| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13D/A | Report | SC 13D/A | Aug 11, 2022 | |
| SC 13D/A | Report | Jul 11, 2022 | ||
| SC 13D/A | Report | AMENDMENT NO. 2 | Apr 8, 2022 | |
| SC 13D/A | Report | AMENDMENT NO.1 | Apr 7, 2022 | |
| SC 13D/A | Report | SIERRA ONCOLOGY 13D AMENDMENT NO. 3 | Mar 21, 2022 | |
| SC 13D/A | Report | SC 13D/A | Feb 25, 2022 | |
| SC 13D/A | Report | SC 13D/A | Feb 10, 2022 | |
| SC 13D/A | Report | SC 13D/A | Nov 5, 2021 | |
| SC 13D | Report | SC 13D | Oct 4, 2021 | |
| SC 13D | Report | SC 13D | Sep 3, 2021 | |
| SC 13D | Report | SC 13D | May 24, 2021 | |
| SC 13D | Report | SC 13D | Apr 20, 2021 | |
| SC 13D/A | Report | SC 13D/A | Mar 16, 2021 | |
| SC 13D | Report | SC 13D | Mar 8, 2021 | |
| SC 13D | Report | SC 13D | Oct 16, 2020 | |
| SC 13D | Report | SC 13D | Sep 28, 2020 | |
| SC 13D/A | Report | VERONA PHARMA PLC AMENDMENT NO. 1 | Jul 31, 2020 | |
| SC 13D/A | Report | SC 13D/A | Jul 6, 2020 | |
| SC 13D | Report | SIERRA 13D | Feb 10, 2020 | |
| SC 13D/A | Report | ARTARA THERAP., INC. (FORMERLY PROTEON THERAP.) AMEND. 3 | Jan 17, 2020 | |
| SC 13D/A | Report | SC 13D/A | Nov 14, 2019 | |
| SC 13D | Report | SC 13D | Aug 9, 2019 | |
| SC 13D/A | Report | AMENDMENT NO. 2 | Jun 17, 2019 | |
| SC 13D | Report | SC 13D | Dec 27, 2018 | |
| SC 13D/A | Report | SIENTRA 13D AMENDMENT NO. 1 | May 9, 2018 | |
| SC 13D/A | Report | CRISPR AMENDMENT NO. 2 | Jan 16, 2018 | |
| SC 13D/A | Report | SC 13D AMENDMENT NO. 1 | Aug 14, 2017 | |
| SC 13D/A | Report | PROTEON 13D AMENDMENT NO. 1 | Jun 27, 2017 | |
| SC 13D | Report | VERONA PHARMA PLC SC 13D | May 8, 2017 | |
| SC 13D/A | Report | LOMBARD MEDICAL 13D/AM3 | Jan 23, 2017 | |
| SC 13D/A | Report | AMENDMENT NO. 2 | Nov 22, 2016 | |
| SC 13D | Report | SC 13D | Nov 3, 2016 | |
| SC 13D/A | Report | SC 13D/A | Apr 3, 2015 | |
| SC 13D | Report | SIENTRA, INC. | Nov 7, 2014 | |
| SC 13D | Report | SC 13D | Oct 31, 2014 | |
| SC 13D/A | Report | AMENDMENT NO. 2 | Oct 1, 2014 | |
| SC 13D/A | Report | AMENDMENT NO. 1 | Aug 25, 2014 | |
| SC 13D | Report | May 9, 2014 | ||
| SC 13D | Report | DICERNA 13D | Feb 14, 2014 | |
| SC 13D/A | Report | AMENDMENT NO.10 | Jul 22, 2013 | |
| SC 13D/A | Report | AMENDMENT NO.9 | Jul 30, 2012 | |
| SC 13D/A | Report | AMENDMENT NO.8 | Jun 6, 2012 | |
| SC 13D/A | Report | AMENDMENT NO. 7 | Apr 27, 2012 | |
| SC 13D/A | Report | AMENDMENT NO. 6 | Apr 16, 2012 | |
| SC 13D/A | Report | SC 13D/A | Oct 20, 2011 | |
| SC 13D/A | Report | SC 13D/A | May 6, 2011 | |
| SC 13D/A | Report | SC13DAM3 | Mar 16, 2011 | |
| SC 13D/A | Report | SC13DAM2 | Jan 21, 2011 | |
| SC 13D/A | Report | SC13DAM1 | Dec 23, 2010 | |
| SC 13D/A | Report | SCHEDULE 13D AMENDMENT NO. 1 | Oct 28, 2010 | |
| SC 13D | Report | SCHEDULE 13D | Aug 20, 2010 |