| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2024 | 28 May 2024 | 001-39423 |
| 144 | Open Document | Open Filing | 28 May 2024 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2024 | 21 Mar 2024 | 001-39423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2024 | 05 Mar 2024 | 001-39423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2024 | 04 Mar 2024 | 001-39423 |
| 144 | Open Document | Open Filing | 04 Mar 2024 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 May 2023 | 30 May 2023 | 001-39423 |
| 144 | Open Document | Open Filing | 30 May 2023 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Mar 2023 | 21 Mar 2023 | 001-39423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2023 | 03 Mar 2023 | 001-39423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2023 | 01 Mar 2023 | 001-39423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2022 | 27 May 2022 | 001-39423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2022 | 08 Mar 2022 | 001-39423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2022 | 01 Mar 2022 | 001-39423 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2022 | 30 Nov 2021 | 001-39423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2021 | 30 Nov 2021 | 001-39423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2021 | 28 May 2021 | 001-39423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Mar 2021 | 13 Mar 2021 | 001-39423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Nov 2020 | 17 Nov 2020 | 001-39423 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 04 Aug 2020 | 04 Aug 2020 | 001-39423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2015 | 05 Mar 2015 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B5-1 SALE 12.1.14 | 03 Dec 2014 | 01 Dec 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B5-1 SALE (10/27/14) | 28 Oct 2014 | 27 Oct 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B5-1 SALE (9/29/14) | 30 Sep 2014 | 29 Sep 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B5-1 SALE (9/2/14) | 24 Sep 2014 | 22 Sep 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B5-1 SALE (9/2/14) | 04 Sep 2014 | 02 Sep 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM RSU TABLE I | 29 Aug 2014 | 29 Aug 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B5-1 8/26/14 | 27 Aug 2014 | 26 Aug 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B5-1 6/25/14 | 28 Jul 2014 | 25 Jul 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B5-1 6/23/14 | 25 Jun 2014 | 23 Jun 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B5-1 6/20/14 | 23 Jun 2014 | 20 Jun 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM RSU VEST 6/1/14 | 03 Jun 2014 | 01 Jun 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B5-1 (5/21/14) | 23 May 2014 | 21 May 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 2014 AWARDS (5/2/14) | 05 May 2014 | 01 May 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B5-1 (4/21/14) | 22 Apr 2014 | 21 Apr 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B5-1 (3/21/14) | 24 Mar 2014 | 21 Mar 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM RSU VEST 3/1/14 | 04 Mar 2014 | 01 Mar 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B-5 2/21/14 | 24 Feb 2014 | 21 Feb 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B-5 2/20/14 | 21 Feb 2014 | 20 Feb 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B-5 01/22/14 | 23 Jan 2014 | 22 Jan 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B-5 01/21/14 | 22 Jan 2014 | 21 Jan 2014 | 001-35215 |
| 4 | Open Document | Open Filing | BELLM 10B-5 01/02/14 | 03 Jan 2014 | 02 Jan 2014 | 001-35215 |