 21, 2025 001-38912
4 Open Document Open Filing FORM 4 Feb 26, 2025 Feb 24, 2025 001-38912
4 Open Document Open Filing FORM 4 Feb 24, 2025 Feb 20, 2025 001-38912
4 Open Document Open Filing FORM 4 Feb 27, 2024 Feb 23, 2024 001-38912
4 Open Document Open Filing FORM 4 Feb 26, 2024 Feb 22, 2024 001-38912
4 Open Document Open Filing FORM 4 Feb 22, 2024 Feb 20, 2024 001-38912
144 Open Document Open Filing Aug 11, 2023
4 Open Document Open Filing Aug 8, 2023 Aug 5, 2023 001-38095
4 Open Document Open Filing FORM 4 May 30, 2023 May 26, 2023 001-38912
4 Open Document Open Filing FORM 4 May 19, 2023 May 17, 2023 001-38912
4 Open Document Open Filing FORM 4 Feb 27, 2023 Feb 23, 2023 001-38912
4 Open Document Open Filing Feb 27, 2023 Feb 23, 2023 001-38095
4 Open Document Open Filing FORM 4 Feb 22, 2023 Feb 20, 2023 001-38912
4 Open Document Open Filing FORM 4 Feb 2, 2023 Jan 31, 2023 001-38912
4 Open Document Open Filing FORM 4 Nov 17, 2022 Nov 16, 2022 001-38912
4 Open Document Open Filing FORM 4 Aug 9, 2022 Aug 5, 2022 001-38095
3 Open Document Open Filing FORM 3 Aug 8, 2022 Jul 28, 2022 001-38095
4 Open Document Open Filing FORM 4 May 19, 2022 May 17, 2022 001-38912
4 Open Document Open Filing FORM 4 May 6, 2022 May 4, 2022 001-38912
4 Open Document Open Filing FORM 4 Feb 25, 2022 Feb 23, 2022 001-38912
4 Open Document Open Filing FORM 4 Feb 22, 2022 Feb 20, 2022 001-38912
4 Open Document Open Filing FORM 4 Sep 22, 2021 Sep 20, 2021 001-38912
4 Open Document Open Filing FORM 4 Jun 10, 2021 Jun 8, 2021 001-38912
4 Open Document Open Filing FORM 4 May 19, 2021 May 17, 2021 001-38912
4 Open Document Open Filing FORM 4 Mar 1, 2021 Feb 25, 2021 001-38912
4 Open Document Open Filing FORM 4 Feb 23, 2021 Feb 22, 2021 001-38912
4 Open Document Open Filing FORM 4 Dec 15, 2020 Dec 11, 2020 001-38912
4 Open Document Open Filing FORM 4 Dec 8, 2020 Dec 4, 2020 001-38912
4 Open Document Open Filing FORM 4 May 19, 2020 May 17, 2020 001-38912
4 Open Document Open Filing FORM 4 Mar 13, 2020 Mar 12, 2020 001-38912
4 Open Document Open Filing FORM 4 Feb 25, 2020 Feb 21, 2020 001-38912
4 Open Document Open Filing FORM 4 SUBMISSION May 23, 2019 May 21, 2019 001-38912
3 Open Document Open Filing FORM 3 SUBMISSION May 16, 2019 May 16, 2019 001-38912