Stephen W. Webster

Entity
Individual
Business address
C/O Optimer Pharmaceuticals, Inc, 101 Hudson Street, 07302 San Diego, CA
Insider ownership signature
/s/ Steven P. Cobourn, as attorney-in-fact for Stephen W. Webster
All SEC filings
View on sec.gov
Get insider transactions for this reporting owner
Stephen W. Webster has filed 73 SEC EDGAR filings since 6/24/2008

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing Jun 24, 2025 Jun 20, 2025 001-38905
4 Open Document Open Filing 4 Jun 16, 2025 Jun 12, 2025 001-39856
4 Open Document Open Filing Apr 8, 2025 Apr 4, 2025 001-38663
4 Open Document Open Filing 4 Jun 27, 2024 Jun 26, 2024 001-39856
4 Open Document Open Filing Jun 21, 2024 Jun 20, 2024 001-38905
4 Open Document Open Filing Jun 20, 2024 Jun 17, 2024 001-38663
4 Open Document Open Filing Apr 30, 2024 Apr 26, 2024 001-38663
3 Open Document Open Filing Apr 30, 2024 Apr 26, 2024 001-38663
4 Open Document Open Filing Jun 23, 2023 Jun 22, 2023 001-38905
4 Open Document Open Filing 4 Jun 12, 2023 Jun 8, 2023 001-39856
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 1, 2023 Jun 1, 2023 001-38811
4 Open Document Open Filing FORM 4 SUBMISSION Dec 19, 2022 Dec 15, 2022 001-38811
4 Open Document Open Filing OWNERSHIP DOCUMENT Aug 4, 2022 Aug 2, 2022 001-37558
4 Open Document Open Filing FORM 4 Jun 24, 2022 Jun 23, 2022 001-38905
4 Open Document Open Filing FORM 4 SUBMISSION Jun 23, 2022 Jun 22, 2022 001-39856
4 Open Document Open Filing FORM 4 SUBMISSION Mar 25, 2022 Sep 16, 2021 001-39856
4 Open Document Open Filing FORM 4 SUBMISSION Dec 10, 2021 Dec 9, 2021 001-38811
4 Open Document Open Filing OWNERSHIP DOCUMENT Aug 4, 2021 Aug 2, 2021 001-37558
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 30, 2021 Jul 28, 2021 001-37558
4 Open Document Open Filing FORM 4 Jun 28, 2021 Jun 24, 2021 001-38905
3 Open Document Open Filing FORM 3 SUBMISSION Jan 7, 2021 Jan 7, 2021 001-39856
4 Open Document Open Filing FORM 4 SUBMISSION Dec 11, 2020 Dec 10, 2020 001-38811
4 Open Document Open Filing 4 Jul 31, 2020 Jul 29, 2020 001-37558
4 Open Document Open Filing PRIMARY DOCUMENT Jun 15, 2020 Jun 11, 2020 001-38905
4 Open Document Open Filing FORM 4 SUBMISSION May 4, 2020 Apr 30, 2020 001-38811
3 Open Document Open Filing FORM 3 SUBMISSION May 4, 2020 Apr 30, 2020 001-38811
4 Open Document Open Filing FORM 4 SUBMISSION Jan 3, 2020 Jan 2, 2020 001-37355
4 Open Document Open Filing FORM 4 SUBMISSION Dec 17, 2019 Dec 17, 2019 001-36819
4 Open Document Open Filing 4 Aug 1, 2019 Jul 31, 2019 001-37558
4 Open Document Open Filing PRIMARY DOCUMENT Jun 17, 2019 Jun 13, 2019 001-38905
3 Open Document Open Filing PRIMARY DOCUMENT May 8, 2019 May 8, 2019 001-38905
4 Open Document Open Filing FORM 4 Jan 23, 2019 Jan 18, 2019 001-36819
4 Open Document Open Filing FORM 4 Jan 17, 2019 Jan 15, 2019 001-36819
4 Open Document Open Filing FORM 4 SUBMISSION Jan 3, 2019 Jan 2, 2019 001-37355
4 Open Document Open Filing FORM 4 SUBMISSION May 31, 2018 May 29, 2018 001-37355
4 Open Document Open Filing 4 May 23, 2018 May 23, 2018 001-37558
4 Open Document Open Filing 4 May 4, 2018 May 2, 2018 001-37558
4 Open Document Open Filing FORM 4 Jan 22, 2018 Jan 18, 2018 001-36819
4 Open Document Open Filing FORM 4 SUBMISSION Jan 3, 2018 Jan 2, 2018 001-37355
4 Open Document Open Filing FORM 4 Nov 20, 2017 Nov 16, 2017 001-36819
4 Open Document Open Filing 4 Sep 19, 2017 Sep 15, 2017 001-37558
4 Open Document Open Filing FORM 4 Aug 15, 2017 Aug 15, 2017 001-36819
4 Open Document Open Filing FORM 4 Aug 2, 2017 Jul 31, 2017 001-36819
4 Open Document Open Filing 4 Jun 27, 2017 Jun 23, 2017 001-38132
4 Open Document Open Filing FORM 4 Jun 21, 2017 Jun 19, 2017 001-36819
4 Open Document Open Filing FORM 4 Apr 26, 2017 Apr 24, 2017 001-36819
4 Open Document Open Filing FORM 4 Jan 20, 2017 Jan 18, 2017 001-36819
4 Open Document Open Filing FORM 4 SUBMISSION Jan 5, 2017 Jan 3, 2017 001-37355
3 Open Document Open Filing 3 Dec 30, 2016 Dec 30, 2016 001-37558
4 Open Document Open Filing FORM 4 May 24, 2016 May 20, 2016 001-36819
4 Open Document Open Filing FORM 4 Jan 7, 2016 Jan 5, 2016 001-36819
4 Open Document Open Filing FORM 4 SUBMISSION Jan 6, 2016 Jan 4, 2016 001-37355
4 Open Document Open Filing FORM 4 SUBMISSION Oct 9, 2015 Oct 7, 2015 001-36819
4 Open Document Open Filing FORM 4 SUBMISSION Apr 30, 2015 Apr 28, 2015 001-37355
3 Open Document Open Filing FORM 3 SUBMISSION Apr 28, 2015 Apr 28, 2015 001-37355
4 Open Document Open Filing FORM 4 SUBMISSION Mar 18, 2015 Mar 16, 2015 001-36819
4 Open Document Open Filing FORM 4 SUBMISSION Feb 6, 2015 Feb 4, 2015 001-36819
3 Open Document Open Filing FORM 3 SUBMISSION Jan 29, 2015 Jan 29, 2015 001-36819