| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 21 Dec 2022 | 20 Dec 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2022 | 10 Nov 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Oct 2022 | 28 Oct 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Oct 2022 | 27 Oct 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Oct 2022 | 25 Oct 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Oct 2022 | 24 Oct 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Oct 2022 | 17 Oct 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Oct 2022 | 13 Oct 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Oct 2022 | 05 Oct 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Sep 2022 | 12 Sep 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Aug 2022 | 18 Aug 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Aug 2022 | 16 Aug 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Aug 2022 | 12 Aug 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2022 | 15 Jun 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2022 | 06 Jun 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2022 | 01 Jun 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 31 May 2022 | 27 May 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2022 | 26 May 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 25 May 2022 | 23 May 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2022 | 13 May 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 11 May 2022 | 10 May 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2022 | 15 Mar 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Mar 2022 | 11 Mar 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2022 | 02 Jan 2022 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2021 | 06 Dec 2021 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2021 | 02 Dec 2021 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Dec 2021 | 01 Dec 2021 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Nov 2021 | 23 Nov 2021 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2021 | 11 Mar 2021 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2021 | 02 Jan 2021 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2020 | 05 Jun 2020 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2020 | 11 Mar 2020 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2020 | 03 Mar 2020 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2020 | 02 Jan 2020 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Nov 2019 | 04 Nov 2019 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Sep 2019 | 12 Sep 2019 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2019 | 06 Jun 2019 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Mar 2019 | 11 Mar 2019 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Feb 2019 | 06 Feb 2019 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2019 | 02 Jan 2019 | 000-18953 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Nov 2018 | 04 Nov 2018 | 000-18953 |
| 3 | Open Document | Open Filing | FORM 3 | 05 Nov 2018 | 29 Oct 2018 | 000-18953 |