| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2022 | |
| SC 13G/A | Report | Feb 2, 2022 | ||
| SC 13G/A | Report | Jan 27, 2022 | ||
| SC 13G/A | Report | Jan 25, 2022 | ||
| SC 13G | Report | Jan 19, 2022 | ||
| SC 13G/A | Report | JANUS HENDERSON GROUP PLC OWNS 3.4% | Feb 11, 2021 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2021 | |
| SC 13G | Report | Feb 9, 2021 | ||
| SC 13G | Report | Jan 25, 2021 | ||
| SC 13G/A | Report | JANUS HENDERSON GROUP PLC OWNS 5.2% OF NATUS | Feb 13, 2020 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| SC 13G/A | Report | Feb 4, 2020 | ||
| SC 13G/A | Report | SC 13G/A | Feb 14, 2019 | |
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 12, 2019 | |
| SC 13G/A | Report | JANUS HENDERSON GROUP PLC ANNUAL AMENDMENT | Feb 12, 2019 | |
| SC 13G/A | Report | Feb 11, 2019 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 8, 2019 | |
| SC 13G/A | Report | Jan 31, 2019 | ||
| SC 13G | Report | SC 13G | Feb 14, 2018 | |
| SC 13G | Report | JANUS HENDERSON GROUP OWNS OVER 5% | Feb 12, 2018 | |
| SC 13G/A | Report | Feb 9, 2018 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 9, 2018 | |
| SC 13G | Report | SEC SCHEDULE 13G | Feb 8, 2018 | |
| SC 13G/A | Report | Jan 19, 2018 | ||
| SC 13G/A | Report | Feb 10, 2017 | ||
| SC 13G/A | Report | Jan 17, 2017 | ||
| SC 13G/A | Report | Apr 8, 2016 | ||
| SC 13G/A | Report | Feb 10, 2016 | ||
| SC 13G/A | Report | Jan 27, 2016 | ||
| SC 13G/A | Report | Jan 25, 2016 | ||
| SC 13G | Report | Feb 10, 2015 | ||
| SC 13G/A | Report | Feb 3, 2015 | ||
| SC 13G/A | Report | Jan 15, 2015 | ||
| SC 13G/A | Report | NATUS MEDICAL, INC. | Jan 6, 2015 |