| 13F-NT |
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17 Feb 2026 |
31 Dec 2025 |
028-16056 |
| 13F-NT |
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14 Nov 2025 |
30 Sep 2025 |
028-16056 |
| N-PX |
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29 Aug 2025 |
30 Jun 2025 |
028-16056 |
| 13F-NT |
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14 Aug 2025 |
30 Jun 2025 |
028-16056 |
| SCHEDULE 13G/A |
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13 Aug 2025 |
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| 4 |
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4 |
21 May 2025 |
19 May 2025 |
001-40951 |
| 13F-NT |
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15 May 2025 |
31 Mar 2025 |
028-16056 |
| 4 |
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4 |
17 Apr 2025 |
15 Apr 2025 |
001-40951 |
| 13F-NT |
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14 Feb 2025 |
31 Dec 2024 |
028-16056 |
| 13F-NT |
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14 Nov 2024 |
30 Sep 2024 |
028-16056 |
| SC 13G/A |
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SC 13G/A |
13 Nov 2024 |
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| N-PX |
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30 Aug 2024 |
30 Jun 2024 |
028-16056 |
| 13F-NT |
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14 Aug 2024 |
30 Jun 2024 |
028-16056 |
| 13F-NT |
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15 May 2024 |
31 Mar 2024 |
028-16056 |
| 4 |
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4 |
06 May 2024 |
02 May 2024 |
001-40951 |
| 4 |
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4 |
06 Mar 2024 |
04 Mar 2024 |
001-40951 |
| 13F-NT |
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14 Feb 2024 |
31 Dec 2023 |
028-16056 |
| SC 13G/A |
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13 Feb 2024 |
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| SC 13G/A |
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13 Feb 2024 |
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| SC 13G/A |
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SC 13G/A |
13 Feb 2024 |
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| 13F-NT |
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14 Nov 2023 |
30 Sep 2023 |
028-16056 |
| 13F-NT |
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14 Aug 2023 |
30 Jun 2023 |
028-16056 |
| 13F-NT |
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15 May 2023 |
31 Mar 2023 |
028-16056 |
| 4 |
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FORM 4 SUBMISSION |
06 Apr 2023 |
04 Apr 2023 |
001-40951 |
| 4 |
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FORM 4 SUBMISSION |
14 Mar 2023 |
10 Mar 2023 |
001-40951 |
| SC 13G/A |
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14 Feb 2023 |
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| SC 13G |
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14 Feb 2023 |
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| SC 13G/A |
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SC 13G/A |
14 Feb 2023 |
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| 13F-NT |
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14 Feb 2023 |
31 Dec 2022 |
028-16056 |
| 4 |
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FORM 4 SUBMISSION |
21 Nov 2022 |
17 Nov 2022 |
001-40951 |
| 13F-NT |
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14 Nov 2022 |
30 Sep 2022 |
028-16056 |
| 4 |
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FORM 4 SUBMISSION |
15 Sep 2022 |
13 Sep 2022 |
001-40951 |
| SC 13D/A |
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09 Sep 2022 |
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| 4 |
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FORM 4 SUBMISSION |
18 Aug 2022 |
16 Aug 2022 |
001-40951 |
| SC 13D/A |
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18 Aug 2022 |
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| 13F-NT |
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15 Aug 2022 |
30 Jun 2022 |
028-16056 |
| SC 13D/A |
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14 Jun 2022 |
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| 13F-NT |
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13 May 2022 |
31 Mar 2022 |
028-16056 |
| 13F-NT |
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14 Feb 2022 |
31 Dec 2021 |
028-16056 |
| SC 13G |
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SC 13G |
14 Feb 2022 |
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| SC 13G/A |
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14 Feb 2022 |
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| 4 |
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FORM 4 SUBMISSION |
20 Jan 2022 |
18 Jan 2022 |
001-40951 |
| 4 |
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16 Dec 2021 |
14 Dec 2021 |
001-36557 |
| SC 13D/A |
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16 Dec 2021 |
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| 13F-NT |
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15 Nov 2021 |
30 Sep 2021 |
