SEC EDGAR filings, ownership reports, and insider transactions for SPERO W. VALAVANIS.
Recent SEC filings for SPERO W. VALAVANIS including 4, 4/A, 5.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 01 Mar 2023 | 28 Feb 2023 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 25 Feb 2022 | 24 Feb 2022 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2021 | 03 Mar 2021 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Feb 2020 | 24 Feb 2020 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Feb 2019 | 27 Feb 2019 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Feb 2018 | 27 Feb 2018 | 000-10792 |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 22 Mar 2017 | 27 Feb 2017 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Feb 2017 | 27 Feb 2017 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Feb 2016 | 12 Feb 2016 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Mar 2015 | 16 Mar 2015 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Mar 2015 | 12 Mar 2015 | 000-10792 |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 07 Feb 2014 | 07 Feb 2014 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Feb 2014 | 06 Feb 2014 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2013 | 06 Feb 2013 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Nov 2012 | 19 Nov 2012 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Mar 2012 | 20 Mar 2012 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2012 | 06 Dec 2011 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Feb 2011 | 25 Feb 2011 | 000-10792 |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 20 Jan 2011 | 31 Dec 2010 | 000-10792 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2010 | 08 Feb 2010 | 000-10792 |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 28 Jan 2010 | 31 Dec 2009 | 000-10792 |
SPERO W. VALAVANIS files with the SEC under CIK 0001137694. This page aggregates EDGAR filings and related ownership activity.