| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| SC 13G/A | Report | Jan 24, 2024 | ||
| SC 13G/A | Report | Feb 14, 2023 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2023 | |
| SC 13G/A | Report | Jan 30, 2023 | ||
| SC 13G/A | Report | Dec 7, 2022 | ||
| SC 13G/A | Report | Feb 14, 2022 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2022 | |
| SC 13G/A | Report | Feb 3, 2022 | ||
| SC 13G/A | Report | Feb 16, 2021 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2021 | |
| SC 13G/A | Report | Jan 29, 2021 | ||
| SC 13G/A | Report | Feb 14, 2020 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| SC 13G/A | Report | Feb 7, 2020 | ||
| SC 13G/A | Report | Feb 5, 2020 | ||
| SC 13G/A | Report | Feb 14, 2019 | ||
| SC 13G/A | Report | Feb 13, 2019 | ||
| SC 13G/A | Report | Feb 11, 2019 | ||
| SC 13G/A | Report | Feb 4, 2019 | ||
| SC 13G/A | Report | Feb 14, 2018 | ||
| SC 13G/A | Report | Feb 14, 2018 | ||
| SC 13G/A | Report | Feb 13, 2018 | ||
| SC 13G | Report | Feb 1, 2018 | ||
| SC 13G/A | Report | Jan 10, 2018 | ||
| SC 13G/A | Report | Aug 10, 2017 | ||
| SC 13G/A | Report | May 9, 2017 | ||
| SC 13G | Report | Feb 14, 2017 | ||
| SC 13G/A | Report | 13G/A | Feb 14, 2017 | |
| SC 13G/A | Report | Feb 10, 2017 | ||
| SC 13G/A | Report | Feb 7, 2017 | ||
| SC 13G/A | Report | Jan 23, 2017 | ||
| SC 13G | Report | CBOE HOLDINGS, INC. | Feb 11, 2016 | |
| SC 13G/A | Report | CBOE AS OF 12/31/2015 | Feb 11, 2016 | |
| SC 13G/A | Report | Feb 10, 2016 | ||
| SC 13G/A | Report | Jan 26, 2016 | ||
| SC 13G | Report | CBOE | Feb 20, 2015 | |
| SC 13G/A | Report | Feb 10, 2015 | ||
| SC 13G/A | Report | CBOE AS OF 01/31/2015 | Feb 10, 2015 | |
| SC 13G/A | Report | CBOE AS OF 12/31/2014 | Feb 9, 2015 | |
| SC 13G/A | Report | Jan 30, 2015 | ||
| SC 13G | Report | CBOE | Feb 25, 2014 | |
| SC 13G | Report | Feb 12, 2014 | ||
| SC 13G/A | Report | CBOE AS OF 12/31/2013 | Feb 11, 2014 | |
| SC 13G | Report | HORIZONTHIRTEENGCBOE | Feb 7, 2014 | |
| SC 13G/A | Report | Jan 28, 2014 | ||
| SC 13G/A | Report | CBOE AS OF 12/31/2012 | Feb 7, 2013 | |
| SC 13G | Report | Jan 30, 2013 | ||
| SC 13G | Report | HORIZONTHIRTEENGCBOETH | Jan 25, 2013 | |
| SC 13G/A | Report | CBOE AS OF 12/31/2011 | Feb 13, 2012 | |
| SC 13G | Report | HORIZONTHIRTEENGCBOETW | Jan 26, 2012 | |
| SC 13G/A | Report | HORIZONTHIRTEENGCBOEA | Jun 14, 2011 | |
| SC 13G | Report | HORIZONTHIRTEENGCBOE | Jun 10, 2011 | |
| SC 13G/A | Report | CBOE AS OF 12/31/2010 | Jan 10, 2011 | |
| SC 13G | Report | CBOE AS OF 6/30/2010 | Jul 12, 2010 |