SEC EDGAR filings, ownership reports, and insider transactions for Willem P.C. Duyvesteyn.
Recent SEC filings for Willem P.C. Duyvesteyn including 4, SC 13G, 3.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Apr 2022 | 18 Apr 2022 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 May 2021 | 03 May 2021 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Feb 2021 | 08 Feb 2021 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2020 | 13 Nov 2020 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Nov 2020 | 05 Nov 2020 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Apr 2020 | 17 Apr 2020 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Mar 2020 | 19 Mar 2020 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jan 2020 | 01 Jan 2020 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Jul 2019 | 25 Jul 2019 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2019 | 09 May 2019 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Mar 2019 | 22 Mar 2019 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Apr 2018 | 18 Apr 2018 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Jan 2018 | 19 Jan 2018 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2017 | 21 Feb 2017 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2017 | 20 Feb 2017 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2016 | 08 Feb 2016 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Apr 2015 | 16 Dec 2014 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Jul 2014 | 25 Jul 2014 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Mar 2014 | 25 Mar 2014 | 000-54416 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 12 Feb 2014 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2013 | 09 May 2013 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Mar 2013 | 14 Mar 2013 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Aug 2012 | 08 Aug 2012 | 000-54416 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 13 Aug 2012 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jul 2012 | 20 Jul 2012 | 000-54416 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Apr 2012 | 24 Apr 2012 | 000-54416 |
| 3 | Open 3 document | View SEC filing for 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 22 Jul 2011 | 12 Jul 2011 | 000-54416 |
Willem P.C. Duyvesteyn files with the SEC under CIK 0001525841. This page aggregates EDGAR filings and related ownership activity.