| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G | Report | Oct 13, 2021 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Apr 16, 2021 | |
| SC 13G/A | Report | SC 13G/A | Feb 16, 2021 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2021 | |
| SC 13G | Report | Jan 25, 2021 | ||
| SC 13G/A | Report | SC 13G/A | Feb 14, 2020 | |
| SC 13G/A | Report | Feb 14, 2020 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| SC 13G | Report | Feb 6, 2020 | ||
| SC 13G/A | Report | Feb 4, 2020 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Nov 18, 2019 | |
| SC 13G/A | Report | SC 13G/A | Oct 15, 2019 | |
| SC 13G | Report | SCHEDULE 13G | Jul 5, 2019 | |
| SC 13G/A | Report | Jun 10, 2019 | ||
| SC 13G | Report | May 15, 2019 | ||
| SC 13G/A | Report | Mar 11, 2019 | ||
| SC 13G/A | Report | Feb 13, 2019 | ||
| SC 13G/A | Report | Feb 11, 2019 | ||
| SC 13G/A | Report | Jan 31, 2019 | ||
| SC 13G/A | Report | Sep 10, 2018 | ||
| SC 13G/A | Report | Feb 23, 2018 | ||
| SC 13G/A | Report | Feb 13, 2018 | ||
| SC 13G/A | Report | Feb 12, 2018 | ||
| SC 13G/A | Report | Jan 19, 2018 | ||
| SC 13G/A | Report | STAMPS.COM 13G/AM1 | Feb 22, 2017 | |
| SC 13G/A | Report | Feb 14, 2017 | ||
| SC 13G/A | Report | Feb 10, 2017 | ||
| SC 13G/A | Report | Jan 17, 2017 | ||
| SC 13G/A | Report | Dec 9, 2016 | ||
| SC 13G | Report | Aug 8, 2016 | ||
| SC 13G/A | Report | Feb 12, 2016 | ||
| SC 13G | Report | Feb 10, 2016 | ||
| SC 13G/A | Report | Jan 27, 2016 | ||
| SC 13G/A | Report | Feb 13, 2015 | ||
| SC 13G/A | Report | Jan 23, 2015 | ||
| SC 13G | Report | Jan 14, 2015 | ||
| SC 13G/A | Report | Feb 14, 2014 | ||
| SC 13G/A | Report | Feb 11, 2014 | ||
| SC 13G/A | Report | Jan 30, 2014 | ||
| SC 13G/A | Report | Feb 14, 2013 | ||
| SC 13G/A | Report | 2012 13G | Feb 12, 2013 | |
| SC 13G | Report | Feb 11, 2013 | ||
| SC 13G/A | Report | Feb 8, 2013 | ||
| SC 13G | Report | Oct 10, 2012 | ||
| SC 13G/A | Report | May 10, 2012 | ||
| SC 13G | Report | CCI 13G FILING FOR STMP AS OF 12/31/2011 | Mar 1, 2012 | |
| SC 13G/A | Report | 2011-12-31 STMP 13G-A2 | Feb 14, 2012 | |
| SC 13G | Report | Feb 14, 2012 | ||
| SC 13G/A | Report | DISCLOSURE DOCUMENT | Feb 14, 2012 | |
| SC 13G/A | Report | 13G/A | Feb 13, 2012 | |
| SC 13G/A | Report | Feb 13, 2012 | ||
| SC 13G/A | Report | Feb 10, 2012 | ||
| SC 13G | Report | Jan 30, 2012 | ||
| SC 13G/A | Report | 2010-12-31 STMP 13G-A1 | Feb 14, 2011 | |
| SC 13G/A | Report | SEC FILING | Feb 14, 2011 | |
| SC 13G/A | Report | Feb 11, 2011 | ||
| SC 13G/A | Report | 13G AMENDMENT | Feb 11, 2011 | |
| SC 13G | Report | Feb 8, 2011 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Mar 8, 2010 | |
| SC 13G | Report | 2009-12-31 STMP 13G | Feb 12, 2010 | |
| SC 13G | Report | SEC FILING | Feb 12, 2010 | |
| SC 13G/A | Report | 13G/A | Feb 12, 2010 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Jan 29, 2010 |