Barbara Klencke

Business address
C/O Sierra Oncology, Inc., 1820 Gateway Drive, Suite 110, San Mateo, CA, 94404
Top holdings (ownership)
TCRX, ALXO, and XNCR
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Barbara Klencke has filed 36 SEC EDGAR filings since 15 Jul 2015

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 19 Sep 2025 17 Sep 2025 001-39386
4 Open Document Open Filing 4 02 Jul 2025 30 Jun 2025 001-40603
4 Open Document Open Filing PRIMARY DOCUMENT 16 Jun 2025 12 Jun 2025 001-36182
4 Open Document Open Filing 23 Jan 2025 21 Jan 2025 001-39386
3 Open Document Open Filing 23 Jan 2025 21 Jan 2025 001-39386
4 Open Document Open Filing 4 24 Sep 2024 23 Sep 2024 001-40603
4 Open Document Open Filing 4 27 Aug 2024 23 Aug 2024 001-40603
4 Open Document Open Filing PRIMARY DOCUMENT 17 Jun 2024 13 Jun 2024 001-36182
4 Open Document Open Filing 4 14 Jun 2024 12 Jun 2024 001-40603
4 Open Document Open Filing 4 13 Jun 2024 13 Jun 2024 001-39866
4 Open Document Open Filing FORM 4 SUBMISSION 21 Feb 2024 19 Feb 2024 001-39866
4 Open Document Open Filing 4 18 Dec 2023 14 Dec 2023 001-40603
4 Open Document Open Filing PRIMARY DOCUMENT 19 Sep 2023 15 Sep 2023 001-36182
3 Open Document Open Filing PRIMARY DOCUMENT 19 Sep 2023 15 Sep 2023 001-36182
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jun 2023 22 Jun 2023 001-39866
4 Open Document Open Filing FORM 4 SUBMISSION 15 Jun 2023 13 Jun 2023 001-40603
4 Open Document Open Filing FORM 4 SUBMISSION 10 Apr 2023 06 Apr 2023 001-40603
3 Open Document Open Filing FORM 3 SUBMISSION 10 Apr 2023 06 Apr 2023 001-40603
4 Open Document Open Filing FORM 4 SUBMISSION 24 Jan 2023 20 Jan 2023 001-39866
4 Open Document Open Filing FORM 4 SUBMISSION 01 Jul 2022 01 Jul 2022 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2022 17 Jun 2022 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 13 Jun 2022 09 Jun 2022 001-39866
4 Open Document Open Filing FORM 4 SUBMISSION 14 Mar 2022 14 Mar 2022 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 28 Jan 2022 28 Jan 2022 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 02 Nov 2021 01 Nov 2021 001-39866
3 Open Document Open Filing FORM 3 SUBMISSION 02 Nov 2021 01 Nov 2021 001-39866
4 Open Document Open Filing FORM 4 SUBMISSION 17 Mar 2021 15 Mar 2021 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 18 Aug 2020 18 Aug 2020 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 27 Feb 2020 25 Feb 2020 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 26 Aug 2019 22 Aug 2019 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 05 Mar 2019 04 Mar 2019 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 07 Mar 2018 06 Mar 2018 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 08 Mar 2017 06 Mar 2017 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 04 Oct 2016 30 Sep 2016 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 10 Mar 2016 08 Mar 2016 001-37490
3 Open Document Open Filing FORM 3 SUBMISSION 15 Jul 2015 15 Jul 2015 001-37490