| Date Filed | Type | Description |
| 08/14/2023 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 05/15/2023 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 11/14/2022 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 08/15/2022 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 05/16/2022 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 02/11/2022 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 11/12/2021 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 08/13/2021 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 05/13/2021 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 03/31/2021 |
3
| Form 3 - Initial statement of beneficial ownership of securities: |
| 02/16/2021 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 11/12/2020 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 08/14/2020 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 05/14/2020 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 02/14/2020 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 11/13/2019 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 08/14/2019 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 05/15/2019 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 02/14/2019 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 08/14/2018 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 05/11/2018 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 08/14/2017 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 05/15/2017 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice |
| 02/14/2017 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice |
| 11/15/2016 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice |
| 08/15/2016 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice |
| 05/16/2016 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice |
| 02/16/2016 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice |
| 11/10/2014 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 11/10/2014 |
SC 13G/A
| DELAWARE MANAGEMENT BUSINESS TRUST reports a 7.5% stake in Abiomed Inc. |
| 06/10/2014 |
SC 13G/A
| DELAWARE MANAGEMENT BUSINESS TRUST reports a 10.1% stake in DineEquity Inc. |
| 06/10/2014 |
SC 13G/A
| DELAWARE MANAGEMENT BUSINESS TRUST reports a 3.1% stake in NeuStar Inc. |
| 06/10/2014 |
SC 13G/A
| DELAWARE MANAGEMENT BUSINESS TRUST reports a 6% stake in J2 Global Inc. |
| 06/10/2014 |
SC 13G/A
| DELAWARE MANAGEMENT BUSINESS TRUST reports a 5.2% stake in VeriFone Systems, Inc. |
|