William S. Singer

Business address
C/O Kirkland & Ellis Llp, 300 North Lasalle, Chicago, IL, 60654
Top holdings (ownership)
TAOX
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William S. Singer has filed 21 SEC EDGAR filings since 29 Aug 2014

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Oct 2025 06 Aug 2025 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Jul 2025 30 Jun 2025 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Apr 2025 03 Apr 2025 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT 10 Apr 2024 08 Apr 2024 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT 31 Mar 2023 29 Mar 2023 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Dec 2022 16 Dec 2022 001-40458
4/A Open Document Open Filing OWNERSHIP DOCUMENT 01 Dec 2022 15 Nov 2022 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Nov 2022 15 Nov 2022 001-40458
4/A Open Document Open Filing OWNERSHIP DOCUMENT 23 Jun 2022 05 Apr 2022 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Apr 2022 05 Apr 2022 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT 15 Jul 2021 13 Jul 2021 001-40458
3 Open Document Open Filing OWNERSHIP DOCUMENT 14 Jun 2021 04 Jun 2021 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Dec 2020 01 Dec 2020 001-38045
4 Open Document Open Filing OWNERSHIP DOCUMENT 27 Nov 2020 24 Nov 2020 001-38045
4 Open Document Open Filing OWNERSHIP DOCUMENT 24 Mar 2020 20 Mar 2020 001-38045
4 Open Document Open Filing OWNERSHIP DOCUMENT 15 Apr 2019 15 Mar 2019 001-38045
4 Open Document Open Filing OWNERSHIP DOCUMENT 24 Jan 2019 22 Jan 2019 001-38045
4 Open Document Open Filing FORM 4 15 Mar 2018 13 Mar 2018 001-38045
4 Open Document Open Filing OWNERSHIP DOCUMENT 21 Mar 2017 17 Mar 2017 000-55275
4 Open Document Open Filing OWNERSHIP DOCUMENT 23 Nov 2016 21 Nov 2016 000-55275
3 Open Document Open Filing OWNERSHIP DOCUMENT 29 Aug 2014 29 Aug 2014 000-55275