028-16056 |
| 4 |
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15 Nov 2021 |
11 Nov 2021 |
001-36557 |
| 4 |
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FORM 4 SUBMISSION |
27 Oct 2021 |
25 Oct 2021 |
001-40951 |
| 3 |
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FORM 3 SUBMISSION |
21 Oct 2021 |
21 Oct 2021 |
001-40951 |
| SC 13D/A |
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16 Sep 2021 |
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| 4 |
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16 Sep 2021 |
14 Sep 2021 |
001-36557 |
| 13F-NT |
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16 Aug 2021 |
30 Jun 2021 |
028-16056 |
| SC 13D/A |
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26 Jul 2021 |
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| 13F-NT |
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17 May 2021 |
31 Mar 2021 |
028-16056 |
| 4 |
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12 Mar 2021 |
10 Mar 2021 |
001-36557 |
| SC 13D/A |
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12 Mar 2021 |
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| 4 |
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22 Feb 2021 |
18 Feb 2021 |
001-36557 |
| SC 13G |
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16 Feb 2021 |
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| 13F-NT |
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16 Feb 2021 |
31 Dec 2020 |
028-16056 |
| 4 |
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14 Dec 2020 |
10 Dec 2020 |
001-36557 |
| SC 13D/A |
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14 Dec 2020 |
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| 4 |
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18 Nov 2020 |
16 Nov 2020 |
001-36557 |
| 13F-NT |
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16 Nov 2020 |
30 Sep 2020 |
028-16056 |
| 4 |
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13 Nov 2020 |
11 Nov 2020 |
001-36557 |
| 13F-NT |
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14 Aug 2020 |
30 Jun 2020 |
028-16056 |
| 4 |
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15 Jun 2020 |
11 Jun 2020 |
001-36557 |
| 13F-NT |
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15 May 2020 |
31 Mar 2020 |
028-16056 |
| 13F-NT |
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14 Feb 2020 |
31 Dec 2019 |
028-16056 |
| SC 13D/A |
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26 Nov 2019 |
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| 13F-NT |
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14 Nov 2019 |
30 Sep 2019 |
028-16056 |
| 4 |
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07 Oct 2019 |
03 Oct 2019 |
001-36557 |
| 4 |
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03 Oct 2019 |
01 Oct 2019 |
001-36557 |
| 4 |
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12 Sep 2019 |
10 Sep 2019 |
001-36557 |
| SC 13D/A |
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29 Aug 2019 |
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| 13F-NT |
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14 Aug 2019 |
30 Jun 2019 |
028-16056 |
| 13F-NT |
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15 May 2019 |
31 Mar 2019 |
028-16056 |
| 13F-NT |
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14 Feb 2019 |
31 Dec 2018 |
028-16056 |
| SC 13G/A |
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14 Feb 2019 |
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| 13F-NT |
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14 Nov 2018 |
30 Sep 2018 |
028-16056 |
| SC 13D/A |
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30 Aug 2018 |
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| 4 |
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29 Aug 2018 |
28 Aug 2018 |
001-36557 |
| 13F-NT |
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14 Aug 2018 |
30 Jun 2018 |
028-16056 |
| 4 |
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01 Aug 2018 |
30 Jul 2018 |
001-38257 |
| SC 13D/A |
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31 May 2018 |
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| 13F-NT |
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15 May 2018 |
31 Mar 2018 |
028-16056 |
| 4 |
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OWNERSHIP DOCUMENT |
28 Mar 2018 |
26 Mar 2018 |
001-38257 |
| 4/A |
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BERKSHIRE/EYE |
28 Mar 2018 |
19 Mar 2018 |
001-38257 |
| 4 |
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OWNERSHIP DOCUMENT |
21 Mar 2018 |
19 Mar 2018 |
001-38257 |
| 13F-NT |
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14 Feb 2018 |
31 Dec 2017 |
028-16056 |
| SC 13G/A |
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14 Feb 2018 |
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| SC 13G |
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14 Feb 2018 |
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| 13F-NT |
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14 Nov 2017 |
30 Sep 2017 |
028-16056 |
| 3 |
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OWNERSHIP DOCUMENT |
