Tien Tzuo

Business address
C/O Zuora, Inc., 101 Redwood Shores Parkway, Redwood City, CA, 94065
Top holdings (ownership)
AMPL
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Tien Tzuo has filed 73 SEC EDGAR filings since 11 Apr 2018

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT 07 Oct 2025 05 Oct 2025 001-40817
4 Open Document Open Filing PRIMARY DOCUMENT 08 Jul 2025 05 Jul 2025 001-40817
4 Open Document Open Filing PRIMARY DOCUMENT 08 Apr 2025 05 Apr 2025 001-40817
4 Open Document Open Filing 4 25 Feb 2025 22 Feb 2025 001-40817
3 Open Document Open Filing 3 25 Feb 2025 22 Feb 2025 001-40817
SCHEDULE 13D/A Open Document Open Filing 19 Feb 2025
4 Open Document Open Filing FORM 4 14 Feb 2025 14 Feb 2025 001-38451
4 Open Document Open Filing FORM 4 05 Feb 2025 03 Feb 2025 001-38451
4/A Open Document Open Filing FORM 4/A 14 Jan 2025 31 Dec 2024 001-38451
4 Open Document Open Filing FORM 4 03 Jan 2025 31 Dec 2024 001-38451
144 Open Document Open Filing 03 Jan 2025
SC 13D Open Document Open Filing SC 13D 23 Oct 2024
4 Open Document Open Filing FORM 4 03 Oct 2024 01 Oct 2024 001-38451
144 Open Document Open Filing 03 Oct 2024
4 Open Document Open Filing FORM 4 02 Oct 2024 30 Sep 2024 001-38451
4 Open Document Open Filing FORM 4 23 Jul 2024 19 Jul 2024 001-38451
4 Open Document Open Filing FORM 4 17 Jul 2024 16 Jul 2024 001-38451
4 Open Document Open Filing FORM 4 15 Jul 2024 11 Jul 2024 001-38451
4 Open Document Open Filing FORM 4 10 Jul 2024 08 Jul 2024 001-38451
4 Open Document Open Filing FORM 4 02 Jul 2024 30 Jun 2024 001-38451
144 Open Document Open Filing 01 Jul 2024
4 Open Document Open Filing FORM 4 24 Apr 2024 22 Apr 2024 001-38451
4 Open Document Open Filing FORM 4 19 Apr 2024 17 Apr 2024 001-38451
4 Open Document Open Filing FORM 4 02 Apr 2024 31 Mar 2024 001-38451
144 Open Document Open Filing 01 Apr 2024
SC 13G/A Open Document Open Filing SC 13G/A 08 Feb 2024
4 Open Document Open Filing FORM 4 26 Jan 2024 25 Jan 2024 001-38451
4 Open Document Open Filing FORM 4 24 Jan 2024 22 Jan 2024 001-38451
144 Open Document Open Filing 23 Jan 2024
4 Open Document Open Filing FORM 4 03 Jan 2024 31 Dec 2023 001-38451
144 Open Document Open Filing 02 Jan 2024
4 Open Document Open Filing FORM 4 07 Dec 2023 06 Dec 2023 001-38451
144 Open Document Open Filing 06 Dec 2023
4 Open Document Open Filing FORM 4 03 Oct 2023 07 Sep 2023 001-38451
144 Open Document Open Filing 29 Sep 2023
4 Open Document Open Filing FORM 4 05 Jul 2023 30 Jun 2023 001-38451
144 Open Document Open Filing 30 Jun 2023
4 Open Document Open Filing FORM 4 28 Apr 2023 25 Apr 2023 001-38451
4 Open Document Open Filing FORM 4 04 Apr 2023 31 Mar 2023 001-38451
SC 13G/A Open Document Open Filing SC 13G/A 13 Feb 2023
4 Open Document Open Filing FORM 4 04 Jan 2023 28 Jun 2022 001-38451
4 Open Document Open Filing FORM 4 04 Oct 2022 30 Sep 2022 001-38451
4 Open Document Open Filing FORM 4 21 Jul 2022 21 Jul 2022 001-32887
4 Open Document Open Filing FORM 4 05 Jul 2022 30 Jun 2022 001-38451
4 Open Document Open Filing FORM 4 09 Jun 2022 07 Jun 2022 001-38451
4 Open Document Open Filing FORM 4 04 Apr 2022 31 Mar 2022 001-38451
4 Open Document Open Filing FORM 4 21 Mar 2022 17 Mar 2022 001-38451
SC 13G/A Open Document Open Filing SC 13G/A 10 Feb 2022
4 Open Document Open Filing FORM 4 04 Jan 2022 31 Dec 2021 001-38451
4 Open Document Open Filing FORM 4 08 Dec 2021 07 Dec 2021 001-38451
4 Open Document Open Filing FORM 4 19 Oct 2021 15 Oct 2021 001-38451
4 Open Document Open Filing FORM 4 05 Oct 2021 01 Oct 2021 001-32887
4 Open Document Open Filing FORM 4 04 Oct 2021 30 Sep 2021 001-38451
4 Open Document Open Filing FORM 4 01 Sep 2021 30 Aug 2021 001-38451
4 Open Document Open Filing FORM 4 06 Jul 2021 01 Jul 2021 001-32887
4 Open Document Open Filing FORM 4 03 Jun 2021 01 Jun 2021 001-38451
4 Open Document Open Filing FORM 4 07 May 2021 05 May 2021 001-38451
4 Open Document Open Filing FORM 4 15 Apr 2021 14 Apr 2021 001-38451
4 Open Document Open Filing FORM 4 05 Apr 2021 01 Apr 2021 001-38451
4 Open Document Open Filing FORM 4 05 Apr 2021 01 Apr 2021 001-32887
4 Open Document Open Filing FORM 4 18 Mar 2021 16 Mar 2021 001-38451
SC 13G/A Open Document Open Filing SC 13G/A 16 Feb 2021
4 Open Document Open Filing FORM 4 26 Jan 2021 22 Jan 2021 001-38451
4 Open Document Open Filing FORM 4 05 Jan 2021 01 Jan 2021 001-32887
3 Open Document Open Filing FORM 3 20 Jul 2020 10 Jul 2020 001-32887
4 Open Document Open Filing FORM 4 28 May 2020 27 May 2020 001-38451
5 Open Document Open Filing FORM 5 11 Feb 2020 31 Jan 2020 001-38451
SC 13G/A Open Document Open Filing SC 13G/A 10 Feb 2020
4 Open Document Open Filing FORM 4 02 Jul 2019 07 May 2019 001-38451
5 Open Document Open Filing FORM 5 14 Feb 2019 31 Jan 2019 001-38451
SC 13G Open Document Open Filing SC 13G 13 Feb 2019
4 Open Document Open Filing FORM 4 SUBMISSION 16 Apr 2018 16 Apr 2018 001-38451
3 Open Document Open Filing FORM 3 SUBMISSION 11 Apr 2018 11 Apr 2018 001-38451