| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2023 | 22 Oct 2023 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Oct 2023 | 05 Oct 2023 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Aug 2023 | 09 Mar 2023 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Oct 2022 | 22 Oct 2022 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jun 2022 | 16 Jun 2022 | 000-14665 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2022 | 16 May 2022 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jan 2022 | 22 Dec 2021 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Oct 2021 | 22 Oct 2021 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Sep 2021 | 10 Sep 2021 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2021 | 26 Apr 2021 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Apr 2021 | 07 Apr 2021 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Dec 2020 | 02 Dec 2020 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Dec 2020 | 11 Dec 2020 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Oct 2020 | 22 Oct 2020 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Sep 2020 | 22 Sep 2020 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jun 2020 | 15 Jun 2020 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2019 | 22 Oct 2019 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2018 | 22 Oct 2018 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Sep 2018 | 26 Sep 2018 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Jun 2018 | 01 Jun 2018 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2018 | 26 Feb 2018 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Dec 2017 | 03 Nov 2017 | 001-14905 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 27 Oct 2017 | 22 Oct 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2017 | 22 Oct 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jul 2017 | 26 Jun 2017 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 May 2017 | 24 May 2017 | 000-20355 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 11 Jan 2017 | 23 Dec 2016 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jan 2017 | 23 Dec 2016 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2016 | 22 Oct 2016 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Oct 2015 | 22 Oct 2015 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Mar 2015 | 06 Mar 2015 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2015 | 27 Feb 2015 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Nov 2014 | 12 Sep 2014 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Oct 2014 | 22 Oct 2014 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 FOR GIFT TO HARVARD-WESTLAKE SCHOOL | 26 Feb 2014 | 19 Feb 2014 | 001-14905 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jan 2014 | 15 Jan 2014 | 000-20355 |