25 Oct 2017 |
25 Oct 2017 |
001-38257 |
| 13F-NT |
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14 Aug 2017 |
30 Jun 2017 |
028-16056 |
| SC 13D |
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08 Aug 2017 |
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| 4 |
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BERKSHIRE/WMS |
07 Aug 2017 |
03 Aug 2017 |
001-36557 |
| 3 |
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BERKSHIRE/WMS |
07 Aug 2017 |
03 Aug 2017 |
001-36557 |
| SC 13D/A |
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16 May 2017 |
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| 13F-NT |
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15 May 2017 |
31 Mar 2017 |
028-16056 |
| SC 13G/A |
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15 Feb 2017 |
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| 13F-NT |
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14 Feb 2017 |
31 Dec 2016 |
028-16056 |
| 13F-NT |
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14 Nov 2016 |
30 Sep 2016 |
028-16056 |
| 13F-NT |
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15 Aug 2016 |
30 Jun 2016 |
028-16056 |
| SC 13D/A |
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08 Aug 2016 |
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| SC 13G |
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06 Jul 2016 |
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| 4 |
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BERKSHIRE/MFRM |
10 Jun 2016 |
31 May 2016 |
001-35354 |
| 4 |
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BERKSHIRE/MFRM |
10 Jun 2016 |
31 May 2016 |
001-35354 |
| SC 13D/A |
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03 Jun 2016 |
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| 13F-NT |
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16 May 2016 |
31 Mar 2016 |
028-16056 |
| 4 |
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BERKSHIRE / MFRM |
27 Apr 2016 |
25 Apr 2016 |
001-35354 |
| 4 |
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BERKSHIRE/MFRM |
27 Apr 2016 |
25 Apr 2016 |
001-35354 |
| 4 |
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BERKSHIRE/MFRM |
13 Apr 2016 |
11 Apr 2016 |
001-35354 |
| 4 |
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BERKSHIRE/MFRM |
13 Apr 2016 |
11 Apr 2016 |
001-35354 |
| SC 13D/A |
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08 Apr 2016 |
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|
| 4 |
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OWNERSHIP DOCUMENT |
07 Apr 2016 |
05 Apr 2016 |
001-35354 |
| 4 |
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OWNERSHIP DOCUMENT |
07 Apr 2016 |
05 Apr 2016 |
001-35354 |
| 4 |
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BERKSHIRE/MFRM |
04 Apr 2016 |
31 Mar 2016 |
001-35354 |
| 4 |
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BERKSHIRE/MFRM |
04 Apr 2016 |
31 Mar 2016 |
001-35354 |
| 4 |
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OWNERSHIP DOCUMENT |
30 Mar 2016 |
28 Mar 2016 |
001-35354 |
| 4 |
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OWNERSHIP DOCUMENT |
30 Mar 2016 |
28 Mar 2016 |
001-35354 |
| SC 13D/A |
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28 Mar 2016 |
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|
| 4 |
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BERKSHIRE/MFRM PART 2 |
24 Mar 2016 |
22 Mar 2016 |
001-35354 |
| 4 |
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BERKSHIRE/MFRM |
24 Mar 2016 |
22 Mar 2016 |
001-35354 |
| 13F-NT |
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16 Feb 2016 |
31 Dec 2015 |
028-16056 |
| 4 |
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FORM 4 SUBMISSION |
09 Feb 2016 |
05 Feb 2016 |
001-35354 |
| 4 |
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FORM 4 SUBMISSION |
09 Feb 2016 |
05 Feb 2016 |
001-35354 |
| 3 |
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FORM 3 SUBMISSION |
09 Feb 2016 |
05 Feb 2016 |
001-35354 |
| 3 |
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FORM 3 SUBMISSION |
09 Feb 2016 |
05 Feb 2016 |
001-35354 |
| SC 13D |
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SC 13D |
09 Feb 2016 |
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| 13F-NT |
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16 Nov 2015 |
30 Sep 2015 |
028-16056 |
| 13F-NT |
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14 Aug 2015 |
30 Jun 2015 |
028-16056 |
| 13F-NT |
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15 May 2015 |
31 Mar 2015 |
028-16056 |
| 13F-NT |
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17 Feb 2015 |
31 Dec 2014 |
028-16056 |
| 13F-NT |
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14 Nov 2014 |
30 Sep 2014 |
028-16056 |
| 13F-NT |
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14 Aug 2014 |
30 Jun 2014 |
028-16056 |
| 13F-NT |
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15 May 2014 |
31 Mar 2014 |
028-16056 |
| 13F-NT |
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14 Feb 2014 |
31 Dec 2013 |
028-16056 |