Entity Type
Individual
SEC filings, ownership reports, and insider transactions for CIK 0001617927.
Entity Type
Individual
Total Filings
22
Latest Filing
08 Apr 2026
Industry
n/a
Save this filer for return loops, then jump into the latest filing evidence.
Save this research page
Create a free account to save this filer and follow future SEC filing updates.
William S. Singer has filed 22 SEC EDGAR filings since 29 Aug 2014. Common forms include 4, 4/A, 3.
Recent SEC filings for William S. Singer with direct links to document and filing folders.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 08 Apr 2026 | 07 Apr 2026 | 001-40458 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 17 Oct 2025 | 06 Aug 2025 | 001-40458 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 02 Jul 2025 | 30 Jun 2025 | 001-40458 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 07 Apr 2025 | 03 Apr 2025 | 001-40458 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 10 Apr 2024 | 08 Apr 2024 | 001-40458 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 31 Mar 2023 | 29 Mar 2023 | 001-40458 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 20 Dec 2022 | 16 Dec 2022 | 001-40458 |
| 4/A | Open 4/A document | View SEC filing for 4/A | OWNERSHIP DOCUMENT | 01 Dec 2022 | 15 Nov 2022 | 001-40458 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 17 Nov 2022 | 15 Nov 2022 | 001-40458 |
| 4/A | Open 4/A document | View SEC filing for 4/A | OWNERSHIP DOCUMENT | 23 Jun 2022 | 05 Apr 2022 | 001-40458 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 06 Apr 2022 | 05 Apr 2022 | 001-40458 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 15 Jul 2021 | 13 Jul 2021 | 001-40458 |
| 3 | Open 3 document | View SEC filing for 3 | OWNERSHIP DOCUMENT | 14 Jun 2021 | 04 Jun 2021 | 001-40458 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 03 Dec 2020 | 01 Dec 2020 | 001-38045 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 27 Nov 2020 | 24 Nov 2020 | 001-38045 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 24 Mar 2020 | 20 Mar 2020 | 001-38045 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 15 Apr 2019 | 15 Mar 2019 | 001-38045 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 24 Jan 2019 | 22 Jan 2019 | 001-38045 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Mar 2018 | 13 Mar 2018 | 001-38045 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 21 Mar 2017 | 17 Mar 2017 | 000-55275 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 23 Nov 2016 | 21 Nov 2016 | 000-55275 |
| 3 | Open 3 document | View SEC filing for 3 | OWNERSHIP DOCUMENT | 29 Aug 2014 | 29 Aug 2014 | 000-55275 |
William S. Singer files with the SEC under CIK 0001617927. This page aggregates EDGAR filings and related ownership activity.